When should I plant Sukuma Wiki in Zone 4a?

Start Sukuma Wiki seeds indoors around Mar 24. Transplant outdoors after Apr 7. Expect first harvest around May 22.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Sukuma Wiki in Zone 4a?

Yes. Sukuma Wiki needs 60 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🥬 Growing Sukuma Wiki in Zone 4a

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

Planting Calendar

Indoor

Outdoor

Harvest

Mar 24Oct 1

Season: May 5 – Oct 1 (149 siku)

Eneo4a

Baridi ya mwishoMay 5

Baridi ya kwanzaOct 1

Msimu149 siku

Mavuno60 siku

JuaKivuli Nusu

When to Plant Sukuma Wiki in Zone 4a

Start Seeds Indoors: Mar 24

Start Sukuma Wiki seeds indoors around Mar 24 (6 wiki kabla ya baridi barafu ya mwisho). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Apr 7

Transplant Sukuma Wiki seedlings outdoors after Apr 7. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm nafasi). Harden off plants for a week before moving outside.

Harvest: May 22

First harvest approximately May 22 (~45 siku from transplant). Continue harvesting until first frost (Oct 1). Sukuma Wiki can overwinter in mild climates for continued harvest.

Fall Planting: Aug 6

For a fall harvest, plant Sukuma Wiki around Aug 6 (8 weeks before first frost).

Upandaji wa Pamoja

✅ Sage ✅ Bizari ya Dunia✅ Vitunguu✅ Beetroot✅ Viazi

❌ Stroberi

Sukuma Wiki 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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