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Seed Exchange

Information on Seed Exchange for Durham College/Ontario Tech users.

Growing details

Variety/ Crop For Eating Height Spread Sun Plant Depth Spacing Days to Maturity Notes
Growing specifics for edibles
Basil - Sweet Leaves 12-18" 10-14" Full Sun Spring 1/4" 5" 60-90
  • Start  indoors 4 wks before last frost
Bean - Burgundy Fruit 18" 12" Full Sun Spring 1" 12" 60
  • Use inoculant if desired
Bean - Kentucky Wonder Pole Fruit 108" 12" Full Sun Early Spring 1" 3" 70
  • Use inoculant if desired
  • Requires support
Bean - Mascotte Bush Fruit 20" 24" Full Sun Spring 2" 3" 50-55
  • Use inoculant if desired
Bean - Provider Bush Fruit 18" 10" Full Sun Spring 1" 6" 50-60
  • Use inoculant if desired
Bean - Purple Podded Pole Fruit 72" 18" Full Sun Spring 1" 3" 68
  • Use inoculant if desired
  • Young beans are the most tender
  • Requires support
Bean - Red Noodle Pole Fruit 120" 18" Full Sun Spring 1" 3" 85
  • Use inoculant if desired
  • Requires support
Bean - Scarlet Runner Pole Fruit 72-108" 18" Full Sun Spring 1" 3" 70-115
  • Use inoculant if desired
  • Requires support
Bean - Kents' Edamame Fruit 36" 12" Full Sun Spring 1" 6" 90
  • Use inoculant if desired
  • Requires support
Beet - Chioggia Leaves/ Root 8-10" 12 Full Sun Early Spring 1/2" 3" 54
  • Keep well watered
Beet - Early Wonder Tall Top Leaves/ Root 10-12" 5-8" Full Sun Early Spring 1/2" 3" 47
  • Keep well watered
Beet - Rainbow Leaves/  Root 8-24" 4-6" Full Sun Early Spring 1/2" 3" 45-55
  • Keep well watered
Borage (Starflower) Flower 18" 12-24" Full Sun / Part Sun Spring 1/4" 12" 50-80
  • Keep moist until germination
Carrot - Lunar White Root 12-24" 4" Full Sun Spring 1/8" 2-5" 75
  • Likes sandy soil
  • Keep soil moist until germination occurs, can cover area with burlap or a board to assist
Celery - Red Stalk Stem 12" 6" Full Sun Spring 1/2" 8" 90-130
  • Plant in a trench, fill in slowly as plants grow
  • Requires frequent watering
Chard - Fordhook Giant

Leaves

12-16" 8" Full Sun Spring / Summer 1/4" 6" 60
  • Thin to 12" spacing
Cilantro Leaves 12-18" 12" Full Sun Spring 1/4" 12" 50-55
  • Requires high drainage
Collard Leaves 24-36" 12" Full Sun Early Spring 1/2" 6" 60-65
  • Start ASAP after danger of frost is over
  • Keep moist during growing season
Cucumber - English Telegraph Fruit 6-8" 36-48" Full Sun Spring 1/2" 3 seeds/hill 65
  • Soil must be warm for germination
  • Hills 2 ft apart
  • Try growing vertically on a trellis
Cucumber - Marketmore Fruit 6-8" 36-48" Full Sun Spring 1/2" 4-6 seeds/hill 65
  • Soil must be warm for germination
  • Hills 2 ft apart
  • Try growing vertically on a trellis
Cucumber - Salad bush Fruit 6-8" 26" Full Sun Spring 1/2" 4/6 seeds/hill 57
  • Soil must be warm for germination
  • Hills 2 ft apart
  • Try growing vertically on a trellis
Cucumber - Sweet Armenian Fruit 6-8" 48" Full Sun Spring 1/2" 3 seeds/hill 70
  • Soil must be warm for germination
  • Hills 2 ft apart
  • Try growing vertically on a trellis
Dandelion - Italian Leaves 12-18" 12-18" Full Sun Early Spring 1/4" 6" 92
  • Best eaten young
Dill Leaves / Seeds 18-24" 8-12" Full Sun Spring 1/4" 12" 40-60
  • Water at base of plant to prevent rot
Eggplant - Asian Mix Fruit 18-24" 18-24" Full Sun Early Spring Indoors 1/4" 18" 65
  • Transplant outdoors late spring, early summer
Ground Cherry - Goldie Fruit 24" 36" Full Sun Early Spring Indoors 1/4" 18" 75
  • Start indoors 6 wks before last frost
  • Keep moist until emergence
  • Ripe when husk is papery
Kohlrabi - Purple Vienna Root 12-18" 12" Full Sun Spring 1/4" 4" 55
  • Keep moist during growing season
Leafy Green - Darkness Lettuce Leaves 3" 3" Full Sun / Partial Sun Early Spring 1/8" 4" 30
  • Sow every 3 weeks for continuous harvest
  • Rake seeds through soil, too deep, and they won't germinate
Leafy Green - Deer Tongue Lettuce Leaves 6-10" 6-10" Full Sun/ Partial Shade Early Spring 1/4" 4" 65
  • Sow every 3 weeks for continuous harvest
  • Rake seeds through soil, too deep, and they won't germinate
Leafy Green - Mache Leaves 3" 3" Full Sun / Partial Sun Early Spring 1/4" 2" 50
  • Prolific self-seeder
  • Will bolt as soon as summer hits
Leafy Green - Mizuna Leaves 14-16" 12" Full Sun Early Spring 1/2" 12" 30-45
  • Sow every 14 days for continuous harvest
Leafy Green - New Zealand Spinach Leaves 10-12" 12"

