When to Plant Hollyhock in North Branch, New York (12766)

Location

North Branch, New York

ZIP Code

12766

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, March 14, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Hollyhock seeds indoors 6 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 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 North Branch?

Get your seeds now so they're ready by Saturday, March 14, 2026.

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Growing Hollyhock in Zone 5b

Hollyhock (Alcea rosea) is a popular garden vegetable. In North Branch, New York, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, March 14, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Hollyhock seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.