Seed Starting Timeline (Zone 7a)
Your month-by-month guide from cozy indoor starts to thriving beds 🌿
In Zone 7a (hello, Jersey Shore friends! 👋), the gardening year is anchored by an average last spring frost in mid-April and an average first fall frost in early November. Use those bookends to plan your sowing. This guide gives you a clear, beginner-friendly timeline: what to start indoors, when to direct-sow outside, and how to pace your season.
Count Back from Your Last Frost (Mid-April)
Use the chart below to time indoor sowing and transplants. “LSF” = last spring frost.
| When | Start Indoors | Direct-Sow Outdoors | Notes |
|---|---|---|---|
1–12 wksbefore LSFlate Jan–early Feb |
Onions (seed), leeks, celery |
Long lead-time crops;bright light essential. |
|
8–10 wksbefore LSFmid–late Feb |
Broccoli, cabbage, cauliflower, kale, chardflowers: snapdragon |
Cool-season brassicas like a head start. |
|
6–8 wksbefore LSFlate Feb–early Mar |
Tomatoes, lettuce, parsley; flowers: marigold |
Peas, spinach, radisharugula if soil workable |
Sow peas outdoors once soil is ~40–45°F. |
4–6 wksbefore LSFmid–late Mar |
Peppers, eggplant, basil (warmth + grow lights) |
Carrots, beets, turnips, more spinach/lettuce |
Bottom heat (75–80°F) speeds pepper/eggplant germination. |
2–4 wksbefore LSFlate Mar–early Apr |
Cucumbers* (optional), summer squash* (optional), zinnias* |
Potatoes, scallions, cilantro, dill; succession radish/lettuce |
*Start in large cells; they dislike root disturbance. |
1 to 2 wks after LSFmid–late Apr |
Harden off 7–10 days prior |
Beans, corn once soil warms; direct cucumbers/squash |
Protect with row cover if nights dip below 50°F. |
2–4 wksafter LSFApr- May |
Melons, okra, sunflowers; second sowing of beans/corn |
Warm soil = faster germination and fewer setbacks. |
Month-by-Month Snapshot (Zone 7a)
Jan–Feb
Start onions/leeks/celery indoors. Inventory seeds, set up lights, test germination on older seed.
March
Start brassicas, tomatoes, and herbs indoors. Direct-sow peas, spinach, and radish when soil is workable.
April
Harden off transplants. After last frost, plant beans, corn, cucumbers, and squash. Protect on chilly nights.
May
Transplant tomatoes/peppers/eggplant. Direct-sow melons/okra/sunflowers. Mulch 2–3″ to conserve water.
June–July
Succession-sow beans, corn, cucumbers. Start fall brassicas indoors late July (6–8 wks before Sept transplant).
Aug–Sept
Transplant fall brassicas. Direct-sow carrots, beets, spinach for fall harvest. Start lettuce every 2 weeks.
Oct–Nov
Finish fall plantings early Oct. Add row covers for frost. Plant garlic late Oct–Nov for next summer harvest.
Hardening Off (The Week that Saves Your Season)
- 7–10 days before transplant, place seedlings outdoors in dappled shade for 2–3 hours; bring in at night.
- Increase sun and wind exposure daily; keep soil evenly moist.
- Transplant on a cloudy day or late afternoon; water deeply and mulch.
Quick Crop Guide (Zone 7a Favorites)
Crop |
Start Indoors |
Transplant/Direct-Sow |
Notes |
|---|---|---|---|
Tomato |
6–8 wksbefore LSF |
After LSF(soil 60°F+) |
Harden off;mulch; stake early. |
Pepper / Eggplant |
8–10 wksbefore LSFw/ heat mat |
1–2 wks after LSF(nights 55°F+) |
Love warmth;slow to start. |
Cucumber / Squash |
2–3 wksbefore LSF(optional) |
At/after LSF(or direct-sow) |
Use large cells;minimal rootdisturbance. |
Beans / orn |
Direct-sowafter LSF(warm soil) |
Succession every2–3 weeks. |
|
Lettuce / Greens |
4–6 wksbefore LSF |
Direct-sow 4–6 wksbefore LSF onward |
Bolt-prone in heat;partial shade helps. |
Carrot / Beet |
Direct-sow 4–6 wksbefore LSF |
Fine seed; keep surface evenly moist. |
|
Broccoli / Cabbage / Kale |
8–10 wks before LSF (spring) & late July (fall) |
Transplant 2–4 wks before LSF (spring) & Sept (fall) |
Row cover helps with pests. |
Herbs (Basil, Parsley, Dill) |
Basil 4–6 wks; Parsley 8–10 wks; Dill direct-sow |
Basil after LSF; Dill anytime cool; Parsley before/after LSF |
Basil loves heat; dill prefers cool shoulder seasons. |
Seed-Starting Basics (Success Boosters)
- Light: 14–16 hours/day under grow lights keeps seedlings sturdy.
- Heat: 70–75°F air; 75–80°F soil for peppers/eggplant.
- Airflow: A small fan reduces damping-off disease.
- Watering: Keep mix evenly moist; bottom-water when possible.
- Feeding: Start a half-strength fertilizer 2–3 weeks after germination.
- Potting up: Move into larger cells when roots fill starter cells.
Printable Mini-Checklist
- Find your exact frost dates; set LSF in mid-April, adjust locally.
- Count back weeks; schedule indoor sowing on your calendar.
- Harden off 7–10 days before transplanting.
- Mulch after planting and set up drip/soaker lines.
- Succession-sow greens and beans every 2–3 weeks for steady harvests.





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