Repotting guide

When & how to repot Pretty Living Stone (Lithops bella)

Also called Living Stone, Pebble Plant, Mimicry Plant.

More about pretty living stone

About Pretty Living Stone

Lithops bella · also called Living Stone, Pebble Plant · houseplant

Lithops bella is a fascinating South African succulent that mimics small pebbles to avoid herbivory, producing a pair of thick fused leaves. In late summer to autumn it bears white daisy-like flowers. Strict dry rests during leaf renewal are essential to prevent rot. The ASPCA lists Lithops (Living Stones) as non-toxic to cats and dogs.

Mature size: 2-5 cm tall and 2-4 cm wide per leaf pair

How to tell pretty living stone needs repotting

Repotting on a calendar is less reliable than reading the plant. For pretty living stone, 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 pretty living stone

Every 2–3 years, into bone-dry mix. Pretty Living Stone's growth habit — compact stemless succulent with a single leaf-pair — sets the pace. Lithops bella is a fascinating South African succulent that mimics small pebbles to avoid herbivory, producing a pair of thick fused leaves. In late summer to autumn it bears white daisy-like flowers. Strict dry rests during leaf renewal are essential to prevent rot. The ASPCA lists Lithops (Living Stones) as non-toxic to cats and dogs.

What size pot to step pretty living stone up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Pretty Living Stone 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 pretty living stone

Spring or summer, while pretty living stone 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 pretty living stone

Repot dry. Do not water pretty living stone 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 cactus and succulent compost with added coarse grit 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 pretty living stone 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 pretty living stone 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 pretty living stone

Pretty Living Stone wants cactus and succulent compost with added coarse grit. Mix 50% commercial cactus compost with 50% coarse horticultural grit or perlite. Excellent drainage is non-negotiable. Top-dress with fine gravel to mimic the stony desert substrate. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting pretty living stone — frequently asked questions

How often should you repot pretty living stone?

Every 2–3 years, into bone-dry mix for pretty living stone. Repot pretty living stone every 2–3 years into a snug pot of cactus and succulent compost with added coarse grit, 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 pretty living stone need?

When is the best time of year to repot pretty living stone?

Should you water pretty living stone after repotting?

No — not straight away. Repot pretty living stone 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 pretty living stone after repotting?

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