When should I plant Brokkoli in Zone 4a?

Start Brokkoli seeds indoors around Mar 24. Transplant outdoors after May 19. Expect first harvest around Jul 18.

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 Brokkoli in Zone 4a?

Yes. Brokkoli needs 70 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🥦 Growing Brokkoli in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Brokkoli in this zone. Utolsó fagy: May 5. Első fagy: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 24Oct 1

Season: May 5 – Oct 1 (149 nap)

Zóna4a

Utolsó fagyMay 5

Első fagyOct 1

Szezon149 nap

Betakarítás70 nap

NapTeljes Nap

When to Plant Brokkoli in Zone 4a

Start Seeds Indoors: Mar 24

Start Brokkoli seeds indoors around Mar 24 (6 hét az utolsó fagy előtt). Optimal germination temperature: 75F. Germinates in 5-10 days.

Transplant Outdoors: May 19

Transplant Brokkoli seedlings outdoors after May 19. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm távolság). Harden off plants for a week before moving outside.

Harvest: Jul 18

First harvest approximately Jul 18 (~60 nap from transplant). Continue harvesting until first frost (Oct 1).

Fall Planting: Jul 9

For a fall harvest, plant Brokkoli around Jul 9 (12 weeks before first frost).

Társnövény Üléttetés

✅ Zsálya ✅ Rozmaring ✅ Menta ✅ Kamilla ✅ Kapor

❌ Eprek❌ Paradicsomok❌ Bab

Brokkoli 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

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