Repotting guide

When & how to repot Olive Living Stone (Lithops olivacea)

Also called Olive Mimicry Plant, Green Living Stone.

More about olive living stone

About Olive Living Stone

Lithops olivacea · also called Olive Mimicry Plant, Green Living Stone · houseplant

Lithops olivacea is a South African stone-plant named for its distinctive olive-green lobes, which provide camouflage among greenish quartz pebbles in its Bushmanland habitat. Yellow flowers are produced in autumn to early winter. Non-toxic to pets. It is somewhat more forgiving of accidental overwatering than some species but still requires a strict dry summer rest.

Mature size: 2-4 cm tall, individual lobe pairs 2-3 cm wide

How to tell olive living stone needs repotting

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

Every 2–3 years, into bone-dry mix. Olive Living Stone's growth habit — stemless paired-lobe succulent; olive-green colouration, clump-forming over time — sets the pace. Lithops olivacea is a South African stone-plant named for its distinctive olive-green lobes, which provide camouflage among greenish quartz pebbles in its Bushmanland habitat. Yellow flowers are produced in autumn to early winter. Non-toxic to pets. It is somewhat more forgiving of accidental overwatering than some species but still requires a strict dry summer rest.

What size pot to step olive 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. Olive 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 olive living stone

Spring or summer, while olive 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 olive living stone

Repot dry. Do not water olive 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 fast-draining cactus mix with 40-50% coarse perlite or horticultural 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 olive 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 olive 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 olive living stone

Olive Living Stone wants fast-draining cactus mix with 40-50% coarse perlite or horticultural grit. Use a very free-draining mineral substrate with minimal organic content. Mix standard cactus compost with an equal volume of coarse perlite, pumice, or sharp grit. A gravel top-dressing adds drainage at the collar and reflects light. Avoid peat-based mixes or any compost that stays moist for extended periods. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting olive living stone — frequently asked questions

How often should you repot olive living stone?

Every 2–3 years, into bone-dry mix for olive living stone. Repot olive living stone every 2–3 years into a snug pot of fast-draining cactus mix with 40-50% coarse perlite or horticultural 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 olive living stone need?

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

Should you water olive living stone after repotting?

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

Not immediately. Wait about 3 weeks after repotting olive 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.