When to Plant Nasturtium in University Park, Illinois (60484)
Location
University Park, Illinois
ZIP Code
60484
USDA Zone
6a
Last Frost
Monday, April 20, 2026
๐ Planting Calendar
Pro Tip: Sow Nasturtium 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 to Partial Shade
๐ง
Water
Low (drought tolerant)
โ๏ธ
Spacing
12" apart
๐ฑ
Planting Depth
0.5" deep
Seeds typically germinate in 7-14 days
Ready to Plant Nasturtium in University Park?
Get your seeds now so they're ready by Monday, April 27, 2026.
* Affiliate links โ we may earn a small commission at no extra cost to you.
๐ค Good Companions
โ ๏ธ Avoid Planting Near
Other Plants for University Park
Growing Nasturtium in Zone 6a
Nasturtium (Tropaeolum majus) is a popular garden vegetable. In University Park, Illinois, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, April 27, 2026.
Your average last frost date is Monday, April 20, 2026. Nasturtium grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.