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When to Plant Watermelon in Waterflow, New Mexico (87421)

Location

Waterflow, New Mexico

ZIP Code

87421

USDA Zone

7a

Last Frost

Friday, April 10, 2026

๐Ÿ“… Planting Calendar

Start Seeds Indoors Friday, March 13, 2026
Transplant Outdoors Friday, April 24, 2026

Pro Tip: Start Watermelon seeds indoors 4 weeks before your last frost date, then transplant outdoors around Friday, April 24, 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 Waterflow?

Get your seeds now so they're ready by Friday, March 13, 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 Waterflow

Growing Watermelon in Zone 7a

Watermelon (Citrullus lanatus) is a popular garden vegetable. In Waterflow, New Mexico, which is in USDA Hardiness Zone 7a, you should start seeds indoors around Friday, March 13, 2026.

Your average last frost date is Friday, April 10, 2026. Plan to transplant your Watermelon seedlings outdoors around Friday, April 24, 2026, about 2 weeks after your last frost date.