When should I plant Nasturtium in Zone 3b?

Start Nasturtium seeds indoors around Apr 17. Transplant outdoors after May 22. Expect first harvest around Jul 1.

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 Nasturtium in Zone 3b?

Yes. Nasturtium needs 45 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🌺 Growing Nasturtium in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Nasturtium early indoors to maximize your harvest window. Fros terakhir: May 15. Fros pertama: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 17Sep 22

Season: May 15 – Sep 22 (130 hari)

Zon3b

Fros terakhirMay 15

Fros pertamaSep 22

Musim130 hari

Tuaian45 hari

MatahariMatahari Penuh

When to Plant Nasturtium in Zone 3b

Start Seeds Indoors: Apr 17

Start Nasturtium seeds indoors around Apr 17 (4 minggu sebelum fros terakhir). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: May 22

Transplant Nasturtium seedlings outdoors after May 22. Wait until soil temperature reaches 55F. Space plants at 4/m² (15cm jarak). Harden off plants for a week before moving outside.

Harvest: Jul 1

First harvest approximately Jul 1 (~40 hari from transplant). Continue harvesting until first frost (Sep 22).

Penanaman Teman

✅ Timun✅ Labu✅ Labu✅ Lobak✅ Kubis

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

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