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When to Plant Sunflower in Commerce Township, Michigan (48382)

Location

Commerce Township, Michigan

ZIP Code

48382

USDA Zone

6a

Last Frost

Monday, April 20, 2026

๐Ÿ“… Planting Calendar

Direct Sow Outdoors Monday, April 27, 2026

Pro Tip: Sow Sunflower directly outdoors 1 week after your last frost date โ€” it needs warm soil.

๐ŸŒฟ Plant Details

Scientific Name Helianthus annuus
Days to Maturity 80 days
Mature Height 36-96"
Spread 24"
Type Annual

โ˜€๏ธ Growing Requirements

โ˜€๏ธ

Sun

Full Sun (6-8 hours)

๐Ÿ’ง

Water

Low-Moderate (1 inch/week)

โ†”๏ธ

Spacing

18" apart

๐ŸŒฑ

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Sunflower in Commerce Township?

Get your seeds now so they're ready by Monday, April 27, 2026.

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๐Ÿค Good Companions

CornCucumberSquash

โš ๏ธ Avoid Planting Near

PotatoFennel

Other Plants for Commerce Township

Growing Sunflower in Zone 6a

Sunflower (Helianthus annuus) is a popular garden vegetable. In Commerce Township, Michigan, 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. Sunflower grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.