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Living stones

Karelj / Wikimedia Commons - CC BY-SA 3.0

Living stones

Lithops pseudotruncatella

One of the "living stones": a near-stemless dwarf succulent that looks exactly like the pebbles it grows among. Each plant is a single pair of fused, swollen leaves, almost flush with the ground, coloured and patterned to mimic the surrounding stones - a marvel of camouflage. Once a year, in autumn, the pair splits to push out a single yellow daisy-like flower, and in spring a new leaf pair forms inside the old one, which shrivels and is reabsorbed. POWO (Kew) places Lithops pseudotruncatella native to the stony semi-deserts of Namibia. It is FROST-TENDER and the single quickest way to kill it is OVERWATERING: it stores its own water and must be kept almost completely dry for much of the year, watered only lightly during active growth - and NOT at all while the old leaves are being reabsorbed in spring. RHS rates Lithops tender (H1c-H2); in any cold-winter climate it is grown as a pot plant on a bright windowsill or in a frost-free greenhouse, in full sun and an extremely gritty, sharply drained mix.

Climate fit: narrow (13/100)

Container

Focal point

Light

Full sun

Water

Low water

Mature size

1-2" tall · 2" apart

Hardy in zones

10a-11

mild to nearly frost-free winters

Native in Illinois

No

Inedible - not a food plant.

°C

°F

Cold hardiness

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.

Now

Zone 6b

Plotwright

USDA Zone 6b

-5°F to 0°F

Won't grow here

2050

2100

Zone 7a

Plotwright

0°F to 5°F

Won't grow here

In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.

✕

Out of range today and still out of range in 2050.

Heat tolerance

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.

Loading AHS heat-zone data for this location...

What it needs

Conditions

Light

Full sun

Water

Low water

Spacing

2"

Habit

A near-stemless dwarf succulent - a single pair of fused, swollen leaves sitting almost flush with the ground, coloured and patterned to mimic the surrounding pebbles. It is grown as a curiosity pot plant in full sun and a gritty, extremely sharp-draining mix.

Care tips

•

OVERWATERING is the single quickest way to kill it - keep it almost completely dry for much of the year, watering only lightly during active growth.

•

Do NOT water while the old leaves are shrivelling and being reabsorbed by the new pair in spring, nor during summer dormancy; let it draw on the old leaves and resume light watering only once the new pair has fully formed.

•

Pot it in an extremely gritty, sharp-draining mix with a gravel top-dressing in a pot with drainage holes, and never leave it standing in water - wet, cold soil rots it.

Lifecycle

Planting

Pot it in an extremely gritty, sharply drained mix - a cactus-and-succulent blend cut heavily with extra grit, pumice, or coarse sand, in a pot with drainage holes and a top-dressing of fine gravel so the neck of the plant sits on stone, not damp compost. Set it in full sun on a bright windowsill or in a frost-free greenhouse.

Transplanting

Repot only occasionally, every few years, when a clump outgrows its pot - into fresh gritty mix at the same depth, with the body sitting just at the gravel surface. Do it when the plant is in dry rest, handle the brittle body gently, and wait before watering so any disturbed roots can callus rather than rot.

Early growth

A young plant grows very slowly as a single stone-like body. Keep it in full sun and almost dry; soft, stretched, or splitting growth is the sign of too much water or too little light, not too little water. Water only lightly during active growth, never while the old leaves are being reabsorbed.

Maturity

Over several years it may divide into a small clump of stone-like heads only an inch or two tall, flowering with single yellow daisy-like flowers in autumn and renewing its leaf pair each spring. It remains a slow, compact pot or trough curiosity rather than a garden plant in any but frost-free climates.

Propagation

Propagated from seed, or by dividing an established clump into individual heads - let any cut or torn surface callus and dry for several days before setting it into barely-moist gritty mix, so it roots rather than rots. Seed is sown on a gritty surface and kept lightly moist only until the tiny seedlings establish.

Plant this, not that

Better fit for this place

For Chicago, IL, these are replacement suggestions: similar plants with a stronger hardiness fit now and/or in 2050.

Tulipa (hybrid)

Tulip

The classic spring bulb of mixed borders and cutting gardens - a fall-planted perennial bulb whose single upright stem carries a showy cup-, bowl-, or goblet-shaped flower in nearly every color but true blue. Hybrid garden tulips bloom in April and May above a few strap-shaped basal leaves, then go dormant by early summer. They thrive on cool, moist winters and warm, dry summers; most hybrids bloom best the first spring and decline in later years, so many gardeners treat them as annuals.

