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

Direct sow Shepherd's Purse outdoors around Jan 27. Harvest around Mar 13.

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.

Can I grow Shepherd's Purse in Zone 9b?

Yes. Shepherd's Purse needs 45 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

Growing Shepherd's Purse in Zone 9b

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

Planting Calendar

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 days)

Zone9b

Last FrostMar 10

First FrostNov 15

Season Length250 days

Days to Harvest45

Sunfull-to-part

Frost ToleranceHeavy

Spacing16/sqft (3" apart)

When to Plant Shepherd's Purse in Zone 9b

Sow Seeds Outdoors: Jan 27

Direct sow Shepherd's Purse seeds outdoors around Jan 27. Soil temperature should be at least 35°F. Space at 16/sqft (3" apart).

Harvest: Mar 13

First harvest approximately Mar 13 (~45 days from planting). Continue harvesting until first frost (Nov 15). Shepherd's Purse can overwinter in mild climates for continued harvest.

Fall Planting: Sep 20

For a fall harvest, plant Shepherd's Purse around Sep 20 (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.

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