📍 Gilroy, CA · Zone 9b · Last frost Tuesday, February 10, 2026
✏️ ChangeWhen to Plant Broccoli Raab in Gilroy, California (95021)
Location
Gilroy, California
ZIP Code
95021
USDA Zone
9b
Last Frost
Tuesday, February 10, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Tuesday, December 30, 2025
Based on last frost Tuesday, February 10, 2026 · Zone 9b
Pro tip: Sow Broccoli Raab directly outdoors 6 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1-2 inches/week)
↔️
Spacing
6" apart
🌱
Planting Depth
0.5" deep
Seeds typically germinate in 4-7 days
Ready to Plant Broccoli Raab in Gilroy?
Get your seeds now so they're ready by Tuesday, December 30, 2025.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Broccoli Raab
See which plants help Broccoli Raab thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🟡 ModerateWhen to Harvest Seed
Allow plants to flower fully and seed pods to turn tan and dry.
Processing
Thresh dried stalks, winnow to separate seeds from pod fragments.
Seed Viability
Up to 4 years when stored cool, dark, and dry.
Pro Tip
Brassica rapa — crosses with turnip, bok choy, and napa cabbage. Isolate by 300 feet.
Raised Bed Planting Guides
A 4×8 bed fits 4 per sq ft of Broccoli Raab. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Broccoli Raab in Gilroy, California? +
In Gilroy (Zone 9b), direct sow Broccoli Raab outdoors around Tuesday, December 30, 2025.
What is the last frost date for Gilroy, California? +
The average last spring frost date for Gilroy, California (ZIP 95021) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.
How long does Broccoli Raab take to grow? +
Broccoli Raab typically matures in about 60 days from direct sowing. In Gilroy, that means you can expect harvest around Tuesday, December 30, 2025 plus 60 days.
Should I start Broccoli Raab indoors or direct sow in California? +
Broccoli Raab does best when direct sown outdoors. In Gilroy, sow directly around Tuesday, December 30, 2025.
📚 More Broccoli Raab Planting Guides
Other Plants for Gilroy
Growing Broccoli Raab in Zone 9b
Broccoli Raab (Brassica rapa subsp. rapa) is a popular garden vegetable. In Gilroy, California, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, December 30, 2025.
Your average last frost date is Tuesday, February 10, 2026. Broccoli Raab grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.