Better fit now and in 2050

Now: well-suited

2050: well-suited

Hyacinthus orientalis

Common hyacinth

A spring-flowering bulb grown for dense upright spikes of waxy, star-shaped florets in blue, purple, pink, red, or white - famous for an intense, sometimes overpowering fragrance. Plant bulbs in mid-fall for an April bloom; flower quality typically declines after the first year, so the densest spikes often need replanting every couple of seasons. Every part of the bulb is mildly toxic and the sap can cause contact dermatitis, so gloves are advised when planting.

Perennial

Full sun / Part shade

Better fit now and in 2050

Now: well-suited

2050: well-suited

Dionaea muscipula

Venus flytrap

The famous carnivorous bog plant - a low clumping rosette of hinged, jaw-like snap-traps fringed with stiff "teeth" that close on insects that touch their trigger hairs. Despite its worldwide fame and houseplant ubiquity, Dionaea muscipula is native to a single tiny region: the wet, fire-maintained pine savannas and bogs within roughly a 75-mile radius of Wilmington, North Carolina (and adjacent South Carolina). It is globally rare in the wild and poaching of wild plants is a serious, criminalized conservation problem, so buy only nursery-propagated stock. It is also far more demanding than its reputation suggests: it needs nutrient-poor acidic peat-and-sand soil, mineral-free water, full sun, and a genuine cool winter dormancy - and it declines and dies if treated as an ordinary warm year-round houseplant.

Perennial

Full sun / Part shade

Better fit now and in 2050

Now: well-suited

2050: well-suited

Gentiana acaulis

Trumpet gentian

Gentiana acaulis is a low, mat-forming alpine perennial native to the mountains of central and southern Europe - the Alps, Pyrenees, and Balkans - where it grows in short turf and rocky meadows from 2,625 to 9,843 feet elevation. In gardens it is prized for its astonishing, deep-blue trumpet flowers in late spring, and it has received the RHS Award of Garden Merit. The honest catch is its notorious habit of "sulking": well-established plants can refuse to flower for years with no apparent cause, and the gardener's only remedy is to dig and replant the mat a few inches away - a maddening behaviour that makes it a reliable showpiece in some gardens and a frustrating non-bloomer in others.

Better fit now and in 2050

Now: well-suited

2050: well-suited

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.

Gerbera jamesonii

Barberton daisy

Gerbera jamesonii, the Barberton daisy (also Transvaal daisy), is a tufted evergreen perennial herb in the daisy family (Asteraceae) native to the summer-rainfall grasslands and rocky woodland of north-eastern South Africa and Eswatini. It forms a basal rosette of lobed leaves from which leafless flowering scapes rise, each topped by a single large daisy-style flowerhead in orange-red, yellow, pink, or white. It is the wild ancestor of the thousands of florist gerbera cultivars and earns its place as a long-blooming focal point in borders and patio containers, attractive to bees and other insects. The load-bearing caution is frost-tenderness: RHS rates it H1C, meaning it survives outdoors only in summer or the very mildest, frost-free spots and must be overwintered under glass elsewhere (roughly USDA 9-11). It is non-toxic, with no reported poisoning hazard to people or pets, making it a safe choice where toxicity is a concern.

A small, choice, winter-growing Cape bulb (Lachenalia aloides) that throws up a pair of fleshy, often maroon-spotted strap leaves and a slender stem of pendent, tubular flowers shading from yellow through orange and green to red - a living jewel for a pot or a frost-free rockery. Native to the Cape Provinces of South Africa - the winter-rainfall Western Cape of the Cape Floristic Region (POWO, Kew) - it follows the rhythm of that Mediterranean climate: it is winter-growing and summer-dormant, the opposite of most bulbs, so it is watered from autumn through spring while it is in leaf and flower and then kept dry and at rest through summer. It is frost-tender (RHS H2): outside warm, frost-free climates grow it in a pot in a cool greenhouse or a bright, frost-free room, or in a sheltered, sharply drained spot. In its native fynbos the nodding tubular flowers are pollinated by sunbirds, with bees also visiting. The bulbs are toxic if eaten - it is grown strictly as an ornamental.

