Growing Vegetables in Wisconsin: Growing Vegetables in Wisconsin Karen Delahaut
Fresh Market Vegetable
Outreach Specialist
And
Others
Vegetable Gardens: Vegetable Gardens Garden to meet your needs
Garden to help others
Garden for fresher produce
Garden for organic produce
Garden for specialty crops
Garden for the pure joy
Number #1 hobby activity
Flowers to Fruit: Flowers to Fruit = + Female Male Pumpkin +
Flowers to Fruit: Flowers to Fruit = + Female Male Kernels of Corn
Flowers to Fruit: Flowers to Fruit = + eggplant bean tomato tomatillo pepper some vegetables prefer privacy
Asparagus Facts: Asparagus Facts Family: Liliaceae
Type: Perennial
Native: Europe and Western Asia
America: Introduced in 1600s
Folk Medicinal Use: Jaundice
Nutritional Value:
5 spears = 25 calories
Vitamin A 10% Vitamin C 15% Calcium 2% Iron 2%
Fat 0g Sodium 0mg Carbohydrates 4g Protein 2g
Asparagus Culture: Asparagus Culture
Trench 6 - 8 inches
Use Compost
Cover as spears elongate
Harvest 2nd year
Fertilize after harvest
Rhubarb (Home Garden Perennial): Rhubarb (Home Garden Perennial) Rhubarb (Home Garden Perennial)
Cool season
Perennial vegetable
Grown for leafstalks
Leafstalk is edible
Leaves contain oxalic acid (should not be eaten)
Contain Vit. C
Rhubarb Cultivars and Care: Rhubarb Cultivars and Care MacDonald
Valentine
Victoria
Canada Red
Chipman
Crimson Red
Ruby
Sunrise
Cherry Red Well drained soil
Raised bed
Deep bed preparation
Full sun
Set crown 1 inch deep
Do not harvest first year
Heavy feeder, spring application of compost or ½ cup of 5-10-10
Tomatoes Lycopersicon esculentum: Tomatoes Lycopersicon esculentum Family Solanaceae
Native to the Andes of South America
Introduced to Europe in 1500s
Believed to be poisonous until 1700s
Tomatine in green tissue
Tender, warm season annual
Slide11: 2nd most popular vegetable behind potatoes
Salsa is the most popular condiment, surpassing ketchup.
Red, pink, yellow, orange, white, purple
Determinate vs. Indeterminate: Determinate vs. Indeterminate Determinate
3 to 4 ft tall
Plant ends in flower bud
Indeterminate
7 to 15 ft tall
Plant “never ends”, remains vegetative
Forms flowers in leaf axils
Cherry and pear tomatoes
1 plant can produce 10-50 lb fruit/season
Cultivar Selection: Cultivar Selection Cherry & Pear
(L. cerasiforme-cherry & pyriforme-pear)
Smaller (½” dia.), sweeter tomatoes
Produce about 100 fruit/plant
Sweet 100
Yellow Pear
Sweet Million
Roma
Paste or processing tomatoes
Roma VF
Viva Italia
Amish Paste Beefsteak
Larger tomatoes for fresh slicing
Higher ratio of cell wall to pulp & short, soft core
Big Boy
Better Boy
Early Girl
Heirloom
Older, open pollinated varieties
Brandywine
Black Krim
Hungarian Heart
Tomato Culture: Tomato Culture Self fertile, wind-pollinated flowers.
Starts seeds indoors 4-6 weeks before last frost
Plant transplants 18-24 inches apart in rows 3-4 feet apart
Night temperature critical: 60 - 70ºF
Temps < 50 will cause blossom abortion,poor fruit set & cat-facing
Staking or Trellising: Staking or Trellising
Harvesting Tomatoes: Harvesting Tomatoes Ripe, well-formed, blemish free
Heirloom & beefsteak tomatoes will be irregular in shape
Never refrigerate tomatoes – won’t fully develop flavor after harvest
Ripen unripe fruit in a paper bag out of direct sunlight
Freeze, dehydrate, or can to preserve the summer flavor
Peppers Capsicum annuum, C. frutescens - Tabasco: Peppers Capsicum annuum, C. frutescens - Tabasco Family Solanaceae
Originated in Central America
Came to United States in 1700s
Black & white pepper used as seasoning is Piper nigrum.
Tender, herbaceous perennials grown as annuals.
Lance-shaped leaves & perfect, white flowers.
