Black-Eyed Susan illustration

Growing Black-Eyed Susan in Zone 8b

Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Black-Eyed Susan. Last frost: Mar 22. First frost: Nov 10.

Planting Calendar

Indoor
Outdoor
Harvest
Jan 25Nov 10

Season: Mar 22 – Nov 10 (233 days)

Zone8b
Last FrostMar 22
First FrostNov 10
Season Length233 days
Days to Harvest75
SunFull Sun
Frost ToleranceModerate
Spacing12/sqft

When to Plant Black-Eyed Susan in Zone 8b

Start Seeds Indoors: Jan 25

Start Black-Eyed Susan seeds indoors around Jan 25 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 10–21 days.

Transplant Outdoors: Mar 22

Transplant Black-Eyed Susan seedlings outdoors after Mar 22. Wait until soil temperature reaches 55°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.

Harvest: Jun 20

First harvest approximately Jun 20 (~90 days from transplant). Continue harvesting until first frost (Nov 10). Black-Eyed Susan can overwinter in mild climates for continued harvest.

Frequently Asked Questions

When should I plant Black-Eyed Susan in Zone 8b?

Start Black-Eyed Susan seeds indoors around Jan 25. Transplant outdoors after Mar 22. Expect first harvest around Jun 20.

What is the last frost date for Zone 8b?

The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.

Can I grow Black-Eyed Susan in Zone 8b?

Yes. Black-Eyed Susan needs 75 days to harvest. Zone 8b has a 233-day growing season, which is sufficient.

What is the best month to plant Black-Eyed Susan in Zone 8b?

The best time to start Black-Eyed Susan in Zone 8b is Jan. Begin seeds indoors around Jan 25, then transplant outdoors after the last frost date of Mar 22.

How long does Black-Eyed Susan take to harvest?

Black-Eyed Susan takes approximately 75 days from planting to harvest. In Zone 8b, expect your first harvest around Jun 20.

Plan Your Black-Eyed Susan Garden

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

Start Free Black-Eyed Susan Growing Guide