Lithops

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Lithops species · living stones

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Potted Lithops living stones in cultivation — Potted houseplant example showing the patterned leaf pairs and mineral growing mix. Photograph: yellowcloud, Wikimedia Commons, CC BY 2.0.

Plant typeDwarf leaf-succulent perennial

LightStrong morning light; acclimate gradually

WaterFollow the growth cycle, not a calendar

EdibilityNot a food plant

Native to United StatesNo

Native to Lafayette areaNo

InvasiveNo outdoors in Indiana

Self-seedingUncommon indoors

Identification

Each head is one pair of thick leaves divided by a central fissure. Translucent windows and markings help the plant blend with surrounding gravel while admitting light to buried tissues.

Care

Light

Provide four to five hours of morning sun or comparably strong indoor light, followed by protection from the harshest afternoon sun. Acclimate plants to stronger light slowly.

Seasonal watering

Watering is governed by the plant’s annual cycle. During leaf replacement, keep the plant dry while the new pair absorbs the old leaves. Resume careful watering once the old leaves are papery and the new pair is established. When watering, soak the mix and then let it dry completely. Never leave the pot standing in water.

Temperature

Keep above 40°F and protect from freezing. Indoors, good air movement and strong light are as important as warmth.

Standard soil mix

Use a very fast-draining, mostly mineral mix: about four parts pumice, coarse grit, or perlite to one part screened potting mix. Use a container with a drainage hole and avoid an oversized pot.

Flowering

Lithops living stones producing daisy-like flowers — Daisy-like flowers emerge from the fissure between the leaf pair. Photograph: Juan Emilio Prades Bel, Wikimedia Commons, CC BY 4.0.

Mature plants commonly flower from the central fissure. Do not increase water merely because a bud appears; judge moisture by the plant’s growth stage and the dryness of the mix.

Native environment, climate, and ecology

Wild Lithops herrei growing among quartz stones in the Richtersveld — Close-up of wild Lithops herrei in ǀAi-ǀAis/Richtersveld Transfrontier Park, Northern Cape, South Africa. Photograph: Alexey Yakovlev, Wikimedia Commons, CC BY-SA 2.0.

Wide arid landscape in the Richtersveld region of South Africa — Wide regional landscape context from Richtersveld National Park; the photographed landscape does not identify the precise Lithops growing point. Photograph: South African Tourism, Wikimedia Commons, CC BY 2.0.

Lithops are native to arid southern Africa, where many sites receive less than 20 inches of rain a year and some species also use fog or mist. Their tiny above-ground profile, water-storing leaves, and camouflage are drought adaptations—not signals for frequent watering.

Environment →Climate →Ecology →