Growing Eggplant in Zone 4B

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

Zone 4B 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 4B

USDA Hardiness Zone 4B has an average last spring frost around May 1 and first fall frost around Oct 1. 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.