When to Plant Black-eyed Susan in Fairbanks, Alaska (99708)

Location

Fairbanks, Alaska

ZIP Code

99708

USDA Zone

Last Frost

Monday, June 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, May 4, 2026

Pro Tip: Sow Black-eyed Susan directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Rudbeckia hirta

Days to Maturity 85 days

Mature Height 18-36"

Spread 18"

Type Annual/Perennial

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low (drought tolerant)

↔️

Spacing

18" apart

🌱

Planting Depth

0.13" deep

Seeds typically germinate in 7-14 days

Ready to Plant Black-eyed Susan in Fairbanks?

Get your seeds now so they're ready by Monday, May 4, 2026.

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Other Plants for Fairbanks

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Growing Black-eyed Susan in Zone 2a

Black-eyed Susan (Rudbeckia hirta) is a popular garden vegetable. In Fairbanks, Alaska, which is in USDA Hardiness Zone 2a, you should direct sow seeds around Monday, May 4, 2026.

Your average last frost date is Monday, June 1, 2026. Black-eyed Susan grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.