When should I plant Isoköynnöskrassi in Zone 5a?

Start Isoköynnöskrassi seeds indoors around Mar 31. Transplant outdoors after May 5. Expect first harvest around Jun 14.

What is the last frost date for Zone 5a?

The average last spring frost date for Zone 5a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Isoköynnöskrassi in Zone 5a?

Yes. Isoköynnöskrassi needs 45 days to harvest. Zone 5a has a 163-day growing season, which is sufficient.

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🌺 Growing Isoköynnöskrassi in Zone 5a

Zone 5a has cold winters and a moderate growing season. Timing is key for Isoköynnöskrassi in this zone. Viimeinen halla: Apr 28. Ensimmäinen halla: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 31Oct 8

Season: Apr 28 – Oct 8 (163 päivää)

Vyöhyke5a

Viimeinen hallaApr 28

Ensimmäinen hallaOct 8

Kausi163 päivää

Sato45 päivää

AurinkoTäysi Aurinko

When to Plant Isoköynnöskrassi in Zone 5a

Start Seeds Indoors: Mar 31

Start Isoköynnöskrassi seeds indoors around Mar 31 (4 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: May 5

Transplant Isoköynnöskrassi seedlings outdoors after May 5. Wait until soil temperature reaches 55F. Space plants at 4/m² (15cm välein). Harden off plants for a week before moving outside.

Harvest: Jun 14

First harvest approximately Jun 14 (~40 päivää from transplant). Continue harvesting until first frost (Oct 8).

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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