Full Sun/ Partial Sun

Spring Indoors 3/4" 12" 70
  • Soak seed to improve germination
  • Needs lots of heat to germinate
  • Not true spinach so wil not bolt
Leafy Green - Orach Leaves 2" 2" Full Sun Spring / Summer 1/4" 4" 35
  • Touted as spinach alternative
Leafy Green - Persian Cress Leaves 2" 2" Full Sun

Early Spring

1/4" 2" 21
  • Microgreen
Leafy Green - Sorrel (Buckler Leaf) Leaves 12-16" 12-16" Full Sun / Part Sun Spring 1/4" 3" 60
  • Lemony perennial
  • The larger it gets the tougher the leaves
Leafy Green - Waldmann's Dark Green Lettuce Leaves 6" 6" Full Sun / Part Sun Early Spring 1/4" 6-10" 28
  • Likes the cold, will bolt or enter thermal dormancy if too hot
Melon - Muskmelon Fruit 15-18" 36-72" Full Sun Spring 1/2" 4-6 seeds/hill 80
  • Soil must be warm for germination
  • Hills 2 ft apart
  • Try growing vertically on a trellis
Melon - Crimson Sweet Watermelon Fruit 15-24" 6-8ft Full Sun Spring 1/2" 4ft 80-85
  • Soil must be warm for germination (can start indoors)
  • Fruit is around 25lbs
Melon - Golden Midget Watermelon Fruit 12-18" 4-6ft Full Sun Spring 1/2" 4ft 70
  • Soil must be warm for germination (can start indoors)
  • Try growing vertically on a trellis (melons may need support)
Okra - Clemson Spineless Fruit 36-48" 36-48" Full Sun

