Watering-Water regularly to keep the soil moist, but not soggy.Pests-Pests first appear as white powdery residue primarily on the upper leaf surface. On the lower surface of the leaves, circular patches or spots appear. In severe cases, these spread, coalesce and cover both the surfaces of the leaves and spread also to the petioles, stem, etc. Some of the types attacking are fungal diseases like powdery mildew and downy mildew, watermelon mosaic virus, rots, fruit flies etc.Soil-Bitter gourd grows best in organically rich, sandy or loamy soil that drains well. A well drained soil with a pH ranging between 6.5-7.5, enriched with organic matter, such as compost or dried manure.Spot-Select a warm, sunny planting location. Provide full sun to this vine; at least 6 hours of sunlight.Temperature-Seeds require the temperature above 70°F (20°C) for germination.Sow seeds in holes about a half - inch deep (1.25 cm) and spaced 12 inches (30 cm) apart. Sow two seeds in each hole.Seeds germinate in 8 to 10 days, though it is sensitive to temperature changes.Add a rope to support the young plant.Prune away the growing tip when it reaches the top of the trellis. As a result, the plant will produce a greater number of flowers and fruit sooner.