When should I plant Shepherd's Purse in Zone 9a?

Direct sow Shepherd's Purse outdoors around Feb 6. Harvest around Mar 23.

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 Shepherd's Purse in Zone 9a?

Yes. Shepherd's Purse needs 45 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

Growing Shepherd's Purse in Zone 9a

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

Planting Calendar

Outdoor

Harvest

Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 days)

Zone9a

Last FrostMar 20

First FrostNov 12

Season Length237 days

Days to Harvest45

Sunfull-to-part

Frost ToleranceHeavy

Spacing16/sqft (3" apart)

When to Plant Shepherd's Purse in Zone 9a

Sow Seeds Outdoors: Feb 6

Direct sow Shepherd's Purse seeds outdoors around Feb 6. Soil temperature should be at least 35°F. Space at 16/sqft (3" apart).

Harvest: Mar 23

First harvest approximately Mar 23 (~45 days from planting). Continue harvesting until first frost (Nov 12). Shepherd's Purse can overwinter in mild climates for continued harvest.

Fall Planting: Sep 17

For a fall harvest, plant Shepherd's Purse around Sep 17 (8 weeks before first frost).

Shepherd's Purse 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 Shepherd's Purse Garden

Track Shepherd's Purse from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Shepherd's Purse Growing Guide