When and how harvesting is done in Holy Basil?

Basil crop will be ready for first harvest after 3 months of planting. Subsequent harvesting should be carried out for every 70 to 75 days interval. By using any sharp object, cut the crop 20 cm above the ground level. Avoid harvesting the crop in case there was rain on the previous day. Make sure to harvest at full-bloom stage for better yield of oil and quality. Harvest only on sunny days.