When to Plant Plum Tree in Spring Valley, California (91978)
Location
Spring Valley, California
ZIP Code
91978
USDA Zone
10b
Last Frost
Thursday, January 15, 2026
📅 Planting Calendar
Pro Tip: Sow Plum Tree directly outdoors 6 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Moderate (1 inch/week)
↔️
Spacing
180" apart
Ready to Plant Plum Tree in Spring Valley?
Get your seeds now so they're ready by Thursday, December 4, 2025.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Spring Valley
Growing Plum Tree in Zone 10b
Plum Tree (Prunus domestica) is a popular garden vegetable. In Spring Valley, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, December 4, 2025.
Your average last frost date is Thursday, January 15, 2026. Plum Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.