This material is adapted from these web pages and books:

See also this beautiful planting chart from the laboratoire sur l’agriculture urbaine de l’UQAM.

Some additions and changes have been made to the material gleaned from the above sources. You can click on a column header to sort the information according to the information in that column.

Vegetables Indoor seeding Outdoor seeding Outdoor transplanting Days to maturity Harvest Companion plants Comments Anne's experience
Amaranth
Amaranthus cruentus "Opopeo"
Feb - Mar early May mid-May 60-65 Leaves and seeds edible
Andrographis
Andrographis paniculata
Apr May Nordic cold remedy. No germination when sown indoors 2013.
Artichoke
Cynara cardunculus
February late March (cold frame) Sunflower, tarragon At 6 weeks, expose to cold for 4-6 weeks, but avoid frost. No luck yet getting edible buds.
Asparagus
Asparagus officinalis "Jersey Supreme"
mid-March late April Basil, calendula, parsley, tomato Perennial.
Basil
Ocimum basilicum "Sweet Genovese"
late March to early April mid-May late June to September tomato Likes warmth and sunshine. Pinch flower buds to keep plant bushy. Easy and delicious; freezes very well. Make sure it gets light.
Basil, Holy
Ocimum tenuiflorum (Green)
late March to early April mid-May Grew well enough, but not that useful to us.
Beans (asparagus)
Vigna unguiculata "Red Pod"
late April late May 75 Carrot, corn, pea, radish Tolerates hot weather.
Beans (Borlotto)
Phaseolus vulgaris
late May to mid-July 50 mid-July to last September Eggplant, Swiss chard, beet, carrot, celery, celeriac, cabbage, cucumber, corn, pea, potato, radish, tomato Shell bean Good.
Beans (Kidney)
Phaseolus vulgaris "Dark Red Kidney"
late May to mid-July 50 mid-July to last September Eggplant, Swiss chard, beet, carrot, celery, celeriac, cabbage, cucumber, corn, pea, potato, radish, tomato Shell bean. Also collected seeds OK
Beans (pole)
Phaseolus vulgaris "Blue Lake"
late May to late June 60 Late July to late September Carrot, corn, pea, radish Support with bamboo, wires, netting or trellis. Can be eaten fresh or as shell beans. Very good, several harvests
Beans (pole)
Phaseolus vulgaris "Kentucky Wonder"
late May to late June 60 Late July to late September Carrot, corn, pea, radish Support with bamboo, wires, netting or trellis. Can be eaten fresh or as shell beans. Can't remember
Beets
Beta vulgaris "Harrier hybrid"
early April mid-April 50 mid-July to September Garlic, cabbage-rave, cabbage, bean, lettuce, corn, onion, leek, radish If sowing outdoors, repeat every 2 weeks until last frost. Thin clusters. Fantastic taste, good production. Do several plantings.
Blueberry
Vaccinium (several species)
Need more than one for pollination Not good, needs more sun
Borage
Borago officinalis
early May
Broccoli
Brassica oleraceae
mid-April May 40 July Celery, onion, potato After the harvest, keep the plants for a secondary crop. Hasn't grown large at all.
Brussels sprouts
Brassica oleracea gemmifera
mid-April mid to late May 100 August Garlic, Swiss chard, beet, carrot, celery, cucumber, spinach, bean, lettuce, onion, potato Gradually remove leaves to favour growth of the head. Pinch plant extremities, at the end of August. Pea sized!
Cabbage
Brassica oleracea capitata "Stonehead"
mid-April May 50 July to September Garlic, Swiss chard, beet, carrot, celery, cucumber, spinach, bean, lettuce, onion, potato Slug food! Try copper blocker.
Calendula (Pot Marigold)
Calendula officinalis
mid-Apr mid-May mid-May Originally Suttons "Porcupine" (orange) and Richter's (yellow), now mixed. "Porcupine" was beautiful and tough (2013). Try side deck box.
