When should I plant Nasturtium in Zone 3a?

Start Nasturtium seeds indoors around Apr 24. Transplant outdoors after May 29. Expect first harvest around Jul 8.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Nasturtium in Zone 3a?

Yes. Nasturtium needs 45 days to harvest. Zone 3a has a 113-day growing season, which is sufficient.

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🌺 Growing Nasturtium in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Nasturtium early indoors to maximize your harvest window. Baridi ya mwisho: May 22. Baridi ya kwanza: Sep 12.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 24Sep 12

Season: May 22 – Sep 12 (113 siku)

Eneo3a

Baridi ya mwishoMay 22

Baridi ya kwanzaSep 12

Msimu113 siku

Mavuno45 siku

JuaJua Kamili

When to Plant Nasturtium in Zone 3a

Start Seeds Indoors: Apr 24

Start Nasturtium seeds indoors around Apr 24 (4 wiki kabla ya baridi barafu ya mwisho). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: May 29

Transplant Nasturtium seedlings outdoors after May 29. Wait until soil temperature reaches 55F. Space plants at 4/m² (15cm nafasi). Harden off plants for a week before moving outside.

Harvest: Jul 8

First harvest approximately Jul 8 (~40 siku from transplant). Continue harvesting until first frost (Sep 12).

Upandaji wa Pamoja

✅ Matango✅ Boga✅ Malenge✅ Radishi✅ Kabichi

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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