Lithops (Living Stones) Watering Schedule for U.S. Indoor Growers

Lithops (Living Stones) are the most-killed succulents in the U.S. because every popular watering schedule is wrong. Here's the real annual cycle.

The Annual Watering Cycle

  • March–April (post-dormancy): First watering of the year. Light, just enough to moisten soil.
  • May–June: Water every 3 weeks. Reduce if temperatures stay above 90°F.
  • July–August: Most U.S. apartment Lithops go semi-dormant. Water only every 4–5 weeks. No water if leaves are splitting.
  • September–October: Active growth again. Every 3 weeks.
  • November–February (dormancy): NO WATER AT ALL. Yes, zero. Lithops live off stored water.

Read the Leaves

  • Wrinkled leaves in active season = thirsty.
  • Splitting leaves = the plant is producing new leaves; never water during splitting.
  • Mushy or rotting = overwatering; emergency surgery may be needed.

Pot and Soil

Use a deep terra cotta pot (Lithops have long taproots). Soil: 70% pumice or perlite, 30% cactus mix. Drainage hole essential.

Frequently asked questions

Why do my Lithops keep dying in winter?

Almost certainly winter watering. Lithops are dormant Nov–Feb. Any watering then = rot. Hold completely until March.

Should I mist Lithops?

Never. Lithops absolutely hate any moisture on the leaves. Bottom water only, and rarely. Misting + Lithops = rot.

Sources and references

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