Cultivar Selection-Hot: Cultivar Selection-Hot Anaheim = 500-2,500
(mild, chile rellenos)
Ancho/Poblano = 1,000-1,500
(mild, roasted, stuffed, mole)
Cayenne = 30,000-50,000
(medium hot, Cajun & Indian food)
Habaňero = 150,000-300,000
(hottest of all, salsas & hot sauces)
Jalapeno = 2,500-5,000
(medium hot, salsas & salads)
Pequin = 50,000-100,000
Serrano = 10,000-20,000
(fiercely hot, roasted for salsa)
Thai = 30,000-100,000
(fiercely hot, Asian stir fry)
Cultivar Selection - Sweet: Cultivar Selection - Sweet Sweet
Bell
Early Crisp
Gypsy
Lady Bell
Purple Beauty
Banana
Banana Supreme
Bananarama
Cherry
Cherry Pick
Cubanelle
Key Largo
Hungarian
Pimiento
Antohi Romanian
Round of Hungary
Red Ruffled Pimiento
Tabasco
Pepper Culture: Pepper Culture Start seed indoors 6-8 weeks before the last frost
Harden off transplants before setting out.
Plant 18-24 inches apart in the row.
Warm season
Grow best 70-80°F day & 65-70°F night.
Blossom abortion, poor fruit set, shortened fruit, lack of color.
Capsanthin – chemical that causes peppers to ripen
<56°F inhibit capsanthin production.
Moist soil - mulch is beneficial.
Harvesting Peppers: Harvesting Peppers Harvest immature or mature.
Chili or cayenne peppers can be dried.
Avoid harvesting peppers with sunken brown spots.
Store fresh peppers in the vegetable crisper section of the refrigerator.
Eggplant Solanum melogena: Eggplant Solanum melogena A.K.A. Aubergine
Family Solanaceae
Tender, warm-season perennial grown as an annual
Native to India & China – ancient Asian vegetable
America: Introduced early as ornamental
Cultivar Selection: Cultivar Selection Fruit may be oval, oblong, or round.
Color ranges from purple-black, to green, pink, white, red or yellow.
Asian
Ichiban
Orient Express
American (oval)
Black Beauty
Purple Rain
Eggplant Culture: Eggplant Culture Indeterminate, erect bush
Flowers borne singly or in clusters in leaf axils
Start seed indoors 10-12 weeks before last frost
Very susceptible to chilling
75-85°F day & 65-75°F night
Best if planted on black plastic mulch
Harvesting Eggplant: Harvesting Eggplant Harvest eggplant approximately 25-40 days after pollination.
Fruit should be glossy and deeply colored and feel heavy for its size.
Mature fruit will have a dull skin and flesh will be bitter.
No such thing as male and female fruit!
Fruit with oval dimples on the blossom end will have fewer seeds and are less meaty but this is not related to gender.
Clip fruit from the plant to avoid damage
Beans Phaseolus vulgaris & P. linensis: Beans Phaseolus vulgaris & P. linensis Family Fabaceae (Leguminoseae)
Native to Central America.
Warm season, herbaceous annual.
Cultivar Selection: Cultivar Selection Bush
Erect plant, usually short season
Blue Lake
Bush Romano
Royal Burgundy (purple)
Goldmine (wax)
Lima
Climbing or bush forms.
Heat tolerant
Pole
Twining type of bean, usually matures later but harvest time is longer
Kentucky Blue
Kentucky Wonder Wax
Scarlet Runner
Bean Culture: Bean Culture Plant beans after the last expected frost in warm soil, 50ºF.
Soak seed for an hour before planting to enhance germination.
May need inoculum in new gardens.
Plant seed 1 to 2 inches deep.
Well-drained soils.
Replant mid-summer for fall crop.
Little or no nitrogen fertilizer required.
Pole beans will require staking or some form of support.
Harvesting Beans: Harvesting Beans Harvest beans 14-18 days after full bloom.
Should be sweet, tender and uniform size.
Store in the refrigerator under high humidity.
Peas Pisum sativum: Peas Pisum sativum Family Fabaceae (Leguminoseae)
Native to middle Asia
Field peas are native to Africa.
Cool season, herbaceous annual.
Classified by growth habit, pod appearance, seed color, and starch/sugar content.
