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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.

🌿 About Eggplant

Scientific Name Solanum melongena
Days to Maturity 70 days
Plant Type Bush
Sun Full Sun (6-8 hours)
Water Regular (1 inch/week)
Spacing 24" apart

🤝 Companion Plants for Eggplant

Good Companions

BeanPepperSpinachThyme

Avoid Planting Near

Fennel
See the full companion planting guide for Eggplant →

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

Other Plants for Massachusetts

When to Plant Eggplant in Other States