When should I plant רוזמרין in Zone 3b?

Start רוזמרין 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 רוזמרין in Zone 3b?

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

🌿

🌿 Growing רוזמרין in Zone 3b

Zone 3b has harsh winters and a short growing season. Start רוזמרין early indoors to maximize your harvest window. כפור אחרון: May 15. כפור ראשון: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 6Sep 22

Season: May 15 – Sep 22 (130 ימים)

אזור3b

כפור אחרוןMay 15

כפור ראשוןSep 22

עונה130 ימים

קטיף90 ימים

שמששמש מלאה

When to Plant רוזמרין in Zone 3b

Start Seeds Indoors: Mar 6

Start רוזמרין seeds indoors around Mar 6 (10 שבועות לפני הכפור האחרון). Optimal germination temperature: 70F. Germinates in 14-28 days.

Transplant Outdoors: May 22

Transplant רוזמרין seedlings outdoors after May 22. Wait until soil temperature reaches 55F. Space plants at 1/מ² (30cm מרווח). Harden off plants for a week before moving outside.

Harvest: Aug 20

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

שתילה מלווה

✅ שעועיות✅ גזרים✅ כרוב

רוזמרין 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

Plan Your Garden רוזמרין

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

Start Free רוזמרין Growing Guide