Watermelon 'Black Diamond'
Black Diamond is part of the Citrullus genus and is a Watermelon variety. Its scientific name is Citrullus lanatus 'Black Diamond'. Black Diamond is a heirloom (open pollinated) variety. Black Diamond grows as an Annual and is a Fruit. Being an Annual, it tends to grow best over the course of a single year. Black Diamond normally grows to a max height of 1.46 feet (45.0 cm metric). This variety tends to bloom in late spring.
Black Diamond Watermelon needs a moderate amount of maintenance, so some level of previous experience comes in handy when growing this plant. Ensure that you are aware of the soil, sun, ph and water requirements for this plant and keep an eye out for pests.
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How to grow Watermelon 'Black Diamond'
Average Water Needs; Water regularly; do not overwater.Keep in mind when planting that Black Diamond is thought of as tender, so it is really important to ensure that the outside temperature is well above freezing before planting or moving outdoors. Use USDA Hardiness Zone 4 - 9 as your guideline for the appropriate climate for this plant. Black Diamond tends to grow best in a soil ph of between 6.5 and 7.5 meaning it does best in weakly acidic soil - weakly alkaline soil.
Growing Black Diamond from seed
Transplanting Black Diamond
From seed; direct sow after last frost
OR start inside 3-4 weeks before last frost.
Harvesting Black Diamond
Watermelon 'Black Diamond' information
How long does Black Diamond take to grow?
These estimates for how long Watermelon 'Black Diamond' takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!