When to Plant Brussels Sprout in Oregon City, Oregon (97045)

Location

Oregon City, Oregon

ZIP Code

97045

USDA Zone

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, November 28, 2025

Transplant Outdoors Friday, February 20, 2026

Pro Tip: Start Brussels Sprout seeds indoors 12 weeks before your last frost date, then transplant outdoors around Friday, February 20, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. gemmifera

Days to Maturity 84 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

Ready to Plant Brussels Sprout in Oregon City?

Get your seeds now so they're ready by Friday, November 28, 2025.

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Growing Brussels Sprout in Zone 9a

Brussels Sprout (Brassica oleracea var. gemmifera) is a popular garden vegetable. In Oregon City, Oregon, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, November 28, 2025.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Brussels Sprout seedlings outdoors around Friday, February 20, 2026, about 0 weeks after your last frost date.