| Common Name | Spiny Pencil Cactus |
| Family | Euphorbiaceae |
| Genus | Euphorbia |
| Species | Horrida |
| Origin | Madagascar |
| Blooming | Foliage plant with occasional yellow-green cyathia in spring and summer |
| Leaf Color | Green stems, grey spines |
| Sunlight | Sun |
| Category | Succulents plants |
| Pet Friendly | No |
Cactus mix: high sand and pumice content for rapid drainage
Water sparingly during active growth, allow soil to dry completely. Reduce drastically in winter dormancy
Requires bright direct sunlight to maintain compact growth; protect from extreme midday scorch in summer
Apply diluted cactus fertilizer monthly during spring and summer only
Wear gloves due to toxic sap; remove dead or damaged stems carefully
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
Something wrong with your Euphorbia horrida? Select a symptom to diagnose and fix the issue.
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