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🍅 Growing Tomato, Black Krim in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Tomato, Black Krim in this zone. Last frost: May 5. First frost: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 24Oct 1

Season: May 5 – Oct 1 (149 days)

Zone4a

Last FrostMay 5

First FrostOct 1

Season Length149 days

Days to Harvest80

SunFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

When to Plant Tomato, Black Krim in Zone 4a

Start Seeds Indoors: Mar 24

Start Tomato, Black Krim seeds indoors around Mar 24 (6 weeks before last frost). Optimal germination temperature: 80°F. Germinates in 6–14 days.

Transplant Outdoors: May 19

Transplant Tomato, Black Krim seedlings outdoors after May 19. Wait until soil temperature reaches 60°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Jul 23

First harvest approximately Jul 23 (~65 days from transplant). Continue harvesting until first frost (Oct 1).

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 4a?

Start Tomato, Black Krim seeds indoors around Mar 24. Transplant outdoors after May 19. Expect first harvest around Jul 23.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Tomato, Black Krim in Zone 4a?

Yes. Tomato, Black Krim needs 80 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

What is the best month to plant Tomato, Black Krim in Zone 4a?

The best time to start Tomato, Black Krim in Zone 4a is Mar. Begin seeds indoors around Mar 24, then transplant outdoors after the last frost date of May 5.

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 4a, expect your first harvest around Jul 23.

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