When should I plant Brokkoli in Zone 5b?

Start Brokkoli seeds indoors around Mar 17. Transplant outdoors after May 12. Expect first harvest around Jul 11.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Brokkoli in Zone 5b?

Yes. Brokkoli needs 70 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

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🥦 Growing Brokkoli in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for Brokkoli in this zone. Siste frost: Apr 28. Første frost: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 17Oct 8

Season: Apr 28 – Oct 8 (163 dager)

Sone5b

Siste frostApr 28

Første frostOct 8

Sesong163 dager

Høst70 dager

SolFull Sol

When to Plant Brokkoli in Zone 5b

Start Seeds Indoors: Mar 17

Start Brokkoli seeds indoors around Mar 17 (6 uker før siste frost). Optimal germination temperature: 75F. Germinates in 5-10 days.

Transplant Outdoors: May 12

Transplant Brokkoli seedlings outdoors after May 12. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Jul 11

First harvest approximately Jul 11 (~60 dager from transplant). Continue harvesting until first frost (Oct 8).

Fall Planting: Jul 16

For a fall harvest, plant Brokkoli around Jul 16 (12 weeks before first frost).

Samdyrking

✅ Salvie ✅ Rosmarin ✅ Mynte ✅ Kamille ✅ Dill

❌ Jordbær❌ Tomater❌ Bønner

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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