When to Plant Zinnia in Lake Montezuma, Arizona (86342)
Location
Lake Montezuma, Arizona
ZIP Code
86342
USDA Zone
8a
Last Frost
Friday, March 20, 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 Lake Montezuma?
Get your seeds now so they're ready by Friday, March 27, 2026.
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Other Plants for Lake Montezuma
Growing Zinnia in Zone 8a
Zinnia (Zinnia elegans) is a popular garden vegetable. In Lake Montezuma, Arizona, which is in USDA Hardiness Zone 8a, you should direct sow seeds around Friday, March 27, 2026.
Your average last frost date is Friday, March 20, 2026. Zinnia grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.