When should I plant Heřánek in Zone 9a?

Start Heřánek seeds indoors around Feb 6. Transplant outdoors after Mar 13. Expect first harvest around Apr 27.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Heřánek in Zone 9a?

Yes. Heřánek needs 60 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

Growing Heřánek in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Heřánek. Poslední mráz: Mar 20. První mráz: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 dní)

Zóna9a

Poslední mrázMar 20

První mrázNov 12

Sezóna237 dní

Sklizeň60 dní

SluncePlné Slunce

When to Plant Heřánek in Zone 9a

Start Seeds Indoors: Feb 6

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

Transplant Outdoors: Mar 13

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

Harvest: Apr 27

First harvest approximately Apr 27 (~45 dní from transplant). Continue harvesting until first frost (Nov 12).

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

Plan Your Garden Heřánek

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

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