When should I plant Karfiol in Zone 3a?

Start Karfiol seeds indoors around Apr 10. Transplant outdoors after May 8. Expect first harvest around Jul 7.

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 Karfiol in Zone 3a?

Yes. Karfiol needs 75 days to harvest. Zone 3a has a 113-day growing season, which is sufficient.

🥦

🥦 Growing Karfiol in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Karfiol early indoors to maximize your harvest window. Utolsó fagy: May 22. Első fagy: Sep 12.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 10Sep 12

Season: May 22 – Sep 12 (113 nap)

Zóna3a

Utolsó fagyMay 22

Első fagySep 12

Szezon113 nap

Betakarítás75 nap

NapTeljes Nap

When to Plant Karfiol in Zone 3a

Start Seeds Indoors: Apr 10

Start Karfiol seeds indoors around Apr 10 (6 hét az utolsó fagy előtt). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: May 8

Transplant Karfiol seedlings outdoors after May 8. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm távolság). Harden off plants for a week before moving outside.

Harvest: Jul 7

First harvest approximately Jul 7 (~60 nap from transplant). Continue harvesting until first frost (Sep 12).

Fall Planting: Jun 20

For a fall harvest, plant Karfiol around Jun 20 (12 weeks before first frost).

Társnövény Üléttetés

✅ Spenót ✅ Zeller ✅ Kakukkfű✅ Bab

❌ Paradicsomok❌ Eprek❌ Borsók

Karfiol 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

Plan Your Garden Karfiol

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

Start Free Karfiol Growing Guide