Black Diamond Watermelon

Black Diamond Watermelon

Description:
The Black Diamond Watermelon is an heirloom variety known for its thick, dark green rind and massive size — often reaching 50 pounds or more! It’s famous for producing dense, juicy red flesh with an old-fashioned, sugary taste.

Days to Fruit:
90–95 days.

How to Care for in Texas:
Sow seeds in spring when frost danger is past and soil is warm. Give vines plenty of room — they can sprawl over large spaces. Use drip irrigation or soaker hoses to avoid wetting leaves. Black Diamond’s thick rind helps it withstand Texas heat and sun.

Why Choose Black Diamond:
Its thick rind resists cracking and sunburn, extending shelf life. The size and classic taste make it a showstopper at gatherings.

Taste:
Deep red flesh that’s intensely sweet and refreshing.

Country of Origin:
United States — developed in Arkansas in the 1940s.

USDA Zones:
Zones 3–10.

Culinary Uses:
Perfect for fresh slicing, summer picnics, and seed-spitting contests! Also great for watermelon punch or granita.