Black-Eyed Susan illustration

Growing Black-Eyed Susan in Zone 7b

Zone 7b has mild winters and a long growing season — good conditions for Black-Eyed Susan. Last frost: Apr 10. First frost: Nov 7.

Planting Calendar

Indoor
Outdoor
Harvest
Feb 13Nov 7

Season: Apr 10 – Nov 7 (211 days)

Zone7b
Last FrostApr 10
First FrostNov 7
Season Length211 days
Days to Harvest75
SunFull Sun
Frost ToleranceModerate
Spacing12/sqft

When to Plant Black-Eyed Susan in Zone 7b

Start Seeds Indoors: Feb 13

Start Black-Eyed Susan seeds indoors around Feb 13 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 10–21 days.

Transplant Outdoors: Apr 10

Transplant Black-Eyed Susan seedlings outdoors after Apr 10. Wait until soil temperature reaches 55°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.

Harvest: Jul 9

First harvest approximately Jul 9 (~90 days from transplant). Continue harvesting until first frost (Nov 7). Black-Eyed Susan can overwinter in mild climates for continued harvest.

Frequently Asked Questions

When should I plant Black-Eyed Susan in Zone 7b?

Start Black-Eyed Susan seeds indoors around Feb 13. Transplant outdoors after Apr 10. Expect first harvest around Jul 9.

What is the last frost date for Zone 7b?

The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.

Can I grow Black-Eyed Susan in Zone 7b?

Yes. Black-Eyed Susan needs 75 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.

What is the best month to plant Black-Eyed Susan in Zone 7b?

The best time to start Black-Eyed Susan in Zone 7b is Feb. Begin seeds indoors around Feb 13, then transplant outdoors after the last frost date of Apr 10.

How long does Black-Eyed Susan take to harvest?

Black-Eyed Susan takes approximately 75 days from planting to harvest. In Zone 7b, expect your first harvest around Jul 9.

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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