Indoor Sowing Guide
VEGETABLES & HERBS
* Can also be started indoors in late summer to fall or winter in mild climates. See packet for specific information.
14–16 Weeks Before Your Average Last Frost Date
Strawberry
10–12 Weeks Before Your Average Last Frost Date
Artichoke *
Celery
Eggplant
Onion (Bulb, Shallot)
Rosemary
8–10 Weeks Before Your Average Last Frost Date
Dill
Endive
Leek
Onion (Bunching)
Pepper *
Savory
Stevia
Wild Bergamot
6–8 Weeks Before Your Average Last Frost Date
Borage
Cabbage (Head) *
Catnip
Chives
Lemon Balm
Marjoram
Mint
Oregano
Parsley
Sage
Tarragon
Thyme
2–4 Weeks Before Your Average Last Frost Date
Bitter Melon
Broccoli Raab
Cucumber
Melon
Pumpkin
Spinach (New Zealand)
Squash (Summer, Winter)
Watermelon
4–6 Weeks Before Your Average Last Frost Date
Amaranth
Basil
Broccoli
Cabbage (Napa) *
Cauliflower *
Chamomile
Collards
Fennel
Ground Cherry
Kale *
Kohlrabi *
Lettuce
Okra
Potato
Shiso
Sorrel
Swiss Chard
Tomatillo
Tomato
Watercress
1–2 Weeks Before Your Average Last Frost Date
Quinoa
2–3 Months Before Your Average First Fall Frost Date
Cabbage (Head, Napa)
Celery
Kale
Kohlrabi
Onion (Short-day bulbs—Mild
climates only)
Potato (Mild climates only)
Radicchio
4 Months Before Your Average First Fall Frost Date
Brussels Sprouts *
Cauliflower *
Outdoor Sowing Guide
VEGETABLES & HERBS
* Can also be started indoors in late summer to fall or winter in mild climates. See packet for specific information.
8–12 Weeks Before Your Average Last Frost Date
Strawberry
6–8 Weeks Before Your Average Last Frost Date
Bean (Fava) *
Cover Crop (Fava Bean,
Soil Builder) *
4–6 Weeks Before Your Average Last Frost Date
Baby Greens (Pea Shoots, Spinach)
Broccoli *
Broccoli Raab *
Cabbage (Head) *
Chamomile
Chervil
Chives
Endive *
Kohlrabi *
Mâche *
Mustard *
Mustard Spinach *
Onion (Bulb—except in mild climates)
Onion (Bunching) *
Onion (Shallot)
Parsley
Pea *
Radish (Summer) *
Rutabaga *
Spinach (except New Zealand) *
2–4 Weeks Before Your Average Last Frost Date
Arugula *
Baby Greens (Swiss Chard, Arugula,
Lettuce Mesclun, Mustard, Kale,
Smoothie, Snappy, Superfoods)
Beet *
Bok Choy (Baby Choi, ‘Toy Choy’) *
Carrot *
Catnip
Collards *
Cover Crop (Crimson Clover) *
Leek *
Lettuce *
Swiss Chard *
Turnip *
Watercress
Wild Bergamot *
1–2 Weeks Before Your Average Last Frost Date
Borage *
Broccoli (Romanesco) *
Cauliflower *
Celery (Mild climates only) *
Chinese Broccoli | Kailaan *
Cilantro *
Dill
Kale *
Marjoram
Sorrel *
1–2 Weeks After Your Average Last Frost Date
Amaranth
Basil
Bean
Bitter Melon
Bok Choy (Tatsoi) *
Cabbage (Napa) *
Corn
Cucumber
Edamame
Fennel *
Lemon Balm
Mint
Melon
Okra
Quinoa *
Rosemary
Sage
Savory
Shiso
Spinach (New Zealand)
Squash (Summer, Winter)
Tarragon
Thyme
Tomato (Mild climates only)
Watermelon
2–4 Weeks After Your Average Last Frost Date
Cover Crop (Common Buckwheat)
Eggplant
Ground Cherry
Oregano
Pepper (Mild climates only)
Pumpkin
Tomatillo
3–4 Months Before Your Average First Fall Frost Date
Brussels Sprouts *
Cauliflower *
Celery
Collards
Endive
Kale
Parsnip *
Pea *
Rutabaga *
1–2 Months Before Your Average First Fall Frost Date
Cover Crop (Crimson Clover, Soil Builder, Fava Bean, Hairy Vetch)
Radicchio
Radish (Winter) *
Late Summer – Early Fall
Artichoke (Mild climates only)
Chinese Broccoli | Kailaan
Onion (Short-day bulbs—Mild
climates only)
Sorrel
Wild Bergamot