Black-Eyed Susan illustration

Growing Black-Eyed Susan in Zone 6b

Zone 6b has mild winters and a long growing season — good conditions for Black-Eyed Susan. Last frost: Apr 15. First frost: Oct 22.

Planting Calendar

Indoor
Outdoor
Harvest
Feb 18Oct 22

Season: Apr 15 – Oct 22 (190 days)

Zone6b
Last FrostApr 15
First FrostOct 22
Season Length190 days
Days to Harvest75
SunFull Sun
Frost ToleranceModerate
Spacing12/sqft

When to Plant Black-Eyed Susan in Zone 6b

Start Seeds Indoors: Feb 18

Start Black-Eyed Susan seeds indoors around Feb 18 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 10–21 days.

Transplant Outdoors: Apr 15

Transplant Black-Eyed Susan seedlings outdoors after Apr 15. Wait until soil temperature reaches 55°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.

Harvest: Jul 14

First harvest approximately Jul 14 (~90 days from transplant). Continue harvesting until first frost (Oct 22). Black-Eyed Susan can overwinter in mild climates for continued harvest.

Frequently Asked Questions

When should I plant Black-Eyed Susan in Zone 6b?

Start Black-Eyed Susan seeds indoors around Feb 18. Transplant outdoors after Apr 15. Expect first harvest around Jul 14.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Black-Eyed Susan in Zone 6b?

Yes. Black-Eyed Susan needs 75 days to harvest. Zone 6b has a 190-day growing season, which is sufficient.

What is the best month to plant Black-Eyed Susan in Zone 6b?

The best time to start Black-Eyed Susan in Zone 6b is Feb. Begin seeds indoors around Feb 18, then transplant outdoors after the last frost date of Apr 15.

How long does Black-Eyed Susan take to harvest?

Black-Eyed Susan takes approximately 75 days from planting to harvest. In Zone 6b, expect your first harvest around Jul 14.

Plan Your Black-Eyed Susan Garden

Track Black-Eyed Susan from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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