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Zone 8 · Black-Eyed Susan

Planting Black-Eyed Susan in Zone 8

Rudbeckia hirta

Black-Eyed Susan thrives in zone 8 (hardy 39)

Can I plant today?

✅ Safe to plant Black-Eyed Susan outside

Last frost has passed. Plant transplants after last frost. Drought tolerant once established.

Evaluated for April 27, 2026 ·

Zone's last frost

around March 15

Zone's first frost

around November 15

Bloom window

July – October

Peak bloom

August

Sun required

full sun, part sun

Mature height

28"

Spacing

18" apart

Type

perennial

How to plant Black-Eyed Susan in zone 8

Plant transplants after last frost. Drought tolerant once established.

Pair with these for continuous bloom

Black-Eyed Susan peaks in August. These companions keep your bed in color before and after.

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