When should I plant Potato in Zone 9a?

Direct sow Potato outdoors around Mar 6. Harvest around Jun 4.

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.

Yes. Potato needs 90 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Potato. Last frost: Mar 20. First frost: Nov 12.

Outdoor

Harvest

Mar 6Nov 12

Season: Mar 20 – Nov 12 (237 days)

Zone9a

Last FrostMar 20

First FrostNov 12

Season Length237 days

Days to Harvest90

SunFull Sun

Frost ToleranceModerate

Spacing1/sqft (12" apart)

Direct sow Potato seeds outdoors around Mar 6. Soil temperature should be at least 45°F. Space at 1/sqft (12" apart).

First harvest approximately Jun 4 (~90 days from planting). Continue harvesting until first frost (Nov 12).

❌ Tomatoes❌ Pumpkins❌ Cucumbers❌ Squash

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