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When to Plant Black-eyed Susan in Zone 13A

USDA Zone

13A

Cities Covered

2

Avg Last Frost

Thursday, January 1, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 13A

Direct Sow Outdoors Thursday, December 4, 2025

Pro Tip: Black-eyed Susan can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Rudbeckia hirta
Days to Maturity 85 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 18" apart

Cities in Zone 13A

Other Plants for Zone 13A

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Growing Black-eyed Susan in USDA Zone 13A

Black-eyed Susan (Rudbeckia hirta) grows well in USDA Hardiness Zone 13A. This zone includes cities like Keauhou, M C B H Kaneohe Bay.

The average last frost date for Zone 13A is around Thursday, January 1, 2026. Black-eyed Susan can be directly sown outdoors around Thursday, December 4, 2025.

Expect to harvest your Black-eyed Susan approximately 85 days after planting.