Shepherd's Purse illustration

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).

Frequently Asked Questions

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.

What is the best month to plant Shepherd's Purse in Zone 9b?

The best time to plant Shepherd's Purse in Zone 9b is around Jan 27, when soil temperatures are suitable and frost risk has passed.

How long does Shepherd's Purse take to harvest?

Shepherd's Purse takes approximately 45 days from planting to harvest. In Zone 9b, expect your first harvest around Mar 13.

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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