When should I plant Heřánek in Zone 5b?

Start Heřánek seeds indoors around Mar 17. Transplant outdoors after Apr 21. Expect first harvest around Jun 5.

What is the last frost date for Zone 5b?

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

Can I grow Heřánek in Zone 5b?

Yes. Heřánek needs 60 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

Growing Heřánek in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for Heřánek in this zone. Poslední mráz: Apr 28. První mráz: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 17Oct 8

Season: Apr 28 – Oct 8 (163 dní)

Zóna5b

Poslední mrázApr 28

První mrázOct 8

Sezóna163 dní

Sklizeň60 dní

SluncePlné Slunce

When to Plant Heřánek in Zone 5b

Start Seeds Indoors: Mar 17

Start Heřánek seeds indoors around Mar 17 (6 týdnů před posledním mrazem). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: Apr 21

Transplant Heřánek seedlings outdoors after Apr 21. Wait until soil temperature reaches 45F. Space plants at 8/m². Harden off plants for a week before moving outside.

Harvest: Jun 5

First harvest approximately Jun 5 (~45 dní from transplant). Continue harvesting until first frost (Oct 8).

Heřánek 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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Track Heřánek from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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