When should I plant Rosmariini in Zone 12b?

Start Rosmariini seeds indoors around Oct 23. Transplant outdoors after Jan 8. Expect first harvest around Apr 8.

What is the last frost date for Zone 12b?

The average last spring frost date for Zone 12b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Rosmariini in Zone 12b?

Yes. Rosmariini needs 90 days to harvest. Zone 12b has a 364-day growing season, which is sufficient.

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🌿 Growing Rosmariini in Zone 12b

Zone 12b has a year-round growing season. Rosmariini can be planted almost any time with proper planning. Viimeinen halla: Jan 1. Ensimmäinen halla: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Oct 23Dec 31

Season: Jan 1 – Dec 31 (364 päivää)

Vyöhyke12b

Viimeinen hallaJan 1

Ensimmäinen hallaDec 31

Kausi364 päivää

Sato90 päivää

AurinkoTäysi Aurinko

When to Plant Rosmariini in Zone 12b

Start Seeds Indoors: Oct 23

Start Rosmariini seeds indoors around Oct 23 (10 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 14-28 days.

Transplant Outdoors: Jan 8

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

Harvest: Apr 8

First harvest approximately Apr 8 (~90 päivää from transplant). Continue harvesting until first frost (Dec 31). Rosmariini can overwinter in mild climates for continued harvest.

Kumppaniviljely

✅ Pavut✅ Porkkanat✅ Kaali

Rosmariini 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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