When should I plant Heřánek in Zone 10a?

Start Heřánek seeds indoors around Jan 9. Transplant outdoors after Feb 13. Expect first harvest around Mar 30.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Heřánek in Zone 10a?

Yes. Heřánek needs 60 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

Growing Heřánek in Zone 10a

Zone 10a has a year-round growing season. Heřánek can be planted almost any time with proper planning. Poslední mráz: Feb 20. První mráz: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 dní)

Zóna10a

Poslední mrázFeb 20

První mrázDec 1

Sezóna284 dní

Sklizeň60 dní

SluncePlné Slunce

When to Plant Heřánek in Zone 10a

Start Seeds Indoors: Jan 9

Start Heřánek seeds indoors around Jan 9 (6 týdnů před posledním mrazem). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: Feb 13

Transplant Heřánek seedlings outdoors after Feb 13. Wait until soil temperature reaches 45F. Space plants at 8/m². Harden off plants for a week before moving outside.

Harvest: Mar 30

First harvest approximately Mar 30 (~45 dní from transplant). Continue harvesting until first frost (Dec 1).

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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