When should I plant Lavanda in Zone 4a?

Start Lavanda seeds indoors around Feb 24. Transplant outdoors after May 12. Expect first harvest around Aug 10.

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 Lavanda in Zone 4a?

Yes. Lavanda needs 100 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🟣 Growing Lavanda in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Lavanda in this zone. Zadnji mraz: May 5. Prvi mraz: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 24Oct 1

Season: May 5 – Oct 1 (149 dana)

Zona4a

Zadnji mrazMay 5

Prvi mrazOct 1

Sezona149 dana

Berba100 dana

SuncePuno Sunce

When to Plant Lavanda in Zone 4a

Start Seeds Indoors: Feb 24

Start Lavanda seeds indoors around Feb 24 (10 tjedana prije zadnjeg mraza). Optimal germination temperature: 70F. Germinates in 14-28 days.

Transplant Outdoors: May 12

Transplant Lavanda seedlings outdoors after May 12. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm razmak). Harden off plants for a week before moving outside.

Harvest: Aug 10

First harvest approximately Aug 10 (~90 dana from transplant). Continue harvesting until first frost (Oct 1). Lavanda can overwinter in mild climates for continued harvest.

Sadnja u Društvu

✅ Ruže✅ Patliđžan✅ Rajčice✅ Kupus

Lavanda 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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