When should I plant Retek in Zone 4a?

Direct sow Retek outdoors around Mar 31. Expect first harvest around Apr 25.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Yes. Retek needs 25 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 8 successions.

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Zone 4a has cold winters and a moderate growing season. Timing is key for Retek in this zone. Utolsó fagy: May 5. Első fagy: Oct 1.

Outdoor

Harvest

Mar 31Oct 1

Season: May 5 – Oct 1 (149 nap) · Succession: plant every 2 weeks (up to 8x)

Zóna4a

Utolsó fagyMay 5

Első fagyOct 1

Szezon149 nap

Betakarítás25 nap

NapTeljes Nap

Direct sow Retek seeds outdoors around Mar 31. Wait until soil temperature reaches 40F. Space plants at 16/m² (8cm távolság).

First harvest approximately Apr 25 (~25 nap from planting). Continue harvesting until first frost (Oct 1).

For a fall harvest, plant Retek around Aug 27 (5 weeks before first frost).

✅ Sarkantyúkák✅ Spenót ✅ Saláta✅ Borsók

❌ Izsóp

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

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