When should I plant Isoköynnöskrassi in Zone 3b?

Start Isoköynnöskrassi 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 Isoköynnöskrassi in Zone 3b?

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

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🌺 Growing Isoköynnöskrassi in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Isoköynnöskrassi early indoors to maximize your harvest window. Viimeinen halla: May 15. Ensimmäinen halla: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 17Sep 22

Season: May 15 – Sep 22 (130 päivää)

Vyöhyke3b

Viimeinen hallaMay 15

Ensimmäinen hallaSep 22

Kausi130 päivää

Sato45 päivää

AurinkoTäysi Aurinko

When to Plant Isoköynnöskrassi in Zone 3b

Start Seeds Indoors: Apr 17

Start Isoköynnöskrassi seeds indoors around Apr 17 (4 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: May 22

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

Harvest: Jul 1

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

Kumppaniviljely

✅ Kurkut✅ Kurpitsa✅ Kurpitsat✅ Retiisit✅ Kaali

Isoköynnöskrassi 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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