When to Plant Avocado Tree in Markham, Illinois (60428)
Location
Markham, Illinois
ZIP Code
60428
USDA Zone
6a
Last Frost
Monday, April 20, 2026
๐ Planting Calendar
Pro Tip: Sow Avocado Tree directly outdoors 4 weeks 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
Regular (1-2 inches/week)
โ๏ธ
Spacing
240" apart
๐ฑ
Planting Depth
2" deep
Seeds typically germinate in 21-42 days
Ready to Plant Avocado Tree in Markham?
Get your seeds now so they're ready by Monday, May 18, 2026.
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Other Plants for Markham
Growing Avocado Tree in Zone 6a
Avocado Tree (Persea americana) is a popular garden vegetable. In Markham, Illinois, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, May 18, 2026.
Your average last frost date is Monday, April 20, 2026. Avocado Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.