The easiest to keep alive - Cactus thrive on neglect! Coming from desert climates cactus love sun! However beware of the Indian afternoon sun! Keeping them in extreme heat, especially behind a glass which magnifies the heat can cause the cactus to burn. If you notice the cactus turning brown or yellow on the side facing the sun, try giving it a cooler place to thrive in!
For watering cacti, the golden rule is to make sure the soil is completely dry before watering! This will stop the roots from rotting. It is advised to always use a pot with a drainage hole so that excess water can get drained out. If kept in a sunny area, you will need to water it once every week. If it is in a semi shaded or filtered light area, you might need to water it once in 2 weeks.
Cacti like soil that is well aerated and fast draining. You can fertilise the cactus in the summer months when it is in its growing season. During the winters it is best to cut back on any fertiliser and let the plant rest.
