Tomato, Sun Gold illustration 🍅

🍅 Growing Tomato, Sun Gold in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Tomato, Sun Gold early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 3Sep 22

Season: May 15 – Sep 22 (130 days)

Zone3b
Last FrostMay 15
First FrostSep 22
Season Length130 days
Days to Harvest57
SunFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)

When to Plant Tomato, Sun Gold in Zone 3b

Start Seeds Indoors: Apr 3

Start Tomato, Sun Gold seeds indoors around Apr 3 (6 weeks before last frost). Optimal germination temperature: 80°F. Germinates in 6–14 days.

Transplant Outdoors: May 29

Transplant Tomato, Sun Gold seedlings outdoors after May 29. Wait until soil temperature reaches 60°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Aug 2

First harvest approximately Aug 2 (~65 days from transplant). Continue harvesting until first frost (Sep 22).

Companion Planting

✅ Garlic✅ Asparagus✅ Basil✅ Carrots✅ Marigolds✅ Peppers✅ Onions
❌ Potatoes❌ Fennel❌ Corn❌ Kohlrabi

Plan Your Tomato, Sun Gold Garden

Track Tomato, Sun Gold from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Tomato, Sun Gold Growing Guide