When should I plant Harmanček in Zone 4b?

Start Harmanček seeds indoors around Mar 20. Transplant outdoors after Apr 24. Expect first harvest around Jun 8.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Harmanček in Zone 4b?

Yes. Harmanček needs 60 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

Growing Harmanček in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Harmanček in this zone. Posledný mráz: May 1. Prvý mráz: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Oct 5

Season: May 1 – Oct 5 (157 dní)

Zóna4b

Posledný mrázMay 1

Prvý mrázOct 5

Sezóna157 dní

Úroda60 dní

SlnkoPlné Slnko

When to Plant Harmanček in Zone 4b

Start Seeds Indoors: Mar 20

Start Harmanček seeds indoors around Mar 20 (6 týždňov pred posledným mrazom). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: Apr 24

Transplant Harmanček seedlings outdoors after Apr 24. Wait until soil temperature reaches 45F. Space plants at 8/m². Harden off plants for a week before moving outside.

Harvest: Jun 8

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

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

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