Zone 6 · Fruiting Veg Growing Guide

When to Plant Eggplant / Aubergine
in Zone 6

Heat-loving crop that needs a long warm season. Start early indoors with bottom heat — slow to germinate and slow to establish. Rewards patience with beautiful glossy fruit.

Plant outdoors
May 1 – May 20
Start indoors
Mar 1 – Mar 15
Last Frost
~Apr 1
Days to harvest
70–85 days
Difficulty
Medium
Plant now — Zone 6
Harvest window: Jul – Oct

Planting Calendar

In Zone 6, Eggplant / Aubergine should be planted outdoors May 1 – May 20, after the average last frost date of approximately Apr 1. Start seeds indoors around Mar 1 – Mar 15 for a head start.

Good eggplant zone. Long warm season allows full production.

Care Guide

Sunlight
Full sun · 6–8 hrs/day
Watering
Regular
Spacing
18–24 inches
Soil
Rich, well-draining, warm
Days to maturity
70–85 days
Soil pH
5.8–6.5
plant tip · Zone 6

Good eggplant zone. Long warm season allows full production.

Feeding Schedule

How often
every 2 weeks
Feed type
balanced then high potassium
Key timing
switch to high-potassium at first flower

Heavy feeder like peppers and tomatoes. Start with balanced feed, switch to high-potassium when flowers appear. Consistent feeding produces larger, more tender fruit.

Companion Planting for Eggplant / Aubergine

What you plant next to eggplant / aubergine makes a real difference — some plants actively help, others compete or attract pests.

Grows well with
  • Beans
  • Peppers
  • Tarragon
  • Marigolds
Keep away from
  • Fennel
  • Corn
  • Brassicas

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Common questions

In Zone 6, start eggplant / aubergine seeds indoors around Mar 1 – Mar 15, then transplant outdoors May 1 – May 20 after your last frost around Apr 1. Good eggplant zone. Long warm season allows full production.
Zone 6 has an average last spring frost of approximately Apr 1 and a first fall frost around Oct 31. These dates vary by specific location — use your ZIP code in the plant app for precision based on the nearest NOAA weather station.
Good companion crops for eggplant / aubergine include Beans, Peppers, Tarragon, Marigolds. Avoid planting near Fennel, Corn, Brassicas, which can compete for nutrients or attract pests.
Eggplant / Aubergine typically takes 70–85 days from transplant or direct sow to harvest in Zone 6. Expected harvest window: Jul – Oct.

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Eggplant / Aubergine in other zones
Crop Guides