Cultivar Selection: Cultivar Selection Snap or Edible Pod – eaten when immature
Sugar Snap
Super Sugar Snap
Field Peas
Black-eyed
Clay – grow well in clay soils
Crowder – “crowd” the peas in the pod
Iron – rusty red
Pink-eyed – pink central ring
White Acre
Zipper – unzip themselves from pod Garden Peas
Early Frosty
Maestro
Wando
Garden Sweet
Spring
Snow Peas – eaten when half mature
Mammoth Melting Sugar
Oregon Sugar Pod II
Snowbird
Pea Culture: Pea Culture Plant as early as April 15th in southern WI.
Preparing the planting site the previous fall will prevent planting delays.
Sandy, well-drained soils are best.
Soak seeds for 1 hour prior to planting to speed germination.
Space 1-2 inches apart in the row.
Support with a trellis or twine.
Harvesting Peas: Harvesting Peas Harvest peas 3 weeks after full bloom.
Plump enough to shell garden peas easily.
Don’t allow to get over ripe.
Store at 35-40°F under high humidity.
Cabbage Brassica oleracea var. capitata, tuba, & sabauda: Cabbage Brassica oleracea var. capitata, tuba, & sabauda Family Brassicaceae
(Cruciferae)
Native to Europe & Asia.
Hardy, cool season herbaceous biennial
First to evolve from wild broccoli.
Heads may be pointed, conical, oblong, round, or flattened.
Leaves may be smooth or savoy; green, red, or purple.
Alaskan-grown kraut cabbage heads may be 60lbs each!
Isothiocyanates give cole crops their distinct flavor.
Cultivar Selection: Cultivar Selection Cultivars based on color and type
Savoy Express (savoy)
Ruby Perfection (red)
Earliana (early green)
Salad Delight (red)
Cabbage Culture: Cabbage Culture Start seeds indoors 6-8 weeks before the last frost.
Slowly acclimate transplants before setting outside permanently.
Sow seed directly for fall crops 10-12 weeks before killing frost.
Harvesting Cabbage: Harvesting Cabbage Harvest when heads are firm and before heads split.
Cut with a sharp knife just above the root crown.
Don’t wash prior to storage.
Store in refrigerator with or without a plastic bag.
Broccoli Brassica oleracea var italica: Broccoli Brassica oleracea var italica Family Brassicaceae (Cruciferae)
Native to Europe & Asia.
Hardy, cool season, herbaceous annual.
E1st crop to evolve from wild cabbage.
Head comprised of functional flower buds.
Sprouting & heading varieties.
Cultivar Selection: Cultivar Selection Calabrese or Italian Green
Packman
Green Goliath
Purple Sprouting Romanesco forms spiral-shaped heads
Minaret
Broccoli Culture: Broccoli Culture Start seeds indoors 6-8 weeks before the last frost.
Slowly acclimate transplants before setting outside permanently.
Sow seed directly for fall crops 10-12 weeks before killing frost.
Temperatures below 40°F will cause chilling injury.
Harvesting Broccoli: Harvesting Broccoli Harvest when heads are firm and florets haven’t begun to open.
Retain 2-4 inches of stem when cutting.
Cut sprouting broccoli just below the floret to stimulate new shoots.
Cool immediately after harvest.
Don’t wash prior to refrigeration.
Cauliflower Brassica oleracea var. botrytis: Cauliflower Brassica oleracea var. botrytis Family Brassicaceae (Cruciferae)
Native to Europe & Asia
Hardy, cool season herbaceous biennial.
Evolved from sprouting broccoli.
Winter and late-season types have curds consisting of functional flower buds.
Purple cauliflower is a type of broccoli.
Cultivar Selection: Cultivar Selection Snowball types most common
Snow Queen
Early White
First White
Snow Crown
Specialty
Violet Queen (purple)
Cheddar (orange)
Panther (green)
Cauliflower Culture: Cauliflower Culture Start seeds indoors 6-8 weeks before the last frost.
Needs a long, cool growing season.
Sow seed directly for fall crops 10-12 weeks before killing frost. Prolonged temperatures below 50°F will induce bolting.
Hot summer temps will cause poor curd quality.
Tie cauliflower leaves together to blanch the curds.
Heads develop in 3-14 days after tying depending on the temperature so check every other day.
Cauliflower Problems: Cauliflower Problems Browning of the curds is caused by boron deficiency or unavailability in high pH soils.
Ricing is when curds become velvety and is caused by high nitrogen and temperatures that result in rapid head formation.
Blindness is when no curd is formed due to poor fertility, insect damage, disease, heredity, or cold.
Stressed plants may form small, “button” heads.
Harvesting Cauliflower: Harvesting Cauliflower Harvest when curds are compact and surrounded by leaves.
Retain enough wrapper leaves to hold heads intact.
