When to Plant Rutabaga in Pasadena, California (91105)

Location

Pasadena, California

ZIP Code

91105

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, October 19, 2025

Pro Tip: Sow Rutabaga directly outdoors 14 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica napus var. napobrassica

Days to Maturity 90 days

Mature Height 18-24"

Spread 8"

Type Root

Fruit Size Medium-Large (3-5 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

8" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Rutabaga in Pasadena?

Get your seeds now so they're ready by Sunday, October 19, 2025.

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🤝 Good Companions

OnionGarlicPeaBean

⚠️ Avoid Planting Near

TomatoPepper

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Growing Rutabaga in Zone 10a

Rutabaga (Brassica napus var. napobrassica) is a popular garden vegetable. In Pasadena, California, which is in USDA Hardiness Zone 10a, you should direct sow seeds around Sunday, October 19, 2025.

Your average last frost date is Sunday, January 25, 2026. Rutabaga grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.