How to Grow Black-eyed Susan

Ready to grow Black-eyed Susan?

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🛠️ Supplies You'll Need

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Find Your Black-eyed Susan Planting Dates

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🌿 Plant Overview

Scientific Name Rudbeckia hirta

Category flower

Type Annual/Perennial

Days to Maturity 85 days

Starting Method Direct Sow

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low (drought tolerant)

↔️

Spacing

18" apart

🌱

Depth

0.13" deep

📏

Height

18-36"

🌱

Germination

7-14 days

Ready to Grow Black-eyed Susan?

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🤝 Good Companions

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Black-eyed Susan Planting Calendar by Zone

Black-eyed Susan Planting Calendar by State

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Frequently Asked Questions

When should I plant Black-eyed Susan? +

Sow Black-eyed Susan seeds directly in the garden 4 weeks before your last frost date. Use the search on this page to find exact dates for your location.

How long does Black-eyed Susan take to grow? +

Black-eyed Susan typically matures in about 85 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Should I start Black-eyed Susan indoors or direct sow? +

Black-eyed Susan does best when direct sown outdoors. Plant seeds directly in the garden at the appropriate time based on your local frost dates.

How much sun does Black-eyed Susan need? +

Black-eyed Susan requires full sun (6-8 hours) to thrive.

How far apart should I plant Black-eyed Susan? +

Space Black-eyed Susan plants 18 inches apart to allow adequate airflow and root development.

How much water does Black-eyed Susan need? +

Black-eyed Susan has low (drought tolerant) water needs. Consistent moisture is important especially during germination and early growth.

About Black-eyed Susan

Native American wildflower with golden-yellow petals and dark brown centers. Extremely drought-tolerant and long-blooming. Attracts bees, butterflies, and finches.

Expect your Black-eyed Susan to be ready for harvest in approximately 85 days from planting.

Use the search above or browse by zone or state to find the perfect planting dates for your location.