Wrap in a damp cloth and refrigerate immediately.
Kohlrabi Culture: Kohlrabi Culture Brassicacea family
Cool season
Frost tolerant
Plant early or late
Harvest when young and tender
Other Cole Crops: Other Cole Crops Brussels sprouts—
B. oleracae var. gemmifera
Kale—wavy leaves, more cold tolerant
Collards—smooth leaves
B. oleracea var. gongyloides
Chinese Cabbage—
B. oleracea var. pekinensis
Bok Choy
Collards and Kale: Collards and Kale
Carrots Daucus carota var. sativus: Carrots Daucus carota var. sativus Family Apiaceae (Umbelliferae)
Originated in Afghanistan & possibly northern Iran & Pakistan.
Introduced in America in the 1700s.
Biennial, grown as an annual.
White, purple, yellow, orange, and red varieties.
Carrot Facts: Carrot Facts
Type: Biennial
Native: Europe and Western Asia
America: Introduced in 1700s
Folk Medicinal Use: seeds - birth control
Nutritional Value:
7 inches = 35 calories
Vitamin A 270% Vitamin C 10% Calcium 2% Iron 0%
Fat 0g Sodium 40mg Carbohydrates 8g Protein 1g
Carrot Pigments: Carrot Pigments
Cultivar Selection: Cultivar Selection Danvers
Medium to long with broad shoulders and sharp taper
Orange tinged with green
Processed into baby food
Imperator
More slender and slightly longer than Danvers type
Deep orange cortex with lighter core
Fresh Market Nantes
Short, cylindrical with no taper, and a blunt, rounded base
Bright orange
Primary home garden carrot
Chantenay
Medium to short with a slight taper and blunt end
Grown for storage or processing
Medium to light orange
Carrot Culture: Carrot Culture Sow ¼ inch deep in loose soil free of debris & rocks.
Thin to 1-3 inches apart in the row.
Well-drained soil.
Replant mid-summer for extra sweet fall carrots.
Will produce a flower stalk if exposed to temps of 50°F for 6-8 weeks particularly under long days.
Harvesting Carrots: Harvesting Carrots Harvest when they are sweet and before they become woody
Carrots with large shoulders are often woody
Wash well before storing in a plastic bag in the refrigerator
Radishes Raphanus sativus: Radishes Raphanus sativus Family Brassicaceae
Native to China.
Leaves deeply pinnate arising from a basal rosette. Edible.
Roots can be round, oval, cylindrical, or icicle-shaped.
Bolt under long day conditions.
Insect pollinated.
Cultivar Selection: Cultivar Selection Bred for taste, bolt resistance, disease resistance, & appearance.
Cultivars are based on season grown:
Spring-type
Cherry Belle
Early Scarlet Globe
Summer
French Breakfast
Snow Belle (white)
White Icicle (white)
Red Meat
Winter (var. longipinnatus)
April Cross
Round Black Spanish
Daikons
Chinese White
China Rose
Radish Culture: Radish Culture Plant before the last frost in spring and sow every 10-14 days to extend the harvest.
Plant 1 inch apart in the row with rows 1 foot apart for spring radishes and 2 inches apart in the row for winter radishes.
Raised beds will promote rapid development of spring radishes
Consider interplanting spring radishes with other, later maturing crops.
Harvesting Radishes: Harvesting Radishes Spring radishes are harvested 20-25 days after seeding when <¾ inch diameter.
Winter radishes are harvested 50-60 days after planting.
Beets Beta vulgaris: Beets Beta vulgaris Family Chenopodiaceae (goosefoot family).
Grown for their roots and edible greens.
Native to western Europe & north Africa.
Selected from ancient European species.
Originally fed to livestock - mangels.
Biennial grown as an annual.
Contain betacyanin and betaxanthin.
High in carbohydrates.
Cultivar Selection: Cultivar Selection Based on color, shape & use:
Red, yellow, purple, white, striped.
Top-shaped, globe-shaped, flattened, elongated.
Slicing, bunching, storage.
Big Red
Burpee Golden
Chioggia (striped)
Cylindra
Detroit Dark Red
Detroit Supreme
Lutz
Ruby Queen (bunching type)
Beet Culture: Beet Culture Temperatures of 55-70°F produce rapid growth and good flavor.
Zoning comes from temperature fluctuations.
Space seed 2-4 inches apart in double rows with rows 15-30 inches apart.
Sow every 2-3 weeks apart to extend the season.
