Lithops love sunlight – the more the better. Place in bright, direct light.
Water
Do not water in the summer. These plants expect a drought during their summer months and should not be watered – an exception can be made if they are very wrinkled but even then do so sparingly. Water in its growing season – Autumn – when the plant shows signs of requiring water (wrinkling). Do not water in winter – water again in spring if necessary.
Soil
These plants like course sand, perlite, pumice and lava roc – generally media that does not retain water.