Cardoon
Cynara cardunculus "Large Smooth"
mid-March mid-May Sep - Oct Needs lots of sun. Prone to aphids; spray with detergent. Dramatic at end of season
Carrots
Daucus carota "Amsterdam"
mid-May 60 mid-July to September Cabbage, bean, lettuce, onion, pepper, leek, pea, radish, salsify, tomato Seed every 15 days from beginning of May until June 15. Good.
Carrots
Daucus carota "Mini Bonbon"
mid-May 60 mid-July to September Cabbage, bean, lettuce, onion, pepper, leek, pea, radish, salsify, tomato Seed every 15 days from beginning of May until June 15. Can't remember, probably unremarkable.
Carrots
Daucus carota "Nantes 2 Mars"
mid-May 60 mid-July to September Cabbage, bean, lettuce, onion, pepper, leek, pea, radish, salsify, tomato Seed every 15 days from beginning of May until June 15. Unremarkable.
Carrots
Daucus carota "Purple Haze" (F1)
April (as soon as soil can be worked) 60-65 mid-July to September Cabbage, bean, lettuce, onion, pepper, leek, pea, radish, salsify, tomato Seed every 15 days from beginning of May until June 15.
Carrots
Daucus carota "Samurai"
mid-May 60 mid-July to September Cabbage, bean, lettuce, onion, pepper, leek, pea, radish, salsify, tomato Seed every 15 days from beginning of May until June 15.
Cauliflower
Brassica oleracea botrytis
mid-April late May 70 September Garlic, Swiss chard, beet, carrot, celery, cucumber, spinach, bean, lettuce, onion, potato When the heart reaches 7 cm in diameter, lift and bind upper leaves to whiten. Never tried.
Celeriac
Apium graveolens rapaceum
mid-March mid- to late May 110 September or later (after light frost) Bean, lettuce, leek During winter, take one indoors in damp sand, sunny location, fore fresh stalks. Okay.
Celery
Apium graveolens "Tango"
mid-March mid- to late May 80 August Garlic, broccoli, cabbage, cucumber, bean, lettuce, onion, leek, tomato Shore the foot to blanch, two weeks before harvesting. Will continue to grow in pot in root cellar if kept watered.
Chamomile (German)
Matricaria recutita "Bodegold"
Apr mid-May May Do not disturb roots. No significant harvest 2013; retry.
Chinese cabbage (Bok choy)
Brassica rapa chinensis
early April late June to early July for Fall crop early June 100 October Garlic, Swiss chard, beet, carrot, celery, cucumber, spinach, bean, lettuce, onion, potato Sensitive to transplanting; do not damage roots. Never tried.
Chives
Allium schoenoprasum
March mid-May early May May to September Carrot, tomato Should be perennial if given good spot. Could be attractive edging. Need to try again.
Coriander, aka Cilantro
Coriandrum sativum
mid-May to August For leaves, harvest plant at 8 inches. For seeds, wait. Easy and prolific; many "volunteers". Freezes very well.
Coriander, aka Cilantro
Coriandrum sativum "Santo"
mid-May to August For leaves, harvest plant at 8 inches. For seeds, wait.
Corn
Zea mays "Kernel Sweet"
mid-May 78 Late August to September Beet, cucumber, pumpkin, bean, melon, pea, potato Seed at least two rows to favor pollination. Poor germination, no production. Possibly attacked by cutworm
Cosmos/Kenikir
Cosmos sulphureus
late April late May late May Indonesian favourite with a strong, pungent scent and flavour. Young shoots are eaten raw, mixed with coconut, or cooked with other greens. Bright yellow flowers. Height 75cm/30in.
Cranberry
Vaccinium (several sp.)
Cucamelon
Cucamelon
mid April mid May 9-12 weeks Grape-sized watermelons that taste like cuke+lime. Bring in root for winter. Pretty and entertaining, but not interesting to eat (2013).
Cucumber
Cucumis sativus
early May late May early June 60 late July to late August Celery, kohlrabi, cabbage, bean, lettuce, corn, onion, pea, radish, tomato Outdoor seeding works fine Lebanese okay. "lemon" very good climber. Regular (my seeds) very good and productive.
