When should I plant Shepherd's Purse in Zone 1b?

Direct sow Shepherd's Purse outdoors around Apr 13. Harvest around May 28.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Shepherd's Purse in Zone 1b?

Yes. Shepherd's Purse needs 45 days to harvest. Zone 1b has a 95-day growing season, which is sufficient.

Growing Shepherd's Purse in Zone 1b

Zone 1b has harsh winters and a short growing season. Start Shepherd's Purse early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.

Planting Calendar

Outdoor

Harvest

Apr 13Aug 28

Season: May 25 – Aug 28 (95 days)

Zone1b

Last FrostMay 25

First FrostAug 28

Season Length95 days

Days to Harvest45

Sunfull-to-part

Frost ToleranceHeavy

Spacing16/sqft (3" apart)

When to Plant Shepherd's Purse in Zone 1b

Sow Seeds Outdoors: Apr 13

Direct sow Shepherd's Purse seeds outdoors around Apr 13. Soil temperature should be at least 35°F. Space at 16/sqft (3" apart).

Harvest: May 28

First harvest approximately May 28 (~45 days from planting). Continue harvesting until first frost (Aug 28). Shepherd's Purse can overwinter in mild climates for continued harvest.

Fall Planting: Jul 3

For a fall harvest, plant Shepherd's Purse around Jul 3 (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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