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🍅 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

Tomato, Sun Gold in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Frequently Asked Questions

When should I plant Tomato, Sun Gold in Zone 3b?

Start Tomato, Sun Gold seeds indoors around Apr 3. Transplant outdoors after May 29. Expect first harvest around Aug 2.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Tomato, Sun Gold in Zone 3b?

Yes. Tomato, Sun Gold needs 57 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

What is the best month to plant Tomato, Sun Gold in Zone 3b?

The best time to start Tomato, Sun Gold in Zone 3b is Apr. Begin seeds indoors around Apr 3, then transplant outdoors after the last frost date of May 15.

What companion plants grow well with Tomato, Sun Gold?

Good companion plants for Tomato, Sun Gold include Garlic, Asparagus, Basil, Carrots, Marigolds, Peppers. Avoid planting Tomato, Sun Gold near Potatoes, Fennel, Corn, Kohlrabi.

How long does Tomato, Sun Gold take to harvest?

Tomato, Sun Gold takes approximately 57 days from planting to harvest. In Zone 3b, expect your first harvest around Aug 2.

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