Water Melon Crimson Sweet. A very productive variety producing large round melons averaging 7 to 10 kilos approx., which are oval, light green with dark green stripes. The fruit has very sweet flesh that is brilliant red and practically seedless. Good disease resistance. Ready for harvest about 85 days after seeding in warm conditions. Can be grown outside in a warm, sheltered and sunny location, but for the most reliable crops under glass is best.