Repotting guide

When & how to repot Werner's Living Stone (Lithops werneri)

Also called Werner's Pebble Plant, Living Stone.

More about werner's living stone

About Werner's Living Stone

Lithops werneri · also called Werner's Pebble Plant, Living Stone · houseplant

Lithops werneri is a rare miniature succulent from South Africa's Northern Cape, forming tiny paired leaf-bodies that camouflage as quartz pebbles. It requires strict dry-season dormancy, gritty soil, and direct sun. Flowering produces small yellow blooms in autumn. Non-toxic; safe for pets.

Mature size: 1.5–2.5 cm tall, 2 cm across per body

Watch for — Stretching: Move to stronger light; etiolated plants rarely recover their compact form.

How to tell werner's living stone needs repotting

Repotting on a calendar is less reliable than reading the plant. For werner's 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 werner's living stone

Every 2–3 years, into bone-dry mix. Werner's Living Stone's growth habit — solitary or slowly clustering stone mimic — sets the pace. Lithops werneri is a rare miniature succulent from South Africa's Northern Cape, forming tiny paired leaf-bodies that camouflage as quartz pebbles. It requires strict dry-season dormancy, gritty soil, and direct sun. Flowering produces small yellow blooms in autumn. Non-toxic; safe for pets.

What size pot to step werner's 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. Werner's 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 werner's living stone

Spring or summer, while werner's 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 werner's living stone

Repot dry. Do not water werner's 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 very gritty succulent mix, at least 60% inorganic 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 werner's 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 werner's 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 werner's living stone

Werner's Living Stone wants very gritty succulent mix, at least 60% inorganic grit. Combine fine quartz grit or coarse perlite with a small amount of cactus compost. Top-dress with gravel to prevent moisture sitting against the leaf bodies. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting werner's living stone — frequently asked questions

How often should you repot werner's living stone?

Every 2–3 years, into bone-dry mix for werner's living stone. Repot werner's living stone every 2–3 years into a snug pot of very gritty succulent mix, at least 60% inorganic 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 werner's living stone need?

When is the best time of year to repot werner's living stone?

Should you water werner's living stone after repotting?

No — not straight away. Repot werner's 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 werner's living stone after repotting?

Not immediately. Wait about 3 weeks after repotting werner's 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.