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Growing Lemongrass in Zone 1b

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

Season Too Short

Lemongrass needs 120 days to harvest, but Zone 1b has only a 95-day growing season. Consider short-season varieties or season extension techniques (cold frames, row covers).

Zone1b
Last FrostMay 25
First FrostAug 28
Season Length95 days
Days to Harvest120
SunFull Sun
Frost ToleranceNone
Spacing24/sqft

When to Plant Lemongrass in Zone 1b

Start Seeds Indoors: Mar 30

Start Lemongrass seeds indoors around Mar 30 (8 weeks before last frost). Optimal germination temperature: 80°F. Germinates in 14–21 days.

Transplant Outdoors: Jun 15

Transplant Lemongrass seedlings outdoors after Jun 15. Wait until soil temperature reaches 65°F. Space plants at 24/sqft. Harden off plants for a week before moving outside.

Harvest: Aug 29

First harvest approximately Aug 29 (~75 days from transplant). Continue harvesting until first frost (Aug 28).

Frequently Asked Questions

When should I plant Lemongrass in Zone 1b?

Start Lemongrass seeds indoors around Mar 30. Transplant outdoors after Jun 15. Expect first harvest around Aug 29.

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 Lemongrass in Zone 1b?

Zone 1b has a 95-day growing season, which may be too short for Lemongrass (120 days needed). Consider short-season varieties or season extension techniques.

What is the best month to plant Lemongrass in Zone 1b?

The best time to start Lemongrass in Zone 1b is Mar. Begin seeds indoors around Mar 30, then transplant outdoors after the last frost date of May 25.

How long does Lemongrass take to harvest?

Lemongrass takes approximately 120 days from planting to harvest. In Zone 1b, expect your first harvest around Aug 29.

Plan Your Lemongrass Garden

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

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