What to plant in March — zone 7b
Zone 7b averages its last spring frost around April 5 and its first fall frost around November 5. Everything below is timed from those two dates, so it stays useful whether you're planting for summer or for a fall harvest.
Garden care
- Wake the bedsaround Mar 1
Turn in compost, cut down cover crops, and let the soil warm two weeks before the first sowing.
- Harden off early transplantsaround Mar 8
Two weeks of increasing outdoor time keeps cold-hardy seedlings from stalling when they go out.
Direct sow
- Peaaround Mar 1
Soil is ready -5 weeks before last frost.
- Lettucearound Mar 8
Soil is ready -4 weeks before last frost.
- Spinacharound Mar 8
Soil is ready -4 weeks before last frost.
- Radisharound Mar 8
Soil is ready -4 weeks before last frost.
- Carrotaround Mar 15
Soil is ready -3 weeks before last frost.
- Kalearound Mar 15
Soil is ready -3 weeks before last frost.
- Beetaround Mar 15
Soil is ready -3 weeks before last frost.
- Onionaround Mar 15
Soil is ready -3 weeks before last frost.
- Broccoliaround Mar 15
Soil is ready -3 weeks before last frost.
- Chivesaround Mar 15
Soil is ready -3 weeks before last frost.
- Potatoaround Mar 22
Soil is ready -2 weeks before last frost.
- Cilantroaround Mar 22
Soil is ready -2 weeks before last frost.
- Parsleyaround Mar 22
Soil is ready -2 weeks before last frost.
Start indoors
- Lettucearound Mar 8
4 weeks of indoor growth before your last frost (04-05). Succession sow every 2 weeks. Harvest outer leaves for a cut-and-come-again supply.
- Cucumberaround Mar 15
3 weeks of indoor growth before your last frost (04-05). Trellis vertically to double yield in the same footprint and cut mildew.
- Zucchiniaround Mar 15
3 weeks of indoor growth before your last frost (04-05). One plant feeds a family. Pick at 6-8 in for the sweetest fruit.
- Winter squasharound Mar 15
3 weeks of indoor growth before your last frost (04-05). Cure 10 days in a warm dry spot after harvest — the skin toughens and storage doubles.
- Watermelonaround Mar 15
3 weeks of indoor growth before your last frost (04-05). Ripe = tendril nearest the fruit is brown and the ground spot has turned buttery yellow.
- Cantaloupe / Melonaround Mar 15
3 weeks of indoor growth before your last frost (04-05). Ripe fruit slips off the vine with a gentle tug — the smell alone tells you.
Transplant out
- Kalearound Mar 15
Goes out 3 weeks before last frost — it takes the cold.
- Broccoliaround Mar 15
Goes out 3 weeks before last frost — it takes the cold.
- Chivesaround Mar 15
Goes out 3 weeks before last frost — it takes the cold.
- Strawberryaround Mar 15
Goes out 3 weeks before last frost — it takes the cold.
- Lettucearound Mar 22
Goes out 2 weeks before last frost — it takes the cold.
- Onionaround Mar 22
Goes out 2 weeks before last frost — it takes the cold.
- Strawberryaround Mar 22
Goes out 2 weeks before last frost — it takes the cold.
- Parsleyaround Mar 22
Goes out 2 weeks before last frost — it takes the cold.
- Mintaround Mar 22
Goes out 2 weeks before last frost — it takes the cold.
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