Colour responsive to light
The epidermis may shift from green to brown or purple under strong light and correct acclimation.
2
Sulcorebutia rauschii 8.5cm
Normal price
€9,90
What does the legal guarantee mean for plants?
The legal guarantee concerns the plant’s conformity at delivery. It is not a guarantee of survival or growth for two years. Each issue is assessed taking into account the nature of the plant, its care and the conditions in which it is kept. Your statutory rights remain unaffected.
Sulcorebutiarauschii
Small on the shelf, large in the taxonomic debate 🔬
- Cactaceae
- Rauschii horticultural phenotype
- Purple to green epidermis
- Clusters of small heads
- Bolivian origin
Sulcorebutia rauschii is a small yet exceptionally expressive cactus, forming compact heads in deep green, brown or purple tones. Broad tubercles are arranged in spiral patterns and short spines remain close to the surface, allowing its sculptural texture to take centre stage. The dark, almost metallic palette and finely worked geometry immediately convey the feeling of a distinctive collector’s find.
As it develops, it creates dense groups of overlapping heads, like a miniature rocky landscape that grows steadily richer. Flowering transforms the entire composition, with large pink to magenta blooms opening above the darker body in a dramatic burst of colour. This is a plant that rewards close observation and brings depth, rarity and unmistakable personality to a thoughtfully curated collection.
What makes it special
Three details that turn its botanical identity into genuine presence for a collection and interior or outdoor setting.
A clump in miniature
Side heads build a dense colony without losing the detail of each individual crown.
A taxonomic conversation piece
Its name connects Sulcorebutia, Rebutia and Weingartia, adding genuine history behind the appearance.
Why you will love it: it occupies little space while offering abundant colour, detail and botanical history—exactly what a curated collection needs.
In your spacePlacement & plant pairingsWhere it looks its best and which plants complement it
Where it looks its best
Show it in a low terracotta pot or dark ceramic where the clump can be viewed from above. Provide south- or east-facing light with good air movement and protection from scorching enclosed midday glass. Its small scale suits a collector shelf, but not the dark back of one.
Plants that bring out its character
Pair it with plants that genuinely share its light, substrate and seasonal rhythm. Separate pots keep care precise for every plant.
- Astrophytum ornatum — taller strict form beside the low purple clump.
- Mammillaria polythele ‘Toluca’ — green tubercles with calmer spination.
- Echinopsis densispina f. cristata — a collector crest with a compatible dry winter.
Care at a glance
Light
Very bright position with gentle direct sun and gradual acclimation.
Water
Careful deep watering in growth only after the root zone dries completely.
Climate
Cool nights, excellent airflow and a dry winter rest without frost.
Pets & children
Not intended for consumption; short spines can irritate and require careful handling.
Selected for this plant
Substrate & nutrition
Detailed careComplete care guideLight, drying cycle, climate, substrate and nutrition in detail
Light and position
Strong light keeps heads low and compact and may intensify purple tones. Sudden scorching sun causes damage, so increase intensity slowly and provide airflow.
Watering correctly
During active growth, water to runoff and allow the mix to dry completely. Fine roots rot quickly in cold damp conditions, so winter water is reduced drastically.
Air and humidity
It needs more air movement than a typical shelf succulent. Enclosed heat after watering is a greater risk than dry air.
Temperature and seasonal rhythm
It uses bright mild periods and benefits from a cooler dry winter pause. During extreme heat it may temporarily stop taking up water.
Substrate
Use a highly mineral, fine but airy mix with pumice and grit. The low pot must drain freely.
Feeding, repotting and handling
Use minimal diluted feed when new growth or buds are visible. Avoid high nitrogen.
Botanical identityIdentity & natural originAccepted name, taxonomic history and natural or cultivated origin
Sulcorebutia rauschii is a synonym
The name was published by Gerhart Frank in 1969. Plants of the World Online now places it among the heterotypic synonyms of accepted Weingartia canigueralii.
Accepted Bolivian base
W. canigueralii is a wild Bolivian species of desert or dry shrubland. It is not an artificial hybrid.
The rauschii form in cultivation
Growers retain the old name for compact plants with characteristic purple epidermis and appressed spines. This is a useful horticultural phenotype, not a currently accepted separate species rank.
From natural habitat to care: Bolivian origins in bright rocky cool highlands explain why dryness alone is not enough: it also needs clear air, strong light, cool nights and roots that never remain wet as temperatures fall.
Greenleaf for Plant NerdsScientific details nobody asked forBotanical detail for anyone who wants to understand the science behind the plant
Tubercles form spirals
The arrangement of areoles creates mathematical rhythm without obvious continuous ribs.
Purple colour is photoprotective
Anthocyanins may increase under strong light and cool conditions, so purple colour is not automatically a problem.
Clumps are clonal
Side heads remain connected to the parent and gradually build a multi-headed colony.
Taxonomy remains dynamic
The broad concept of W. canigueralii includes many names once treated as separate Sulcorebutia.
Frequently asked questions
Useful answers about light, watering, seasonal rhythm and the plant’s correct identity.
01How much direct sun can it take?
Strong light keeps heads low and compact and may intensify purple tones. Sudden scorching sun causes damage, so increase intensity slowly and provide airflow.
02When exactly should it be watered?
During active growth, water to runoff and allow the mix to dry completely. Fine roots rot quickly in cold damp conditions, so winter water is reduced drastically.
03Why did the label say Sulcorebutia rauschii?
It is the historic and still useful trade name for this appearance. Kew currently synonymises it under Weingartia canigueralii.
04How is the purple colour maintained?
With high light, gradual acclimation, cool nights and no excess nitrogen. Colour naturally varies with season and clone.
05What substrate and feeding does it need?
Use a highly mineral, fine but airy mix with pumice and grit. The low pot must drain freely. Use minimal diluted feed when new growth or buds are visible. Avoid high nitrogen.
06Is it safe around pets and children?
Not intended for consumption; short spines can irritate and require careful handling.
📦 Your plant travels protected
Every order is prepared with care so your plant arrives upright, secure and safe.
Individual protection
Plants in pots with a capacity of 3 litres or more are placed in individual boxes that hold the pot securely and reduce the risk of tipping over.
Sturdy packaging
We use reinforced cardboard designed to protect against impacts and vibration during transport.