Description
20 Seeds per pack
(Citrullus lanatus) 95 days. Black Diamond Open Pollinated Watermelon is a large melon with a glossy, solid black green rind. Flesh is red and juicy, a hardy midseason variety. Black Diamond is great for the home heirloom garden.
Planting Instructions for Black Diamond Watermelon Seeds
Black Diamond Watermelon are heat loving plants that prefer well drained loose soil and an even amount of water. Plant heirloom watermelon in rows or hills but make sure the soil is well warmed. In cooler climates, you can start watermelon seeds indoors 2-4 wks. before last frost to extend the growing season. Plant seeds ½ – 1″ deep. Plant seeds or set out heirloom watermelon transplants in full sun. For rows plant 6-12″ apart, in rows 6-10′ apart. For hills plant 4-6 seeds per hill, in 1′ diameter hills, with hills 6-10′ apart. Germination should occur in 3-10 days in soil 70-85°F. In hills thin to 2 plants per hill. In rows thin plants to or set out transplants 24-36″ apart. Harvest heirloom watermelon when fruit sounds hollow when thumped, when surface color turns dull, or underside turns yellow.
FAQ:
How long does it take for Black Diamond Watermelons to mature?
Black Diamond Watermelons mature in about 95 days.
What are the characteristics of Black Diamond Watermelons?
Black Diamond Watermelons are large, with a glossy, solid black-green rind. They have red, juicy flesh and are a hardy midseason variety, ideal for home heirloom gardens.
What are the planting instructions for Black Diamond Watermelon seeds?
Plant seeds ½–1″ deep in loose, well-drained soil. For rows, space plants 6-12″ apart with rows 6-10′ apart. For hills, plant 4-6 seeds per hill in 1′ diameter hills spaced 6-10′ apart, then thin to 2 plants per hill after germination.
How can I extend the growing season for Black Diamond Watermelons in cooler climates?
Start seeds indoors 2-4 weeks before the last frost, and transplant seedlings to the garden when the soil is warm.
How do I know when Black Diamond Watermelons are ready to harvest?
Harvest when the fruit sounds hollow when thumped, the surface color turns dull, or the underside of the melon turns yellow.
Darrell cochran (verified owner) –
want to try’ but way too early
Trudy Wang (verified owner) –
ditto
jody (verified owner) –