Watermelon 'Black Diamond'

Average Water Needs; Water regularly; do not overwater.

Watermelons grow best in warm weather and sandy soils.

Plant in a location that enjoys full sun and remember to water moderately. 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. 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.

Look to ensure a distance 8.12 feet (2.50 metres) between seeds when sowing - bury at a depth of at least 0.39 inches (1.0 cm) deep. Soil temperature should be kept higher than 16°C / 61°F to ensure good germination.

From seed; direct sow after last frost OR start inside 3-4 weeks before last frost.

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Black Diamond is a tender plant.

This variety tends to be ready for harvesting by late summer.

watermelon