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Euphorbia horrida ‘Alba’ 13cm

Name: Euphorbia horrida ‘Alba’ 13cm
Brand: Greenleaf Garden Center
SKU: Euphorbhoralba13cm
Price: 12.0 EUR
Availability: InStock

€15,00

€12,00

Quantity

Succulent · Euphorbiaceae · Pale ribbed silhouette

Euphorbia horrida ‘Alba’

Not a cactus, but it does cactus better 🪓

Family: Euphorbiaceae · Pot diameter: 13 cm · Height: 15–18cm

Euphorbiaceae
Pale glaucous body
Vertical undulating ribs
Dark spine-like lines
Collector horticultural form

Euphorbia horrida ‘Alba’ raises a rigorously ribbed, pale green body that looks carved from frozen stone. Dark spine-like lines repeat along the undulating ribs and create such a crisp graphic contrast that it is often mistaken for an exceptionally unusual cactus.

Its uncommon pale palette and architectural precision make it a powerful collector piece for a minimal, industrial or monochrome display. This is a plant that reads instantly as a statement: robust, strange and commanding, with detail that rewards a closer view.

What makes it stand out

Three defining details that turn its botanical identity into real presence for a collection and interior.

A frost-pale palette

The light glaucous surface appears almost white and illuminates every fold.

Rhythmic ribs

Numerous undulating ribs organise the body into disciplined vertical geometry.

A cactus-like euphorbia

Convergent evolution produced a succulent body and spine-like defence without botanical kinship to cacti.

Why you’ll love it: it combines unusual pale colour, dramatic linear structure and the distinctive appeal of a euphorbia that resembles a cactus.

In your spacePlacement & plant pairingsWhere it looks best and which plants complement it

In your space

Where it looks its best

Give it a starring role in matt black, off-white or concrete, with an uncluttered background behind the ribs. Position it away from traffic and at a height where it cannot be brushed accidentally.

Plant pairings

Plants that complement it

Pair it with plants that genuinely share its light, substrate and seasonal rhythm. Separate pots keep care precise for each one.

Astrophytum myriostigma — spineless geometry in a similarly pale palette.
Haworthiopsis limifolia — a low dark relief rosette for strong contrast.
Agave titanota — bone-coloured margins continuing the dramatic line.

Care at a glance

Light

Very intense brightness and gentle direct sun after acclimation.

Watering

Water deeply only when the mix is dry to the bottom.

Glaucous euphorbia

Warm dry conditions, strong airflow and protection from cold dampness.

Pets & children

White latex is irritating and harmful; use gloves, protect eyes and keep it out of reach.

For this plant

Substrate & nutrition

Suitable substrateSybasoil Cacti & Succulent Premium Mix 5ltView product

Suitable feedCactus&Succulent focus 100mlView product

Detailed careComplete care guideLight, drying cycle, climate, substrate and feeding in detail

Light and position

Provide many hours of intense brightness and introduce direct sun gradually. Correct exposure keeps the stem compact and its pale colour clear, without abrupt reddening or scorch.

Correct watering

Water deeply only when the mix is completely dry and the pot feels light. Let excess escape immediately and do not repeat while cool moisture remains lower down.

Airflow and humidity

It needs a dry atmosphere with steady airflow around the base and ribs. Avoid misting and positions where moisture remains between the ribs.

Temperature and seasonal rhythm

It grows in warmth and uses very little moisture during winter or cool conditions. Keep it bright, much drier and safely frost-free.

Substrate

Choose an exceptionally mineral mix with pumice, lava or coarse grit and a small organic fraction. Keep the crown high and drainage unobstructed.

Feeding, repotting and handling

During active warm growth use diluted Cactus & Succulent Focus as directed. Wear gloves and eye protection when repotting because any injury releases latex.

Botanical identityIdentity & natural originAccepted name, taxonomic history and natural or cultivated provenance

Euphorbia horrida is a synonym

Modern Kew taxonomy treats Euphorbia horrida Boiss. as a synonym of the accepted Euphorbia polygona Haw. The trade name remains widely recognisable.

Alba has a published taxonomic history

Euphorbia polygona var. alba D.H.Schnabel was published in 2014 but is now included within broader E. polygona. ‘Alba’ remains useful in trade for the pale form.

A South African wild foundation

The accepted species is native to the southern and south-central Cape Provinces in desert or dry shrubland. ‘Alba’ has no independent wild range.

From natural habitat to care: Cape dry shrubland favours stored reserves, limited exposed surface and long intervals between rain. In a pot this calls for warm brightness, a mineral root zone and complete drying rather than frequent small drinks.

Greenleaf for Plant NerdsScientific facts nobody asked forBotanical detail for anyone who wants to know what lies behind the plant’s appearance

The “spines” are not cactus areoles

Its rigid projections are associated with modified flower stalks rather than cactus areoles.

Flowers are cyathia

The small floral units of Euphorbia are called cyathia and mimic a single flower.

Latex is a defence

White latex contains irritating compounds that deter herbivores and requires prompt washing after contact.

The resemblance is convergence

Cacti and succulent euphorbias independently evolved ribbed bodies in response to similar dry environments.

Frequently asked questions

Useful answers about light, watering, seasonal rhythm and the plant’s correct identity.

01Is Euphorbia horrida ‘Alba’ the correct name?

It is an established trade name. The accepted taxonomic base is Euphorbia polygona, while alba was historically published as a variety.

02Is it a cactus?

No. It belongs to Euphorbiaceae; its cactus-like appearance is the result of convergent evolution.

03When does it need watering?

Only when the mix is completely dry to the bottom and the pot feels lighter. Water far less during cool conditions.

04What light does it need?

Very intense brightness with direct sun increased gradually. Abrupt change may mark the pale epidermis.

05What changes with the seasons?

It grows actively in warmth; keep it bright, dry and frost-free in winter.

06What precautions are needed around the sap?

White latex irritates skin and eyes and is harmful if swallowed. Wear gloves, wash contact promptly and keep it away from children and animals.

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Euphorbia horrida ‘Alba’ 13cm

Euphorbia horrida ‘Alba’ 13cm

Euphorbia horrida ‘Alba’

What makes it stand out

A frost-pale palette

Rhythmic ribs

A cactus-like euphorbia

Where it looks its best

Plants that complement it

Care at a glance

Light

Watering

Glaucous euphorbia

Pets & children

Substrate & nutrition

Light and position

Correct watering

Airflow and humidity

Temperature and seasonal rhythm

Substrate

Feeding, repotting and handling

Euphorbia horrida is a synonym

Alba has a published taxonomic history

A South African wild foundation

The “spines” are not cactus areoles

Flowers are cyathia

Latex is a defence

The resemblance is convergence

Frequently asked questions

Euphorbia horrida ‘Alba’ 13cm — Care & Tips

We take care of the packaging!

With specially designed boxes, we ensure that the plants will reach you intact, no matter what they encounter on the way!

All plants in 3L pots or larger are placed in individual boxes that secure the plant at the base of the pot, preventing it from tipping over.

The cardboard used for the boxes is specially made to provide resistance to potential impacts during transport.

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