Harvesting Beets: Harvesting Beets Harvest when beets are round and tender. Old, large roots can be fibrous.
50-60 days after planting.
May store for up to 6 months in the refrigerator.
Garlic Allium sativum: Garlic Allium sativum Family Alliaceae
Native to Middle Asia.
1st cultivated 5,000 years ago.
Introduced to America in the 1700s.
Herbaceous, cool-season, perennial.
Comprised of multiple cloves.
Only hardneck varieties produce flowers.
Cultivar Selection: Cultivar Selection Hardneck –
Rocambole
Killarney Red
Spanish Roja
Purple Stripe
Chesnok Red
Siberian
Porcelain
Music
Northern White Softneck –
Artichoke
California White
Inchelium Red
Silverskin
Silver Rose
Silver White
Elephant garlic is not a garlic but a form of leek!
Garlic Culture: Garlic Culture Plant cloves in early fall – 6 weeks before the ground freezes
Larger cloves produce larger bulbs
Well-drained soil
Mulch with straw after the ground freezes
Remove the flower stalk of hardneck garlic when it forms a circle
Harvesting Garlic: Harvesting Garlic Harvest garlic when 2/3 of the tops turn brown - 9 months after planting.
Cure for 30 days in a warm, dry place.
Hardneck garlic will last for 3-6 months.
Softneck garlic lasts for 6-9 months.
Onions Allium cepa: Onions Allium cepa Family Alliaceae
Native to Southern Asia
Introduced to America in the 1400s
Herbaceous biennial grown as an annual.
Bulb is comprised of fleshy basal leaves.
Contains glucose, fructose, & sucrose – no starch
Cultivar Selection: Cultivar Selection Green onions (A. cepa) immature true onions harvested before bulbs form.
Scallions or bunching onions (A. cepa) never form a bulb.
Multiplier onions form 4-5 bulbs enclosed in a single leaf sheath.
Shallots (A. cepa) develop a small cluster of bulbs and are more subtle in flavor.
Pearl onions (A. ampeloprasum) form only one storage leaf.
Cipollini onions are small, sweet, early onions.
Onion Culture: Onion Culture Plant seeds, sets, or transplants.
Sets may flower if summer is cool.
Transplant once frost is out of the ground – about 4 weeks before the last spring frost.
Do not allow the soil to dry out.
Weeds can be a problem in onions and garlic.
Harvesting Onions: Harvesting Onions Harvest green onions when the tops are > 6” and ½-1” in diameter.
Harvest bulb onions when 50-75% of the tops fall over.
Cure bulb onions at 85-90°F for 10 days
Store at 35-40F for 3-4 months.
Leeks Allium ampeloprasum var. porrum: Leeks Allium ampeloprasum var. porrum Family Alliaceae
Native to the Mediterranean.
Herbaceous, cool-season biennial grown as an annual.
Non-bulbing unless daylength exceeds 19 hours.
Milder flavor than onions.
Cultivar Selection: Cultivar Selection Bred for size and shape of the stalk, hardiness, disease resistance, and early maturity
American Flag
Giant Musselburg
King Richard
Otina
Pancho
Leek Culture: Leek Culture Plant leek seed indoors around Feb. 15.
Transplant in mid-April or 4 weeks before the last frost date.
Plant in holes 5-6 inches deep and fill in holes to blanch.
Long season: require 120-150 days to harvest.
Harvesting Leeks: Harvesting Leeks Harvest when1 ¼ -3 inches thick.
May mulch heavily and harvest into winter.
Trim roots, green leaves and wash before storing in the refrigerator for up to 2 months.
Melon Cucumis melo & Citrullus lanatus: Melon Cucumis melo & Citrullus lanatus Family Cucurbitaceae
Native to Africa
Introduced to America in 1400s.
Warm season, herbaceous annual.
May be determinate or indeterminate.
Melon leaves are oval to kidney-shaped with 5-7 lobes.
Melons can only cross-pollinate with members of the same species.
Watermelon leaves are heart-shaped with 3-7 lobes.
Plants are monoecious & can be self or cross pollinated.
Sex in the Garden: Sex in the Garden Cucurbit flowers may be perfect (have male and female parts) or imperfect (have only one or the other).
Male flowers produced early in the season (daylength >14 hrs.)
