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When to Plant Eggplant in Massachusetts

🌱

Start Seeds Indoors

Saturday, February 13, 2027

Transplant outdoors: Saturday, April 24, 2027

State

Massachusetts

USDA Zones

6a, 6b, 7a

Avg Last Frost

Saturday, April 10, 2027

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 Tuesday, April 20, 2027 Tuesday, February 23, 2027 Tuesday, May 4, 2027
6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027

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. Depending on your zone, Massachusetts gardeners start seeds indoors between February 13, 2027 (Zone 7a) and February 23, 2027 (Zone 6a), then move transplants outside once their zone's last frost has passed — the zone table above has your exact dates.

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 Saturday, February 13, 2027 and transplant outdoors around Saturday, April 24, 2027 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 Tuesday, April 20, 2027, 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 Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Andover 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Boston 7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027
Braintree 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Brighton 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Cambridge 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Charlestown 7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027
Chelsea 7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027
Everett 7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027
Hyde Park 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Jamaica Plain 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Malden 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Mattapan 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Medford 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Melrose 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Milton 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Milton Village 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Quincy 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Readville 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Revere 7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027
Roslindale 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Somerville 7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027
Stoneham 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
West Medford 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
West Roxbury 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Weymouth 6b Thursday, April 15, 2027 Thursday, February 18, 2027 Thursday, April 29, 2027
Winthrop 7a Saturday, April 10, 2027 Saturday, February 13, 2027 Saturday, April 24, 2027

Other Plants for Massachusetts

When to Plant Eggplant in Other States