📍 Mount Wilson, CA · Zone 9a · Last frost Friday, February 20, 2026
✏️ ChangeWhen to Plant Pole Pea in Mount Wilson, California (91023)
Location
Mount Wilson, California
ZIP Code
91023
USDA Zone
9a
Last Frost
Friday, February 20, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Friday, January 9, 2026
Based on last frost Friday, February 20, 2026 · Zone 9a
Pro tip: Sow Pole Pea directly outdoors 6 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun to Partial Shade
💧
Water
Regular (1 inch/week)
↔️
Spacing
3" apart
🌱
Planting Depth
1" deep
Seeds typically germinate in 5-10 days
Ready to Plant Pole Pea in Mount Wilson?
Get your seeds now so they're ready by Friday, January 9, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Pole Pea
See which plants help Pole Pea thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🟢 EasyWhen to Harvest Seed
Let pods dry and rattle on the vine before harvesting for seed.
Processing
Shell dried pods, spread seeds to dry 1–2 weeks before storing.
Seed Viability
Up to 3 years when stored cool, dark, and dry.
Pro Tip
Self-pollinating before flowers open — very reliable for pure seed saving.
Raised Bed Planting Guides
A 4×8 bed fits 16 per sq ft of Pole Pea. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Pole Pea in Mount Wilson, California? +
In Mount Wilson (Zone 9a), direct sow Pole Pea outdoors around Friday, January 9, 2026.
What is the last frost date for Mount Wilson, California? +
The average last spring frost date for Mount Wilson, California (ZIP 91023) is around Friday, February 20, 2026. This is based on NOAA climate normals for USDA Zone 9a.
How long does Pole Pea take to grow? +
Pole Pea typically matures in about 70 days from direct sowing. In Mount Wilson, that means you can expect harvest around Friday, January 9, 2026 plus 70 days.
Should I start Pole Pea indoors or direct sow in California? +
Pole Pea does best when direct sown outdoors. In Mount Wilson, sow directly around Friday, January 9, 2026.
📚 More Pole Pea Planting Guides
Other Plants for Mount Wilson
Growing Pole Pea in Zone 9a
Pole Pea (Pisum sativum) is a popular garden vegetable. In Mount Wilson, California, which is in USDA Hardiness Zone 9a, you should direct sow seeds around Friday, January 9, 2026.
Your average last frost date is Friday, February 20, 2026. Pole Pea grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.