Female flowers begin to show up along with the males around the summer solstice
And male flowers predominate in August until frost
Genetics, day length, and temperature determine what gender of flowers are produced
Cultivar Selection: Cultivar Selection Muskmelon – Reticulatus group
Magnifisweet
Athena
Super Sun
Sweet & Early
Honeydew –
Inodorus group
Super Dew
Early Crisp
Venus Watermelon
Yellow Doll
Crimson Sweet
Bush Sugar Baby
Moon & Stars
Melon Culture: Melon Culture Require 90-125 days to produce a crop.
Seed at ½ to 1 inch depth, 5 ft centers.
Don’t transplant well.
Chilling sensitive.
Require warm, sunny weather to produce sweet fruit.
Moist, well-drained soil.
Best grown on plastic mulch.
Bees essential for good fruit set.
Only allow 1-2 fruits to develop per plant.
Harvesting Melons: Harvesting Melons Harvest muskmelons at full-slip.
Cool immediately to prevent deterioration.
Observe the “ground patch” on watermelon to determine when to harvest – it will become white to creamy yellow.
Wipe watermelon clean with a damp cloth and store in a cool location.
Cucumber Cucumis sativus: Cucumber Cucumis sativus Family Cucurbitaceae
Native to India
Warm season, herbaceous annual.
May be determinate or indeterminate.
Leaves and stems are spiny.
Leaves are triangular with rounded lobes with the middle lobe longer.
Self-pollinated.
Cucurbitacin is what causes people to have difficulty digesting cucumbers. Gynoecious – all female. Need ≥ 1 male plant to pollinate.
Parthenocarpic – self-fertile & doesn’t require pollination.
Requires isolation from other fruit to avoid pollination to provide seedless fruit.
Cultivar Selection: Cultivar Selection Slicing (long and tapered with smooth, glossy green skin and few spines)
Marketmore
Orient Express
Sweet Success
Tasty Green
Spacemaster Pickling (blunt, angular, warty, light green, spiny)
Homemade Pickles
Pickalot
Gherkin (small, oval, prickly)
Cucumber Culture: Cucumber Culture Plant seeds 1-1½ inches deep and 8-12 inches apart
Require soil temperatures of 60°F
Don’t transplant well
Trellis on strong wire mesh to save space
Harvesting Cucumbers: Harvesting Cucumbers Harvest slicing cucumbers when they are 6-8 inches long (typically 12 days after pollination).
Oversized (yellow) fruit left on the plant will prevent subsequent fruit from developing & will have large seeds.
Wipe clean with a damp cloth and store uncut in the refrigerator.
Summer Squash Cucurbita pepo: Summer Squash Cucurbita pepo Family Cucurbitaceae
Native to the Americas
Warm season, frost tender, herbaceous annual.
May be determinate or indeterminate.
Leaves are 3-lobed or entire.
Plants are monoecious.
Thin-skinned, eaten when immature.
Blossoms are edible.
Cultivar Selection: Cultivar Selection Zucchini
Aristocrat
Spineless Beauty
Roly Poly
Straightneck
Butterstick
Gold Bar
Sunray
Saffron Crookneck
Horn of Plenty
Pic-n-Pic
Early Golden Crookneck
Scallop or Patty Pan
Scallopini
Butter Scallop
Peter Pan
Winter Squash Cucurbita maxima, pepo, moschata: Winter Squash Cucurbita maxima, pepo, moschata Family Cucurbitaceae
Native to Americas
Warm season, herbaceous annual.
May be determinate or indeterminate.
Leaves are 3-lobed or entire.
Plants are monoecious.
Can cross pollinate with other cultivars of the same species.
Hard rinds make them good for storage.
Cultivar Selection: Cultivar Selection Acorn (C. pepo)
Green or gold & deeply ribbed.
Cream of the Crop
Ebony Sweet Acorn
Table Ace
Table Queen
Buttercup (C. maxima)
Medium-dark green splotched with grey.
Autumn Cup
Butternut (C. moschata)
Orange flesh, tan skin, bulbous base.
Autumn Glow
Early Butternut
Waltham Delicata (C. pepo)
Cornell’s Bush Delicata
Hubbard (C. maxima)
Medium, blue-gray with bumpy skin.
Blue Hubbard
Kabocha (C. maxima)
Ambercup
Sweet Mama
Spaghetti (C. maxima)
Oval with golden yellow skin.
Pasta Hybrid
Vegetable Spaghetti
Turk’s Turban (C. maxima)
Green, turban-shaped, striped with red, white, & orange.
Squash Culture: Squash Culture Seed early and plant 1 inch deep 4 feet apart.
Moist soil
Warm season 65-75°F.
Mulch. Reflective mulch may repel insects.
