Growing Eggplant in Zone 3B

Eggplant is a heat-loving crop that needs a long warm season. Beautiful in the garden and on the plate.

Zone 3B has a short growing season — start seeds indoors when possible and use season-extending techniques like cold frames and row covers.

Top Growing Tips

• Needs warm soil (70°F+) and air — don’t rush transplanting
• Flea beetles are the main pest — use row covers on young plants
• Harvest when skin is glossy and springs back when pressed
• Stake heavy-fruiting plants to prevent branch breakage
• Japanese varieties mature faster and work in shorter seasons

Companion Planting

Good companions: peppers, beans, spinach, thyme

Avoid planting near: fennel

Harvest Timeline

65-80 days from transplant

About Zone 3B

USDA Hardiness Zone 3B has an average last spring frost around May 15 and first fall frost around Sep 15. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.