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Giant oval-shaped watermelon with fruits up to 45-50 lb. Deep, dark green skin with red, juicy sweet flesh. Ready to harvest in about 90 days
Sow directly into soil that's at least 70°F. For a head start in cooler climates, start indoors 2-4 weeks before transplanting outdoors. Do not disturb tender roots when transplanting. Thin down to 2-3 plants per hill. Keep soil moist but well-drained. Allow plenty of room for vines to spread.
| Black Diamond Watermelon Seeds Growing Details | |
|---|---|
| Botanical Name | Citrullus lanatus |
| Plant Spacing | 6’ |
| Planting Depth | 1/2” |
| Spread | 6’ |
| Height | 6’ |
| Germination Temp | 70-80°F |
| Light Required | Full Sun |
| Life Cycle | Annual |
| Days to Germination | 5-10 |
| Days to Maturity | 85-95 |
| Planting Zone | 3-13 |
| Flower Form | Single |
| Growth Rate | Medium |
| Growing Season | Spring, Summer |
| Harvest/Blooming Season | Summer |