Bees essential.
Bush-type or vining plants.
Shallow roots – irrigate.
Harvesting Squash: Harvesting Squash Harvest the first summer squash 7-8 weeks after seeding when fruit are 2-3 inches in diameter and 7 inches long.
Handle summer squash gently as it bruises easily.
Refrigerate for up to 1 week.
Winter squash is harvested 3-4 months after planting.
Harvest winter squash before a hard frost.
Outer skin of winter squash should resist fingernail pressure.
Cure winter squash by exposing them to 80°F temps for 7-10 days.
Store at 40-45°F for up to 2-3 months.
Cucurbit Taxonomy: Cucurbit Taxonomy Cucurbita pepo
Acorn
Delicata
Jack-o-lantern
Pie pumpkins
Patty pan squash
Small gourds
Summer squash
Zucchini Cucurbita maxima
Banana
Buttercup
Hubbard
Kabocha
Large gourds
Turk’s turban
Huge pumpkins
Cucurbita moschata
ButterNUT
Pumpkins Cucurbita pepo (Jack-O-Lantern & pie), maxima (giants): Pumpkins Cucurbita pepo (Jack-O-Lantern & pie), maxima (giants) Family Cucurbitaceae
Native to Americas
Warm season, frost-tender, herbaceous annual.
May be determinate or indeterminate.
Leaves are 3-lobed and may be deeply indented.
Plants are monoecious.
Can cross pollinate with other cultivars of the same species.
Mammoth pumpkins are related to Hubbard squash and are pinkish-orange in color.
Cultivar Selection: Cultivar Selection Based on
Shape
Size
Color
Flesh quality (pie)
Pumpkin Cultivars: Pumpkin Cultivars Miniature
Baby Bear
Baby Boo
Jack-Be-Little
Munchkin
Spooktacular
Small
Mystic Plus
New England Pie
Schooltime
Touch of Autumn Medium
Autumn Gold
Casper
Gold Standard
Ghostrider
Lunina
Magic Lantern
Rouge Vif d’Etampes
Small Sugar
Spirit
Trick or Treat
Large
Atlantic Giant
Connecticut Field
Howden
Prizewinner
Pumpkin Culture: Pumpkin Culture Don’t plant before May 20 in southern WI and up to 2 weeks later in the north.
Plant 1-1 ½inches deep 3-5 feet apart in the row with rows 4-6 feet apart .
Moist soil.
Warm season 65-75°F.
Mulch.
Bees essential.
Shallow roots – irrigate.
Hand pollinate giant pumpkins so they set fruit early.
Only allow 2 fruit per plant to develop.
Harvesting Pumpkins: Harvesting Pumpkins Harvest 3-4 months after planting.
Outer skin should resist fingernail pressure.
Leave a 3” handle.
Cure by exposing them to temps of 80°F for 7-10 days.
Store at 40-45°F for up to 2-3 months.
Lettuce Lactuca sativa: Lettuce Lactuca sativa Family Asteraceae
Native to the Mediterranean Basin
Herbaceous annual
Cool season, long day plant
Cultivar Selection: Cultivar Selection Crisphead
(var. capitata)
Large, heavy, brittle
Latest to mature
Ithaca
Summertime
Butterhead (Bibb) (var. capitata)
Small, loosely filled head with creamy interior.
Boston is day neutral
Bibb is short-day
Batavia is intermediate between crisphead & bibb
Buttercrunch
Esmeralda
Four Seasons
Cultivar Selection: Cultivar Selection Looseleaf (var. crispa)
Easiest to grow & 1st to mature
Salad Bowl
Green Ice
Prizehead
Simpson Elite
Royal Oakleaf
Romaine (Cos) (var. longifolia)
Torpedo-shaped heads
Matures later than butterhead and leaf varieties
Cimmaron
Giant Caesar
Parris Island Cos
Athena
Rouge d’ Hiver
Lettuce Culture: Lettuce Culture Seed at ¼ inch depth or use transplants.
Cool season – temps above 70° with long days cause lettuce to bolt.
Moist, well-drained soil—shallow rooted and drought susceptible.
Bitterness comes from high temperatures & mature plants.
Harvest in ~50 days
Harvesting Lettuce: Harvesting Lettuce Harvest individual leaves or bunches of leaves by cutting them with a sharp knife or shears.
Harvest lettuce heads by cutting them with a sharp knife below the lowest leaf and remove any damaged leaves.
Harvest Romaine lettuce when heads are smaller to avoid bitterness.
