When should I plant Retiisi in Zone 9a?

Direct sow Retiisi outdoors around Feb 13. Expect first harvest around Mar 10.

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 Retiisi in Zone 9a?

Yes. Retiisi needs 25 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 15 successions.

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🥔 Growing Retiisi in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Retiisi. Viimeinen halla: Mar 20. Ensimmäinen halla: Nov 12.

Planting Calendar

Outdoor

Harvest

Feb 13Nov 12

Season: Mar 20 – Nov 12 (237 päivää) · Succession: plant every 2 weeks (up to 15x)

Vyöhyke9a

Viimeinen hallaMar 20

Ensimmäinen hallaNov 12

Kausi237 päivää

Sato25 päivää

AurinkoTäysi Aurinko

When to Plant Retiisi in Zone 9a

Sow Seeds Outdoors: Feb 13

Direct sow Retiisi seeds outdoors around Feb 13. Wait until soil temperature reaches 40F. Space plants at 16/m² (8cm välein).

Harvest: Mar 10

First harvest approximately Mar 10 (~25 päivää from planting). Continue harvesting until first frost (Nov 12).

Fall Planting: Oct 8

For a fall harvest, plant Retiisi around Oct 8 (5 weeks before first frost).

Kumppaniviljely

✅ Krassit✅ Pinaatti ✅ Salaatti✅ Herneet

❌ Iisoppi

Retiisi 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 Retiisi

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

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