When should I plant Arugula in Zone 9b?

Direct sow Arugula outdoors around Feb 10. Harvest around Mar 17.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Yes. Arugula needs 35 days to harvest. Zone 9b has a 250-day growing season, which is sufficient. You can plant up to 15 successions.

🥗

Zone 9b has warm winters and an extended growing season — excellent for heat-loving crops like Arugula. Last frost: Mar 10. First frost: Nov 15.

Outdoor

Harvest

Feb 10Nov 15

Season: Mar 10 – Nov 15 (250 days) · Succession: plant every 2 weeks (up to 15x)

Zone9b

Last FrostMar 10

First FrostNov 15

Season Length250 days

Days to Harvest35

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

Direct sow Arugula seeds outdoors around Feb 10. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).

First harvest approximately Mar 17 (~35 days from planting). Continue harvesting until first frost (Nov 15).

For a fall harvest, plant Arugula around Oct 11 (5 weeks before first frost).

✅ Beans✅ Onions✅ Potatoes✅ Lettuce ✅ Dill✅ Beets✅ Carrots

❌ Strawberries

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