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🍅 Growing Tomato, Black Krim in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Tomato, Black Krim 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 Harvest80

SunFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

When to Plant Tomato, Black Krim in Zone 3a

Start Seeds Indoors: Apr 10

Start Tomato, Black Krim 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, Black Krim 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

Tomato, Black Krim 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, Black Krim in Zone 3a?

Start Tomato, Black Krim seeds indoors around Apr 10. Transplant outdoors after Jun 5. Expect first harvest around Aug 9.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Tomato, Black Krim in Zone 3a?

Yes. Tomato, Black Krim needs 80 days to harvest. Zone 3a has a 113-day growing season, which is sufficient.

What is the best month to plant Tomato, Black Krim in Zone 3a?

The best time to start Tomato, Black Krim in Zone 3a is Apr. Begin seeds indoors around Apr 10, then transplant outdoors after the last frost date of May 22.

What companion plants grow well with Tomato, Black Krim?

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

How long does Tomato, Black Krim take to harvest?

Tomato, Black Krim takes approximately 80 days from planting to harvest. In Zone 3a, expect your first harvest around Aug 9.

Plan Your Tomato, Black Krim Garden

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

Start Free Tomato, Black Krim Growing Guide