Watermelon Seeds - Black Diamond

Watermelon Seeds - Black Diamond

Size Price Savings Quantity
Packet $4.79
1 Ounce $11.59
1/4 Pound $26.29 43% Savings
1 Pound $60.89 67% Savings
5 Pounds $209.99 ($2.62/ounce) 77% Savings
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  • Striated green rind with delicious red flesh
  • Striated Green Rind and Juicy, Flavorful Red Flesh
  • Abundant Producer; Tough Skin with Large Leaves That Help to Prevent Sunburn
  • Prefers Full Sun Exposure and Warm Weather
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Life Cycle Annual
Planting Season Warm Season
Fruit Size 50+ pounds
Growth Habit Vining

Flavor Profile Very Sweet; Slightly Tangy; Juicy and Crisp
Plant Characteristics Fast Growing
Use Culinary
Growing Conditions Outdoor
Harvest Advantages Slicing

About Watermelon Seeds - Black Diamond

Citrullus lanatus

Seed Type Heirloom Seed

Black Diamond is one of the truly great watermelon varieties for both home gardeners and market growers. The rind of the fruit is a striated green, and the flesh is a delicious red. Black diamond routinely produces watermelons in the 50 pound range, but some can grow as large as 75 pounds! We highly recommend Black Diamond to rookie and veteran gardeners alike.

Planting Information

Planting Watermelon Seeds - Black Diamond

Planting Season Warm Season
Sowing Method Direct Sow, Start Indoors
Light Requirement Full Sun
Planting Depth 1 inch
Plant Spacing 36 to 48 inches
Water Needs High
Hardiness Zones 3, 4, 5, 6, 7, 8, 9, 10
Days to Maturity 60 to 90 days
View our Watermelon Planting Guide to learn more.


Amount Avg Seed Count
Packet 21
1 Ounce 202
1/4 Pound 808
1 Pound 3,232
5 Pounds 16,160

Companions Plants

Companion Plants for Watermelon Seeds - Black Diamond