Stevia illustration

Growing Stevia in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for Stevia in this zone. Last frost: Apr 28. First frost: Oct 8.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 3Oct 8

Season: Apr 28 – Oct 8 (163 days)

Zone5b
Last FrostApr 28
First FrostOct 8
Season Length163 days
Days to Harvest60
SunFull Sun
Frost ToleranceNone
Spacing12/sqft

When to Plant Stevia in Zone 5b

Start Seeds Indoors: Mar 3

Start Stevia seeds indoors around Mar 3 (8 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–21 days.

Transplant Outdoors: May 12

Transplant Stevia seedlings outdoors after May 12. Wait until soil temperature reaches 60°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.

Harvest: Jul 11

First harvest approximately Jul 11 (~60 days from transplant). Continue harvesting until first frost (Oct 8).

Frequently Asked Questions

When should I plant Stevia in Zone 5b?

Start Stevia seeds indoors around Mar 3. Transplant outdoors after May 12. Expect first harvest around Jul 11.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Stevia in Zone 5b?

Yes. Stevia needs 60 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

What is the best month to plant Stevia in Zone 5b?

The best time to start Stevia in Zone 5b is Mar. Begin seeds indoors around Mar 3, then transplant outdoors after the last frost date of Apr 28.

How long does Stevia take to harvest?

Stevia takes approximately 60 days from planting to harvest. In Zone 5b, expect your first harvest around Jul 11.

Plan Your Stevia Garden

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

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