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When to Plant Rutabaga 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, September 25, 2025

Pro Tip: Rutabaga can be directly sown outdoors. Plant 14 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica napus var. napobrassica
Days to Maturity 90 days
Sun Requirements Full Sun (6+ hours)
Plant Spacing 8" apart

🤝 Companion Plants for Rutabaga

Good Companions

OnionGarlicPeaBean

Avoid Planting Near

TomatoPepper
See the full companion planting guide for Rutabaga →

Cities in Zone 13A

Other Plants for Zone 13A

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Growing Rutabaga in USDA Zone 13A

Rutabaga (Brassica napus var. napobrassica) 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. Rutabaga can be directly sown outdoors around Thursday, September 25, 2025.

Expect to harvest your Rutabaga approximately 90 days after planting.