Place in a perforated plastic bag and refrigerate immediately.
Don’t wash until just prior to use.
Spinach Spinacia oleracea: Spinach Spinacia oleracea Family Chenopodiaceae (goosefoot family)
Native to Iran
Spina means “spiny” in Latin to describe prickly seed.
Hardy, cool-season annual.
High in vitamins A & C, calcium, iron, & potassium.
Spinach Cultivars: Spinach Cultivars Based on leaf texture
Savoy
Avon
Bloomsdale Long-Standing
Melody
Smooth
Baby Leaf
Giant Nobel
New Zealand
Olympia
Space
Tyee
Viroflay
Whale
Spinach Culture: Spinach Culture Temps of 55-65°F.
Spring and fall crop.
Can sow seeds late in fall for fall & spring crop.
Direct seed in rows or broadcast.
¾ apart in rows 2-4 inches wide
Plant ½-¾ inches deep
Slow to emerge – up to 3 weeks
Clip to thin to 1 inch apart
Harvesting Spinach: Harvesting Spinach 35-50 days after planting.
5-7 leaves per plant.
Remove outer leaves first.
Continued harvest until seed stalk forms.
Store at 32°F.
Potato (Solanum tuberosum): Potato (Solanum tuberosum)
Potato Facts: Potato Facts Family: Solanaceae
Type: Tuberous perennial
Native: America
Folk Medicinal Use: pimples and burns
Nutritional Value:
1 medium = 100 calories
Vitamin A 0% Vitamin C 45% Calcium 2% Iron 8%
Fat 0g Sodium 0mg Carbohydrates 26g Protein 4g
Potato Culture: Potato Culture
Plant certified seed tubers or pieces
Cool season
Well-drained soil
Low pH
Skin set occurs after vines die
Sweet Corn (Zea mays): Sweet Corn (Zea mays)
Sweet Corn Facts: Sweet Corn Facts Family: Poaceae
Type: Annual grass
Native: Central America <3500 B.C.
America: 63 varieties by 1900
Nutritional Value:
1 ear = 80 calories
Vitamin A 2% Vitamin C 10% Calcium 0% Iron 2%
Fat 1g Sodium 0mg Carbohydrates 18g Protein 3g
Sweet Corn Culture: Sweet Corn Culture Seed
Warm season
Soil 70 - 85ºF
Planting pattern critical for proper pollination - “think square”
4 rows minimum
Edible Weeds: Edible Weeds Chicory
Cichorum intybus
Burdock
Arctium lappa
Purslane
Portulaca oleracea
Lamb’s Quarters
Chenopodium album
Dandelion Facts: Dandelion Facts Family: Asteraceae
Type: Perennial
Native: probably Europe
Folk Medicinal Use: fever and as diuretic
Nutritional Value:
High in Vitamin A, Vitamin C, Calcium and other minerals
Yellow petals can be used for food coloring
Year Round Gardening: Year Round Gardening Know Your Last Frost Date in Spring
Warm the soil - plastic
Mulch after soil is warm
Cloches
Greenhouses
Cool Season Crops
Know Your First Frost Date in Fall
Plant fall garden in August
Windowsills and artificial lights
Season Extenders
Greenhouse like structures
Plastic row covers
Harvest Facts: Harvest Facts Depends on taste and timeliness
Fruit Vegetables: immature and mature
Leaf and Stem Vegetables : slightly immature is preferable
Floral Vegetables: Hand harvest when head size is right
Roots, Tubers and Bulb Vegetables: various stages of development
N is for Nutrition: N is for Nutrition
Vitamin C
Vitamin A - Carotenes
Vitamin E
Vitamin B6
Minerals
Fiber Terpenes
Carotenoids
Phytosterols
Phenols
Isoflavones
Thiols
Glucosinolates
Allylic sulfides
Indoles
N is for Nutrition: N is for Nutrition Vitamin C
Vitamin A - Carotenes
Vitamin E
Vitamin B6
Minerals
Fiber Terpenes
Carotenoids
Phytosterols
Phenols
Isoflavones
Thiols
Glucosinolates
Allylic sulfides
Indoles
Quality: Quality Appearance
size and shape
color
gloss
blemishes
Texture
Flavor
Nutritive Value
Safety
Veggie References: Veggie References Vegetable Crops
by Dennis Decoteau
Manual of Minor Vegetables
by James M. Stephens
Vegetable Gardening in the Midwest
by C.E. Voigt and J.S. Vandemark
Extension Bulletin A8IL1331