Dill
Anethum graveolens
early April to July Poor companion to many plants Seed every 3-4 weeks. Attracts beneficial insects; interplant freely in the garden except near carrots. Popular with slugs. Freezes very well.
Echinacea
Echinacea purpurea
Would be nice to have more colours. Tough and easy. Can be divided.
Eggplant
Solanum melongena
late March early June 70 August Bean, sweet pepper, pea, potato Leave 4 to 5 fruits per plant.
Pick when the skin is shiny.
No luck.
Egyptian (walking) onion
Allium × proliferum
Use leaves, starting early spring Bulbs too fibrous for eating, hard to peel. Extremely tough plant, propagates well.
Fiddleheads (Ostrich fern)
Matteuccia struthiopteris
xxxxxxxx Harvest only a small number of heads Only tiny amount harvested so far.
Garlic (Fall-planted)
Allium sativum
October August to September Beet, celery, cabbage, lettuce, potato, tomato Cool the soil with interplantings of beets or lettuce. Works.
Horseradish
Ammoracia rusticana
September to October. Perennial, grown from root cuttings. Packs a real punch! Plant very vigorous, does well even in moderate shade.
Jerusalem artichokes
Helianthus tuberosus
Late August to October. Grown from tubers; said to be very invasive. Should be decorative. Did not do well in flower box near stairs. Did okay with horseradhish.
Kale
Brassica oleracea acephala "Rainbow Lacinato"
early April late May to June 60 June to October Bush bean, beet, celery, cucumber, lettuce, onion, potato Tolerates frost. Easy and prolific. Eaten by bugs, but grows fast enough to keep ahead of them! Freezes very well. Seeds have short life.
Kale
Brassica oleracea acephala "Walking Stick" (Jersey Cabbage)
early April late May to June 180 June to October Bush bean, beet, celery, cucumber, lettuce, onion, potato Tolerates frost. Didn't get very tall, but produced well (2013).
Kohlrabi
mid-April and mid-June 50 July Beet, cucumber, onion Prefers cool weather; plant early or late. Seeds are expensive and plant is finicky.
Leeks
Allium porrum "Large Musselburg"
Feb - March Apr - June early May 90 August Beet, carrot, celery, celeriac, spinach, onion Shore up regularly. Never tried.
Lemon Balm
Melissa officinalis
Tough and productive, very good in tea.
Lemon Verbena
Aloysia triphylla
Fantastic in tea. Good.
Lettuce (Head)
Lactuca sativa "???"
mid-April May, August late May 65 May to September Garlic, beet, brocoli, carrot, celery, celeriac, cabbage, cucumber, spinach, onion, radish
Lettuce (Head)
Lactuca sativa "Buttercrunch"
mid-April May, August late May 65 May to September Garlic, beet, brocoli, carrot, celery, celeriac, cabbage, cucumber, spinach, onion, radish Bolt easily
Lettuce (Head)
Lactuca sativa "Buttercrunch"
mid-April May, August late May 65 May to September Garlic, beet, brocoli, carrot, celery, celeriac, cabbage, cucumber, spinach, onion, radish
Lettuce (Head)
Lactuca sativa "Iceberg"
mid-April May, August late May 65 May to September Garlic, beet, brocoli, carrot, celery, celeriac, cabbage, cucumber, spinach, onion, radish Poor. No germination.
Lettuce (Head)
Lactuca sativa "Ithaca" (Iceberg type)
mid-April May, August late May 65 May to September Garlic, beet, brocoli, carrot, celery, celeriac, cabbage, cucumber, spinach, onion, radish Bolt easily
Lettuce (Miner's), aka Clayonia
early April to late May and late August May to September May be growable in winter in cold frame. Prefers cool weather. Blossoms are edible as well as leaves Never tried.
Lettuce (red leaf)
Lactuca sativa var. crispa
mid-April May, August late May 55 May to September Garlic, beet, brocoli, carrot, celery, celeriac, cabbage, cucumber, spinach, onion, radish
Mâche (Corn Salad / Lamb's Lettuce)
Valerianella locusta "Verte à coeur plein"
Jul - Oct
Marigold
Tagetes patula
mid March May May tomatoes To keep insects off tomatoes, and make nice border. Excellent: tough and easy.
