Repotting guide

When & how to repot Dorothy's Living Stones (Lithops dorotheae)

Also called Dorothy's Living Stones, Pebble Plant.

More about dorothy's living stones

About Dorothy's Living Stones

Lithops dorotheae · also called Dorothy's Living Stones, Pebble Plant · houseplant

Lithops dorotheae is a rare, highly patterned mimicry succulent from the Northern Cape of South Africa. Its pale, translucent bodies are intricately marked with brown channels, making it one of the most decorative Lithops species. Like all Lithops, it demands full sun, ultra-sharp drainage, and strict seasonal watering.

Mature size: 2–3 cm tall, 2–3 cm wide per leaf pair

How to tell dorothy's living stones needs repotting

Repotting on a calendar is less reliable than reading the plant. For dorothy's living stones, watch for these signs:

Roots growing out of the drainage holes, or the rootball lifting the plant proud of the rim.
Soil that has shrunk away from the pot sides and no longer holds water.
The pot is unstable because the plant has grown top-heavy.
Old, compacted, broken-down mix that stays wet too long — for a succulent that is a rot risk, so refresh it even if the pot size is fine.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot dorothy's living stones

Every 2–3 years, into bone-dry mix. Dorothy's Living Stones's growth habit — stemless, typically solitary succulent with paired, fused, flat-topped leaves emerging from soil level; develops a small cluster very slowly — sets the pace. Lithops dorotheae is a rare, highly patterned mimicry succulent from the Northern Cape of South Africa. Its pale, translucent bodies are intricately marked with brown channels, making it one of the most decorative Lithops species. Like all Lithops, it demands full sun, ultra-sharp drainage, and strict seasonal watering.

What size pot to step dorothy's living stones up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Dorothy's Living Stones stores water and rots in a large pot of slow-drying soil. A tight terracotta pot that dries fast is far safer than a generous plastic one. Never up-pot a succulent by several sizes.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot dorothy's living stones

Spring or summer, while dorothy's living stones is in active growth and warm, is best — roots recover fastest then, and the plant is not sitting in cool damp soil. Avoid repotting a succulent in winter dormancy.

Step-by-step: repotting dorothy's living stones

Repot dry. Do not water dorothy's living stones for several days first. Working with dry roots and dry mix dramatically lowers the rot risk for a succulent.
Pick a snug, fast-draining pot. Choose terracotta one size up at most, with a drainage hole. Have gritty very gritty, fast-draining mineral mix ready.
Tip it out and clean the roots. Slide the plant out, crumble off the old soil, and trim any black, mushy or dead roots with clean snips.
Pot into dry mix. Set dorothy's living stones at its original depth in dry gritty mix, firming gently. Do not bury the stem deeper than it was.
Wait a week before watering. Leave it completely dry and out of harsh sun for about 7 days so any damaged roots callus. Only then water lightly.

Aftercare

Keep dorothy's living stones completely dry and out of fierce sun for about a week so any nicked roots callus before they meet moisture; watering a freshly repotted succulent is the classic way to rot it. Then resume the normal lean, dry rhythm. Do not fertilise for about 3 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for dorothy's living stones

Dorothy's Living Stones wants very gritty, fast-draining mineral mix. Use 60–70% inorganic grit (coarse sand, perlite, pumice) blended with a small amount of loam or succulent compost. Avoid mixes containing water-retentive additives such as coir or vermiculite. Terracotta pots with drainage holes are strongly preferred. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting dorothy's living stones — frequently asked questions

How often should you repot dorothy's living stones?

Every 2–3 years, into bone-dry mix for dorothy's living stones. Repot dorothy's living stones every 2–3 years into a snug pot of very gritty, fast-draining mineral mix, ideally in spring or summer. Let it sit in dry soil and do not water for about a week afterwards so any nicked roots can callus. Over-potting and watering straight away is what rots succulents.

What size pot does dorothy's living stones need?

When is the best time of year to repot dorothy's living stones?

Should you water dorothy's living stones after repotting?

No — not straight away. Repot dorothy's living stones into dry mix and wait about a week before the first watering so any damaged roots callus over. Watering a freshly repotted succulent is the single most common way to rot one.

Should you fertilise dorothy's living stones after repotting?

Not immediately. Wait about 3 weeks after repotting dorothy's living stones. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.