Watermelon Seeds, Heirloom Black Diamond

Citrullus lanatus

$2.49

Sale Sold out

1 5

Watermelon Seeds, Heirloom Black Diamond

Citrullus lanatus

$2.49

Sale Sold out

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Product Information

Black Diamond Heirloom Watermelon grows on tough, vigorous vines.

Black Diamond Watermelon fruits can average 30-50 pounds, with some reaching up to 125 pounds! This watermelon variety has dark, blue-green thick rinds which protect the sweet, firm bright-red flesh. Widely used throughout the South.

Sku: 4169

Vendor: Ferry-Morse

Growing Information

Safe
for Bees

Grows
Best In:

Full Sun

Days to
Germination:

6-8 Days

Days to
Maturity:

75-95 Days

Key Features

Botanical Name: Citrullus lanatus

Flavor: Crisp, juicy, and sweet.

Preparation Ideas: Perfect for a refreshing summer slice.

Plant Type: Fruit

Fill Weight (grams): 2.5

Growth Type: Vine

Instructions

Start Black Diamond Heirloom Watermelon seeds indoors 4 weeks before transplanting outdoors. Take care not to disturb roots when transplanting. Or, sow a few seeds over a hill 9"-12" tall and 2' across. When plants are 3" tall, thin by cutting to 3 plants per hill. Use a balanced fertilizer to increase yield.

Planting Depth: 1"

Seed Spacing: Sow Black Diamond Heirloom Watermelon seeds roughly 8' apart, keeping rows approximately 6' apart.

Suggestions

Choose a site with good drainage, good air circulation and full sun. Watermelon is ready to harvest when skin on underside turns yellow and a thump with your knuckles produces a hollow sound.