Late Spring

1" 12-24" 55
  • Requires warm soil for germination
  • Soak seeds to accelerate germination
  • Sow in hills of 3, thin to strongest plant
  • Harvest when pods are 2-3" long
Onion - Tokyo Long White All 14-16" 4" Full Sun February Indoors 1/4" 2" 65  
Onion - Welsh All 12-18" 12" Part Sun Spring 1/4" 8-12" 60-70
  • Bunching perennial habit
Parsley - Giant Italian Leaves 36" 24" Full Sun / Part Sun Spring 1/4" 6" 60-90
  • Pinch back flower stalks to increase leaf production
Pea - Blauwschokkers Blue Podded Fruit 6ft 12" Full Sun Early Spring 1" 3-6" 60
  • Flowers also edible
  • Needs trellising or something to climb
Pea - Tom Thumb Dwarf Shelling Fruit 8" 14" Full Sun Early Spring 1" 8-12" 50-55
  • Rare bush pea
Pepper - Chinese 5 Colour Fruit 12-24" 12-24" Full Sun Early Spring 1/4" 12-18" 70
  • Start indoors 8-10wks before last frost
  • Bottom heat will improve germination
  • 50 000 SHU
Pepper - Chocolate Beauty Fruit 20" 18" Full Sun Early Spring Indoors 1/4" 12-18" 74
  • Start indoors 8-10wks before last frost
  • Plant out when soil has warmed
Pepper - Sweet  Jimmy Nardello Fruit 20-24" 20-24" Full Sun Early Spring Indoors 1/4" 12-18" 80-90
  • Start indoors 8-10wks before last frost
  • Plant out when soil has warmed
Pepper - Sweet Red Fruit 20-24" 20-24" Full Sun Early Spring Indoors 1/4" 12-18" 45-70
  • Start indoors 8-10wks before last frost
  • Plant out when soil has warmed
Radish - Cherrybelle Root 5" 3" Full Sun Early Spring 1/2" 2" 20-20
  • Seed pods also edible
Radish - Cincinnati Long Scarlet Root 12" 6" Full Sun Early Spring 1/2" 2" 30
  • Quick crop, can be planted up until summer's end
Radish - French Breakfast Root 4-12" 3" Full Sun Early Spring 1/2" 2" 23
  • Can also grow as microgreens
Romanesco Cauliflower Stem 24-36" 12" Full Sun Early Spring Indoors 1/2" 8" 75-100  
Snow Peas - Golden Sweet Fruit 60-72" 8-12" Full Sun Early Spring 1" 2" 60-70
  • Use inoculant if desired
  • Must be trellised or staked
Spinach Leaves 10-12" 4" Full Sun / Part Sun Early Spring 1/2" 6" 35-40
  • Can also grow as microgreens
Squash - Acorn Fruit 10-12" 4-5ft Full Sun Spring 1" 36" 80
  • Requires warm soil to germinate (can start indoors)
Squash - Climbing Summer Fruit 10" 8ft Full Sun Spring 1" 36" 50-55
  • Requires warm soil to germinate (can start indoors)
  • Can grow vertically on trellis
Squash - Honey Nut Winter (Mini Butternut) Fruit 18" 6ft Full Sun Spring 1/2" 3 seeds/ hill 110
  • Soil must be warm for germination (can start indoors)
  • Hills 2 ft apart
  • Try growing vertically on a trellis
Squash - Hubbard Fruit 48-60" 10-12" Full Sun Spring 1" 36" 115
  • Benefits from pollinator attractant
  • Can be grown vertically, fruit may need to be supported
Sunflower - Mexican Torch N/A 48" 36" Full Sun Spring 1/4" 6" 90
  • Pollinator attractant
Tomatillo - 2 Colour Fiesta Fruit 36-48" 36-48" Full Sun Early Spring Indoors 1/4" 18" 100
  • Start indoors 6 wks before last frost
  • Keep moist until emergence
  • Ripe when husk is papery, may split
Tomato - Beefsteak Fruit 48-60" 36-48" Full Sun Early Spring Indoors 1/4" 18" 80
  • Start indoors 7 wks before last frost
  • Keep moist until emergence
  • When transplanting outdoors, plant deep
  • Needs caging
Tomato - Bogus Fructa Bush Fruit 24" 24" Full Sun Early Spring Indoors 1/4" 15" 65
  • Start indoors 4-5 wks before last frost
  • Keep moist until emergence
  • When transplanting outdoors, plant deep
Tomato - Czech Bush Fruit 24" 24" Full Sun Early Spring Indoors 1/4" 15" 52
  • Start indoors 4-5 wks before last frost
  • Keep moist until emergence
  • When transplanting outdoors, plant deep
  • Needs caging
Tomato - Siberian Red Fruit 48-60" 36-48" Full Sun Early Spring Indoors 1/4" 18" 70
  • Start indoors 7 wks before last frost
  • Keep moist until emergence
  • When transplanting outdoors, plant deep
  • Needs caging
Tomato - Valencia Fruit 48" 36-48" Full Sun Early Spring Indoors 1/4" 18" 90
  • Start indoors 7 wks before last frost
  • Keep moist until emergence
  • When transplanting outdoors, plant deep
  • Needs caging
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