Tomato, Sun Gold illustration 🍅

🍅 Growing Tomato, Sun Gold in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Tomato, Sun Gold early indoors to maximize your harvest window. Last frost: May 22. First frost: Sep 12.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 10Sep 12

Season: May 22 – Sep 12 (113 days)

Zone3a
Last FrostMay 22
First FrostSep 12
Season Length113 days
Days to Harvest57
SunFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)

When to Plant Tomato, Sun Gold in Zone 3a

Start Seeds Indoors: Apr 10

Start Tomato, Sun Gold seeds indoors around Apr 10 (6 weeks before last frost). Optimal germination temperature: 80°F. Germinates in 6–14 days.

Transplant Outdoors: Jun 5

Transplant Tomato, Sun Gold seedlings outdoors after Jun 5. 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 9

First harvest approximately Aug 9 (~65 days from transplant). Continue harvesting until first frost (Sep 12).

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