When should I plant Lavendel in Zone 4b?

Start Lavendel seeds indoors around Feb 20. Transplant outdoors after May 8. Expect first harvest around Aug 6.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Lavendel in Zone 4b?

Yes. Lavendel needs 100 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🟣 Growing Lavendel in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Lavendel in this zone. Siste frost: May 1. Første frost: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 20Oct 5

Season: May 1 – Oct 5 (157 dager)

Sone4b

Siste frostMay 1

Første frostOct 5

Sesong157 dager

Høst100 dager

SolFull Sol

When to Plant Lavendel in Zone 4b

Start Seeds Indoors: Feb 20

Start Lavendel seeds indoors around Feb 20 (10 uker før siste frost). Optimal germination temperature: 70F. Germinates in 14-28 days.

Transplant Outdoors: May 8

Transplant Lavendel seedlings outdoors after May 8. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Aug 6

First harvest approximately Aug 6 (~90 dager from transplant). Continue harvesting until first frost (Oct 5). Lavendel can overwinter in mild climates for continued harvest.

Samdyrking

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Lavendel 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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