When should I plant Nasturtium in Zone 4b?

Start Nasturtium seeds indoors around Apr 3. Transplant outdoors after May 8. Expect first harvest around Jun 17.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Nasturtium in Zone 4b?

Yes. Nasturtium needs 45 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🌺 Growing Nasturtium in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Nasturtium in this zone. Baridi ya mwisho: May 1. Baridi ya kwanza: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 3Oct 5

Season: May 1 – Oct 5 (157 siku)

Eneo4b

Baridi ya mwishoMay 1

Baridi ya kwanzaOct 5

Msimu157 siku

Mavuno45 siku

JuaJua Kamili

When to Plant Nasturtium in Zone 4b

Start Seeds Indoors: Apr 3

Start Nasturtium seeds indoors around Apr 3 (4 wiki kabla ya baridi barafu ya mwisho). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: May 8

Transplant Nasturtium seedlings outdoors after May 8. Wait until soil temperature reaches 55F. Space plants at 4/m² (15cm nafasi). Harden off plants for a week before moving outside.

Harvest: Jun 17

First harvest approximately Jun 17 (~40 siku from transplant). Continue harvesting until first frost (Oct 5).

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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