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When to Plant Watermelon in Centerport, New York (11721)

Location

Centerport, New York

ZIP Code

11721

USDA Zone

7b

Last Frost

Sunday, April 5, 2026

๐Ÿ“… Planting Calendar

Start Seeds Indoors Sunday, March 8, 2026
Transplant Outdoors Sunday, April 19, 2026

Pro Tip: Start Watermelon seeds indoors 4 weeks before your last frost date, then transplant outdoors around Sunday, April 19, 2026.

๐ŸŒฟ Plant Details

Scientific Name Citrullus lanatus
Days to Maturity 80 days
Mature Height 12-24"
Spread 72"
Type Vine
Fruit Size Large (10-30 lbs)

โ˜€๏ธ Growing Requirements

โ˜€๏ธ

Sun

Full Sun (8+ hours)

๐Ÿ’ง

Water

Regular (1-2 inches/week)

โ†”๏ธ

Spacing

72" apart

๐ŸŒฑ

Planting Depth

1" deep

Seeds typically germinate in 4-12 days

Ready to Plant Watermelon in Centerport?

Get your seeds now so they're ready by Sunday, March 8, 2026.

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๐Ÿค Good Companions

CornSunflowerMarigold

โš ๏ธ Avoid Planting Near

Potato
See the full companion planting guide for Watermelon โ†’

Other Plants for Centerport

Growing Watermelon in Zone 7b

Watermelon (Citrullus lanatus) is a popular garden vegetable. In Centerport, New York, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, March 8, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Watermelon seedlings outdoors around Sunday, April 19, 2026, about 2 weeks after your last frost date.