Black-Eyed Susan illustration

Black-Eyed Susan Growing Guide

Asteraceae family

Days to Harvest75 days
SunlightFull Sun
Frost ToleranceModerate
Spacing12/sqft
Germination10-21 days
HardinessHardy
Germ. Temp70°F
Start Indoors8 weeks before last frost

Planting Dates by Zone

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

Frequently Asked Questions

How long does it take to grow Black-Eyed Susan?

Black-Eyed Susan takes approximately 75 days from planting to harvest.

How much sun does Black-Eyed Susan need?

Black-Eyed Susan requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Black-Eyed Susan?

Plant Black-Eyed Susan at 12/sqft using square foot gardening spacing.

Can Black-Eyed Susan survive frost?

Black-Eyed Susan is tolerant of moderate frost.

How long does Black-Eyed Susan take to germinate?

Black-Eyed Susan seeds germinate in 10-21 days at an optimal temperature of 70°F.

When should I start Black-Eyed Susan seeds indoors?

Start Black-Eyed Susan seeds indoors 8 weeks before your last frost date.

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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