When to Plant Hollyhock in Presque Isle, Michigan (49777)

Location

Presque Isle, Michigan

ZIP Code

49777

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, March 9, 2026

Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Hollyhock seeds indoors 6 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

🌿 Plant Details

Scientific Name Alcea rosea

Days to Maturity 365 days

Mature Height 48-96"

Spread 24"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 10-14 days

Ready to Plant Hollyhock in Presque Isle?

Get your seeds now so they're ready by Monday, March 9, 2026.

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Growing Hollyhock in Zone 6a

Hollyhock (Alcea rosea) is a popular garden vegetable. In Presque Isle, Michigan, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, March 9, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Hollyhock seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.