When should I plant Isoköynnöskrassi in Zone 3a?

Start Isoköynnöskrassi 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 Isoköynnöskrassi in Zone 3a?

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

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🌺 Growing Isoköynnöskrassi in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Isoköynnöskrassi early indoors to maximize your harvest window. Viimeinen halla: May 22. Ensimmäinen halla: Sep 12.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 24Sep 12

Season: May 22 – Sep 12 (113 päivää)

Vyöhyke3a

Viimeinen hallaMay 22

Ensimmäinen hallaSep 12

Kausi113 päivää

Sato45 päivää

AurinkoTäysi Aurinko

When to Plant Isoköynnöskrassi in Zone 3a

Start Seeds Indoors: Apr 24

Start Isoköynnöskrassi seeds indoors around Apr 24 (4 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: May 29

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

Harvest: Jul 8

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

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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