When to Plant Zinnia in Bonita, California (91908)
Location
Bonita, California
ZIP Code
91908
USDA Zone
10b
Last Frost
Thursday, January 15, 2026
๐ Planting Calendar
Pro Tip: Sow Zinnia directly outdoors 1 week after your last frost date โ it needs warm soil.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Full Sun (6-8 hours)
๐ง
Water
Moderate (1 inch/week)
โ๏ธ
Spacing
12" apart
๐ฑ
Planting Depth
0.25" deep
Seeds typically germinate in 5-10 days
Ready to Plant Zinnia in Bonita?
Get your seeds now so they're ready by Thursday, January 22, 2026.
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Other Plants for Bonita
Growing Zinnia in Zone 10b
Zinnia (Zinnia elegans) is a popular garden vegetable. In Bonita, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, January 22, 2026.
Your average last frost date is Thursday, January 15, 2026. Zinnia grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.