When should I plant Mustard Greens in Zone 1a?

Direct sow Mustard Greens outdoors around Apr 27. Harvest around Jun 11.

What is the last frost date for Zone 1a?

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

Can I grow Mustard Greens in Zone 1a?

Yes. Mustard Greens needs 45 days to harvest. Zone 1a has a 95-day growing season, which is sufficient. You can plant up to 3 successions.

Growing Mustard Greens in Zone 1a

Zone 1a has harsh winters and a short growing season. Start Mustard Greens early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.

Planting Calendar

Outdoor

Harvest

Apr 27Aug 28

Season: May 25 – Aug 28 (95 days) · Succession: plant every 2 weeks (up to 3x)

Zone1a

Last FrostMay 25

First FrostAug 28

Season Length95 days

Days to Harvest45

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Mustard Greens in Zone 1a

Sow Seeds Outdoors: Apr 27

Direct sow Mustard Greens seeds outdoors around Apr 27. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).

Harvest: Jun 11

First harvest approximately Jun 11 (~45 days from planting). Continue harvesting until first frost (Aug 28).

Fall Planting: Jul 17

For a fall harvest, plant Mustard Greens around Jul 17 (6 weeks before first frost).

Mustard Greens 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 Mustard Greens Garden

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

Start Free Mustard Greens Growing Guide