Watermelon, Black Diamond Heirloom Seeds

Citrullus lanatus

$2.49

Sale Sold out

1 9

Watermelon, Black Diamond Heirloom Seeds

Citrullus lanatus

$2.49

Sale Sold out

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Product Information

Black Diamond Heirloom Watermelon seeds grow into tough, vigorous vines that produce heavy fruit.

Black Diamond Watermelon fruits average 30 to 50 pounds, with some reaching up to 125 pounds!

This watermelon variety has dark, blue-green thick rinds that protect the sweet, firm, bright-red flesh. These fruit seeds are widely used throughout the Southern United States. With a deep, rich flavor and vibrant color, these watermelons are not just fruits; they're Nature's sweetest treasure!

Sku: 4169R

Vendor: Ferry-Morse

Common Name: Watermelon

Growing Information

Safe
for Bees

Grows
Best In:

Full Sun

Days to
Germination:

6 - 8 Days

Days to
Maturity:

75 - 95 Days

Growing Height:

4 - 8"

Water
Needs:

Moist (2 in / week)

Key Features

Characteristics: Attracts Bees

Botanical Name: Citrullus lanatus

Fill Weight (grams): 2

Flavor: Crisp, juicy, and sweet.

Preparation Ideas: Perfect for a refreshing summer slice.

Plant Type: Fruit

Plant Lifecycle: Annual

Approximate Seed Count: 5 - 15

Landscape Use: Edible Garden

Growth Type: Vining

Growing Season(s): Spring|Summer

Harvest/Bloom Season(s): Spring|Summer

Package Dimensions: 3.25 x 4.5"

Shipping

Free shipping is available on all orders over $50. Orders under $50 have a shipping rate of $7.99, and seed-only orders have a shipping rate of $2.99. Most orders are shipped within 2 business days of purchase. However, live plants and embroidered items may take 2-7 business days to ship, depending on the day of the week you place your order. For more information, please click here to review our shipping & returns policy.

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.

Nutrient Care Instructions: Apply SUPERthrive once per week. Soak in solution of 1/4 tsp per gal for 15 min. or longer depending on size and type.

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.