When to Plant Eggplant in Massachusetts
Start Seeds Indoors
Friday, February 13, 2026
Transplant outdoors: Friday, April 24, 2026
State
Massachusetts
USDA Zones
6a, 6b, 7a
Avg Last Frost
Friday, April 10, 2026
Cities Covered
27
Massachusetts Planting Schedule by Zone
Massachusetts spans 3 zones — find yours below for the most accurate dates.
| Zone | Last Frost | Start Indoors | Transplant |
|---|---|---|---|
| 6a | Monday, April 20, 2026 | Monday, February 23, 2026 | Monday, May 4, 2026 |
| 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |
Dates based on average last frost. Check your local forecast before planting.
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Growing Eggplant in Massachusetts: Complete Guide
Eggplant (Solanum melongena) is a warm-season crop that needs a head start indoors before Massachusetts's last frost. Most Massachusetts gardeners begin seeds indoors around Friday, February 13, 2026 and move transplants outside around Friday, April 24, 2026, after the risk of frost has passed.
Because Massachusetts stretches across 3 USDA hardiness zones (6a, 6b, 7a), planting windows can shift by as much as two to four weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.
With 70 days to maturity, Eggplant needs the indoor head start that Massachusetts's growing season requires. Starting indoors ensures you have strong transplants ready the moment outdoor conditions are right.
Eggplant requires full sun (6-8 hours) and regular (1 inch/week) moisture. In the Northeast, cool summers and moderate humidity can slow warm-season crops, so choose a sheltered, south-facing spot to maximise heat.
For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Massachusetts.
Growing Eggplant in Massachusetts: Local Tips
Climate-specific advice for Massachusetts gardeners.
Start seeds in early February
Eggplant needs 10–12 weeks of indoor growing before the last frost date; starting seeds in early February gives plants time to be strong 6–8-inch transplants by late May.
Use black plastic mulch
Eggplant is even more heat-hungry than tomatoes; black plastic mulch that keeps soil at 70°F+ is one of the most effective strategies for improving yields north of Zone 6.
Frequently Asked Questions
When should I plant Eggplant in Massachusetts?
In Massachusetts, start Eggplant seeds indoors around Friday, February 13, 2026 and transplant outdoors around Friday, April 24, 2026 after your last frost. Massachusetts spans zones 6a–7a, so dates shift by 1–4 weeks depending on where you live.
What is the last frost date in Massachusetts?
Massachusetts spans 3 USDA zones (6a, 6b, 7a), so last frost dates vary by region. Andover (6a) sees frost until around Monday, April 20, 2026, while Boston, Charlestown, Cambridge (7a) is frost-free much earlier.
How long does Eggplant take to grow in Massachusetts?
Eggplant takes about 70 days from transplant (or direct sow) to harvest. Starting seeds indoors in Massachusetts gives you a head start so plants are ready to go out after the last frost.
What USDA zones does Massachusetts cover for Eggplant?
Massachusetts includes zones 6a, 6b, 7a. Eggplant grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.
When to Plant Eggplant by City in Massachusetts
Dates are based on each city's USDA zone and average last frost.
| City | Zone | Last Frost | Start Indoors | Transplant |
|---|---|---|---|---|
| Allston | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Andover | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Boston | 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |
| Braintree | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Brighton | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Cambridge | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Charlestown | 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |
| Chelsea | 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |
| Everett | 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |
| Hyde Park | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Jamaica Plain | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Malden | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Mattapan | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Medford | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Melrose | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Milton | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Milton Village | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Quincy | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Readville | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Revere | 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |
| Roslindale | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Somerville | 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |
| Stoneham | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| West Medford | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| West Roxbury | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Weymouth | 6b | Wednesday, April 15, 2026 | Wednesday, February 18, 2026 | Wednesday, April 29, 2026 |
| Winthrop | 7a | Friday, April 10, 2026 | Friday, February 13, 2026 | Friday, April 24, 2026 |