Marjoram
Marjorana hortensis
mid-April mid-May mid-May Cabbage, broccoli, Brussels sprouts No frost tolerance. Can be taken indoors for winter. Freezes very well.
Mint (Mojito)
Mentha x villosa
bring indoors for winter Nice; see how it overwintered.
Mint (Peppermint, Spearmint)
Mentha x piperita, Mentha spicata
also commercial seeds (Mr. Fothergill's)
Nasturtium (climbing)
Nasturtium
April Nice ground cover with sunflowers. Good.
Onions
Allium cepa
early March early May 100 August Swiss chard, beet, brocoli, carrot, celery, kohlrabi, cabbage, cucumber, lettuce, pepper, leek, tomato Flatten stalks to the ground at the end of August. Some success now that soil has improved. Need lots of sun.
Oregano
Origanum vulgare
early March early May mid-May May to September Can have two harvests by shearing at 2 inches in early July. Very hardy perennial; slightly invasive. Freezes very well.
Parsley (Double Curled)
Petroselinum crispum crispum
early March early May early May July to September Asparagus, corn, pepper, tomato Refrigerate or freeze seeds overnight to spped germination. Can be brought indoors for winter. Can be hard to germinate, but when it works, it really works.
Parsnip
Pastinaca sativa "Albion"
April (as soon as soil can be worked) 110-120 September to October radish Can be left in the ground all winter for a spring harvest.
Peas
Pisum sativum "Miragreen"
mid-April 68 late July to late August Eggplant, carrot, cucumber, pumpkin, spinach, bean, corn, turnip (summer), pepper, potato, radish Seed every 15 days from the start of May until June 15. Support with a chicken wire, net or trellis.
Pepper (Hot)
Capsicum annuum "Anaheim"
late March early June 60 mid-July to August Eggplant, carrot, onion, pea, tomato Green peppers are immature sweet peppers.
Pepper (Hot)
Capsicum annuum "Cayenne"
late March early June 60 mid-July to August Eggplant, carrot, onion, pea, tomato Green peppers are immature sweet peppers.
Pepper (Hot)
Capsicum annuum "Tabasco"
late March early June 60 mid-July to August Eggplant, carrot, onion, pea, tomato Green peppers are immature sweet peppers. Easy, good production.
Pepper (Paprika)
Capsicum annuum "Black Hungarian"
late March early June 60 mid-July to August Eggplant, carrot, onion, pea, tomato Green peppers are immature sweet peppers.
Pepper (Sweet)
Capsicum annuum "Cal Wonder"
late March early June 75 mid-July to August Eggplant, carrot, onion, pea, tomato Originally Richter's. Collected seeds failed to germinate at all (2014).
Potatoes
mid-May 100 August Garlic, eggplant, cabbage, bean, corn, pea Hoe and shore up regularly. Pick when leaves are dry. Never tried.
Potatoes, Sweet
Ipomea batatas
early April (start slips) late May 100 to 140 September Grow from slips. Are the decorative ones edible?
Pumpkin
Cucurbita pepo "Howden"
early May mid-May early June 115 September to October Lettuce, corn, pea, radish Place 3 seeds per seed hole. Keep 2 to 4 fruits per plant. A garden gorilla for sure. Only 2 fruit in 2013. Climbs the sunflowers and pulls them down.
Radishes
Raphanus sativus "Violet de Gournay"
May to June 30? June to July Beet, carrot, pumpkin, cucumber, spinach, bean, lettuce, parsnip, pea Seed early in spring or at the end of summer, otherwise it risks bolting to seed. Young: too strong and firbous. Old: huge!!! Can use shredded and pickled.
Radishes (Daikon)
Raphanus sativus var. longipinnatus "April Cross"
April (as soon as soil can be worked), May, then August 55 Beet, carrot, pumpkin, cucumber, spinach, bean, lettuce, parsnip, pea Prefers cool weather.
