When should I plant رزماری in Zone 3b?

Start رزماری seeds indoors around Mar 6. Transplant outdoors after May 22. Expect first harvest around Aug 20.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow رزماری in Zone 3b?

Yes. رزماری needs 90 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🌿 Growing رزماری in Zone 3b

Zone 3b has harsh winters and a short growing season. Start رزماری early indoors to maximize your harvest window. آخرین یخبندان: May 15. اولین یخبندان: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 6Sep 22

Season: May 15 – Sep 22 (130 روز)

منطقه3b

آخرین یخبندانMay 15

اولین یخبندانSep 22

فصل130 روز

برداشت90 روز

آفتابآفتاب کامل

When to Plant رزماری in Zone 3b

Start Seeds Indoors: Mar 6

Start رزماری seeds indoors around Mar 6 (10 هفته قبل از آخرین سرمازدگی). Optimal germination temperature: 70F. Germinates in 14-28 days.

Transplant Outdoors: May 22

Transplant رزماری seedlings outdoors after May 22. Wait until soil temperature reaches 55F. Space plants at 1/متر² (30cm فاصله). Harden off plants for a week before moving outside.

Harvest: Aug 20

First harvest approximately Aug 20 (~90 روز from transplant). Continue harvesting until first frost (Sep 22). رزماری can overwinter in mild climates for continued harvest.

کاشت همراه

✅ لوبیا✅ هویج‌ها✅ کلم

رزماری 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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Track رزماری from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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