Hyacinthus orientalis

Common hyacinth

A spring-flowering bulb grown for dense upright spikes of waxy, star-shaped florets in blue, purple, pink, red, or white - famous for an intense, sometimes overpowering fragrance. Plant bulbs in mid-fall for an April bloom; flower quality typically declines after the first year, so the densest spikes often need replanting every couple of seasons. Every part of the bulb is mildly toxic and the sap can cause contact dermatitis, so gloves are advised when planting.

Perennial

Full sun / Part shade

Kalanchoe tomentosa is a slow-growing, evergreen succulent subshrub endemic to the rocky granite outcrops of east-central Madagascar, where it tolerates seasonal drought in arid and semi-arid scrubland. In gardens it excels as a tactile, silver-felted container or houseplant prized entirely for its velvety, brown-tipped foliage; it rarely flowers in cultivation. The honest catch is toxicity: the plant is toxic to cats and dogs and mildly toxic to humans, so it must be kept out of reach of pets and children - making it a poor choice for households with either.

Persian buttercup is a tuberous herbaceous perennial native to the eastern Mediterranean - from Cyprus, Crete, and Turkey across to Iran, Iraq, and the Levant - where it blooms in rocky scrub and meadows in late winter through spring. In gardens it is prized for its luminous, poppy-like flowers in red, orange, pink, yellow, and white (wild single forms) or the dense, multi-layered doubles of commercial 'Tecolote' and 'Bloomingdale' strains beloved by florists. The honest catch is its frost-tenderness: the tubers are killed below roughly 14°F, so gardeners in USDA zones 7 and colder must lift and store them after foliage dies down each summer, and the whole plant contains protoanemonin, a skin and gut irritant toxic to humans and livestock on contact or ingestion.

Aloe maculata (soap aloe, also called zebra aloe; long sold as Aloe saponaria) is a clumping, stemless succulent from southern Africa with broad, triangular leaves marked by distinctive "H-shaped" pale spots. It is grown for its flat-topped racemes of tubular flowers in shades of orange-red to coral and yellow, held on tall branched stalks that draw sunbirds, bees, and other insects. A tough, drought- and salt-tolerant groundcover that spreads by suckers, it suits rock gardens, dry borders, coastal plantings, and containers in warm climates. It is frost-tender: the RHS rates it H1C (roughly USDA 9b-11), so leaves are damaged below freezing and it needs protection or indoor wintering where frosts occur. The leaf gel is used traditionally for skin and other ailments, but the plant is recorded as harmful if eaten (handle with care; seeds are reputedly poisonous), so treat it as not for casual consumption around people and pets.

Educator packet

Plant packet

Living stones educator packet

One of the "living stones": a near-stemless dwarf succulent that looks exactly like the pebbles it grows among. Each plant is a single pair of fused, swollen leaves, almost flush with the ground, coloured and patterned to mimic the surrounding stones - a marvel of camouflage. Once a year, in autumn, the pair splits to push out a single yellow daisy-like flower, and in spring a new leaf pair forms inside the old one, which shrivels and is reabsorbed. POWO (Kew) places Lithops pseudotruncatella native to the stony semi-deserts of Namibia. It is FROST-TENDER and the single quickest way to kill it is OVERWATERING: it stores its own water and must be kept almost completely dry for much of the year, watered only lightly during active growth - and NOT at all while the old leaves are being reabsorbed in spring. RHS rates Lithops tender (H1c-H2); in any cold-winter climate it is grown as a pot plant on a bright windowsill or in a frost-free greenhouse, in full sun and an extremely gritty, sharply drained mix.

Scientific name

Lithops pseudotruncatella

Plant type

perennial

Hardiness

10a-11

Light

full-sun

Moisture

low

Spacing

2 inches

Classroom prompts

- Which plant traits are observations, and which are care recommendations?

- How would this plant fit change if the garden location moved warmer, colder, wetter, or drier?

- Which source-backed facts would you cite in a lesson handout?

Use the Sources & citations section below for page citation styles and the field-level source list.

Sources & citations

Cite this page

For lesson plans, articles, or research that uses this page. Use the source cards below to explore the references that informed this record.

Plotwright. (2026, May 17). Living stones (Lithops pseudotruncatella). Retrieved 2026, August 20, from https://plotwright.com/plants/lithops-pseudotruncatella

Sources used for this record

This record is compiled from the sources below.

Plants of the World Online (POWO)

Botanical research database

Open source

Source guide

RHS Find a Plant

Botanical research database

Open source

Source guide

GBIF

Botanical research database