When to Plant Spinach in Grand Isle, Maine (04746)
Location
Grand Isle, Maine
ZIP Code
04746
USDA Zone
4a
Last Frost
Friday, May 15, 2026
๐ Planting Calendar
Pro Tip: Sow Spinach directly outdoors 6 weeks before your last frost date.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Partial Shade to Full Sun
๐ง
Water
Regular (keep moist)
โ๏ธ
Spacing
6" apart
๐ฑ
Planting Depth
0.5" deep
Seeds typically germinate in 7-14 days
Ready to Plant Spinach in Grand Isle?
Get your seeds now so they're ready by Friday, April 3, 2026.
* Affiliate links โ we may earn a small commission at no extra cost to you.
๐ค Good Companions
Other Plants for Grand Isle
Growing Spinach in Zone 4a
Spinach (Spinacia oleracea) is a popular garden vegetable. In Grand Isle, Maine, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 3, 2026.
Your average last frost date is Friday, May 15, 2026. Spinach grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.