Raspberries
Rubus Idaeobatus "Boyne"
Fruits on second year canes; remove old canes after fruiting Excellent.
Red onions
Allium cepa
April (as soon as soil can be worked) 100 August Swiss chard, beet, brocoli, carrot, celery, kohlrabi, cabbage, cucumber, lettuce, pepper, leek, tomato Flatten stalks to the ground at the end of August.
Rosemary
Rosmarinus officinalis "Rex"
bring indoors for winter Very nice; see how it survived winter
Rutabaga
Brassica napobrassica
mid-May 90 mid-August Pea Pick when roots are 6 to 10 cm in diameter. Never tried
Sage
Salvia officinalis
mid March May Perennial, decorative. Prefers cool weather; shade lightly in hot weather. Edging for under cedars?
Scallions (bunching onions)
Allium "Parade"
April (as soon as soil can be worked) 70 July
Soybeans (Edamame)
Glycine max
May Not bad.
Spinach
Spinacea oleracea "Amazon" (F1)
April - May, then August 4-6 weeks July Cabbage, lettuce, leek, radish Seed early in spring or at the end of summer, otherwise it risks bolting to seed. Excellent experience with late (mid-Aug) sowing and harvest. Needs cool weather.
Spinach
Spinacea oleracea "Bloomsdale Longstanding"
April - May, then August 42 July Cabbage, lettuce, leek, radish Seed early in spring or at the end of summer, otherwise it risks bolting to seed. Never tried
Spinach
Spinacea oleracea "Lazio"
April - May, then August 50 July Cabbage, lettuce, leek, radish Seed early in spring or at the end of summer, otherwise it risks bolting to seed. Don't remember
Stevia
Stevia rebaudiana
bring indoors for winter
Strawberries
Fragaria × ananassa
June
Sunflower
Helianthus "American Giant"
early April late April 90 Originally Henry Field's. Very tall, quite strong, big and yellow.
Sunflower
Helianthus "Kong"
early April early May 90
Swiss chard
Beta vulgaris subsp. cicla "Bright Yellow"
mid-April mid-May mid-May 57 July Cabbage, bean, onion Continuous crop on the plants. Pretty but we won't eat it.
Thyme (English)
Thymus vulgaris
May
Tomato
Solanum lycopersicum "Black Cherry"
late March to mid-April late May 70 mid-August Garlic, carrot, celery, cucumber, bean, onion, pepper, radish
Tomato
Solanum lycopersicum "Black Plum"
late March to mid-April late May 70 mid-August Garlic, carrot, celery, cucumber, bean, onion, pepper, radish Are these the ones susceptible to blossom end rot? Very good.
Tomato
Solanum lycopersicum "Pineapple"
late March to mid-April late May 75-95 mid-August Garlic, carrot, celery, cucumber, bean, onion, pepper, radish
Tomato
Solanum lycopersicum "San Marzano"
late March to mid-April late May 70 mid-August Garlic, carrot, celery, cucumber, bean, onion, pepper, radish Paste tomato Not bad
Tomato
Solanum lycopersicum "Watermelon Beefsteak"
late March to mid-April late May 75-95 mid-August Garlic, carrot, celery, cucumber, bean, onion, pepper, radish
Tomato
Solanum lycopersicum (large yellow)
late March to mid-April late May 70 mid-August Garlic, carrot, celery, cucumber, bean, onion, pepper, radish seeds collected from farmer-purchased tomato Little production
Tomato
Solanum lycopersicum (small yellow)
late March to mid-April late May 70 mid-August Garlic, carrot, celery, cucumber, bean, onion, pepper, radish Seeds collected for several generations Excellent and prolific
Turmeric
Curcuma longa
Needs heat (20-30°C) and water; harvest annually and propagate from rhizomes
Turnips (summer)
Brassica rapa
mid-May 50 July Pea Okay.
Watermelon
Citrullus vulgaris
mid- to late May early June Never tried.
Zucchini
Cucurbita pepo "Golden Dawn III" Hybrid
mid-May, July 47 Pick at 7-8 inches