March in Zone 7
March in Zone 7: active cool-season planting. Last frost typically late March to mid-April.
Quick answer · Updated July 2026
In March, Zone 7 gardeners can plant Cucumbers, Squash, Melons, Beets, Carrots, Swiss chard, Radishes, and Broccoli. Zone 7's last frost is around Late March – mid April and first frost around Mid October – mid November — the full task list below has exact timing for each crop.
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- Min Winter Temp
- 0 to 10 °F / -18 to -12 °C
- Last Spring Frost
- Late March – mid April
- First Fall Frost
- Mid October – mid November
- Growing Season
- 200–225 days
- Annual Rainfall
- 30–60 in
Gardening in March in Zone 7
In Zone 7, March sits just ahead of the average last frost (Late March – mid April). This is the critical indoor seed-starting window: warm-season crops need these weeks under lights to be transplant-ready the moment the soil warms.
The planting focus in Zone 7 this month is Beets, Carrots, Swiss chard, Radishes, Broccoli, and Cabbage — see the task cards below for exactly how and when to sow each in your conditions.
About March in the garden
March is the month of transition. Cold-zone gardeners begin direct sowing the hardiest crops; warm-zone gardeners are in full spring planting mode. Spring equinox brings equal day and night, and soil temperatures begin to rise significantly.
Direct sowing peas, spinach, and lettuce in cold zones; transplanting tomatoes and peppers in Zone 9–10; pruning and dividing perennials; preparing beds.
- Season
- spring
- Temperature trend
- Rapidly warming in most regions; significant week-to-week temperature changes.
- Daylight
- Spring equinox (around March 20); days and nights are equal length, then days lengthen rapidly.
- Zone 7 last frost
- Late March – mid April
- Zone 7 first frost
- Mid October – mid November
3
Sow indoors
4
Sow outdoors
5
Transplant
0
Harvest
0
Maintenance
🌱 Sow indoors
Start cucumbers, squash, and melons indoors (late March)
🌿 Sow outdoors
Direct sow beets, carrots, and chard
Sow 1 inch deep, 3 inches apart; each seed is a cluster — thin to one plant per cluster.
Sow ¼ inch deep in loose, deep soil; mix with sand for even distribution; thin to 3 inches.
Sow 1 inch deep, thin to 6 inches; very productive cut-and-come-again crop.
Sow ½ inch deep, 1 inch apart; thin to 2 inches; ready in 25–30 days.
🪴 Transplant
Transplant broccoli, cabbage, and cauliflower starts
Sow ¼ inch deep; transplant at 4–6 weeks when 4–5 inches tall; space 18 inches apart.
Sow ¼ inch deep; harden off well before transplanting; space 12–18 inches apart.
Sow ¼ inch deep; needs consistent cool temperatures; space 18 inches apart.
Sow ¼ inch deep directly or in trays; very cold-hardy; direct sow works well in cool soil.
Plant bare-root strawberries
Plant bare-root crowns with crown at soil level — not too deep or too shallow; mulch runners.
When to plant this month's crops in Zone 7
Full planting calendars — start indoors, transplant, and harvest timing — for the crops you're planting in March.
General March tasks
These apply broadly regardless of zone — a useful checklist alongside the zone-specific tasks above.
- ✓Direct sow peas, spinach, and lettuce outdoors once soil is workable
- ✓Start cucumbers, melons, and squash indoors (3–4 weeks before last frost)
- ✓Divide and transplant summer-blooming perennials
- ✓Apply compost or aged manure to vegetable beds
- ✓Plant shallots, onion sets, and bare-root strawberries
- ✓Set up cold frames and row covers for early crops
- ✓Begin hardening off seedlings started indoors
- ✓Plant cool-season annuals: pansies, snapdragons
⚠ Watch-outs for March
- ⚠Frost is still possible in most zones through March; protect transplants
- ⚠Soil may still be too wet and cold for many seeds — test by squeezing a handful
- ⚠Late snowfall can flatten young seedlings outdoors; have covers ready
- ⚠Slugs and snails become active early in spring; set bait or traps
March in Zone 7: common questions
What can I plant in March in Zone 7?＋
In March, Zone 7 gardeners can sow or transplant Cucumbers, Squash, Melons, Beets, Carrots, Swiss chard, Radishes, and Broccoli. March in Zone 7: active cool-season planting. Last frost typically late March to mid-April.
When is the last and first frost in Zone 7?＋
Zone 7 typically has its last spring frost around Late March – mid April and its first fall frost around Mid October – mid November, giving a growing season of roughly 200–225 days. Always check a local frost-date source, since microclimates vary.
What garden jobs matter most in March in Zone 7?＋
Focus on direct sow peas, spinach, and lettuce outdoors once soil is workable, start cucumbers, melons, and squash indoors (3–4 weeks before last frost), divide and transplant summer-blooming perennials. Watch out for frost is still possible in most zones through march; protect transplants.