Sow now › USDA zone 3 › March
What to sow in March
in USDA zone 3
14 crops can go in this month. Typical last frost zone 3: about 15 May. First autumn frost about 15 September. This is the March page; jump to this month.
Sow in March
Ready to pick in March
Coming up in April
Acorn Squash (Pumpkin), Apple, Apricot, Arugula, Asian Pear, Asparagus, Blackberry, Blueberry (Northern Highbush), Blueberry (Rabbiteye), Bok Choy, Broccoli, Bulb Onion, Butternut Squash (Pumpkin), Cabbage, Cauliflower, Cherry (Sour), Cherry (Sweet), Chives, Cilantro, Cranberry, Elderberry, Fava Bean, Fig, Giant Pumpkin (Squash), Gooseberry, Grape (Table), Grape (Wine), Hubbard Squash (Pumpkin), Jack-O'-Lantern Pumpkin (Squash), Kale, Kiwi (Fuzzy), Kiwi (Hardy Kiwiberry), Kohlrabi, Leek, Mulberry, Mustard Greens, Nectarine, Ornamental Pumpkin (Squash), Parsley, Pawpaw, Pea, Peach, Pear, Pie Pumpkin (Squash), Plum (European), Plum (Japanese), Pomegranate, Quince, Radish, Raspberry (Red), Raspberry (Yellow/Gold), Rhubarb, Scallion, Shallot, Spinach, Strawberry, Summer Squash (Pumpkin). See the April page.
Your ZIP code
Type your ZIP and you'll get the page for your zone, with the typical frost dates.
Questions people ask
What can I sow in March in USDA zone 3?
14 crops go in this month in USDA zone 3: Beefsteak Tomato, Cherry Tomato, Early Season Tomato, Heat Tolerant Tomato, Heirloom Tomato, Hot Chilli, Main Season Tomato, Medium Chilli and more.
When is the last frost in USDA zone 3?
Typically around 15 May, with the first autumn frost about 15 September. Treat those as averages and watch the forecast; a cold spring can push them back a fortnight.
What's ready to harvest in March in USDA zone 3?
Cherry Tomato, Early Season Tomato, Patio Tomato.
Plan the plot, track every sowing, cook the harvest
Sowing reminders and harvest forecasts for your own frost dates, the Seed Tin, Scan Centre for any label or packet, and the Potty Mouth Garden Club. Free to start.
Allotment keeper in the North East of England, the voice behind the Tony C Smith YouTube channel, and the gardener who built GrowMore CookMore. Club numbers on this page update as members log their plots. Last updated 4 September 2026.