Drosera xerophila demonstrates how much variety can hide within a small green sundew rosette. Its name points to a comparatively dry habitat preference, but translating that into pot culture requires care: relative dryness in a mountain landscape does not establish that exposed roots can tolerate complete desiccation.
Identity and taxonomic history
Andreas Fleischmann described the species in 2018 in a revision of Western Cape rosette sundews. It belongs to the accepted species baseline used in this encyclopedia, rather than being treated here as a colour form of D. cuneifolia. Original description and revision
Boaz Ng’s field account describes flat rosettes up to about 5 cm wide, matte green leaves and contrasting red tentacles. A short, non-sticky petiole leads into an expanded blade. He distinguishes it from the similarly coloured D. esterhuyseniae, whose leaves are more elevated, and from wetter-habitat plants historically called D. aliciae var. curviscapa. Fierce Flora field profile
The comparison is a starting point, not permission to identify a plant from colour alone. Mature leaves, stipules, flowers and documented origin provide a better record than a tightly cropped rosette photograph.
Where it lives
SANBI places the species in coastal mountain ranges of the Overberg District, Western Cape. It records well-drained sandstone-derived habitats, including sandy soil and rock fissures. The documented distribution extends through the Hottentots-Holland and Kogelberg region towards the Kleinrivier and Napier mountains. SANBI distribution account
Ng likewise observes the species on relatively dry mountain slopes and describes winter growth, early-summer flowering and a summer rest. Seasonal field observations
These observations establish a seasonal setting. They do not provide a measured irrigation threshold for a small plastic pot in an Australian greenhouse. A natural rock fissure, a sheltered bench and a sealed terrarium differ in drainage, root temperature and the persistence of moisture.
Cultivation: what the evidence supports
The strongest evidence reviewed here concerns identity and habitat. A conservative cultivation interpretation is to provide an open, well-drained, low-nutrient medium, good light and moisture matched to visible growth, while avoiding the assumption that “dry-loving” means a succulent-style routine. This is habitat-based guidance, not a Nano Nursery trial or a proven optimum recipe.
Monitor the centre as growth slows, and record both the season and recent heat or disturbance. Keep a reserve accession before experimenting with a pronounced dry period. Where a grower supplies a plant with a successful documented routine, retain that information with the accession and change conditions gradually.
Propagation and unresolved detail
This profile does not promise a particular leaf-cutting success rate, seed germination interval or temperature optimum. Those require reliable, species-specific cultivation evidence. For any propagation attempt, record the method, date, parent accession, substrate and actual result, including failures.
Seed offspring and vegetative copies should remain distinguishable in the collection. This is particularly valuable for plants acquired under older names, where the identification may need reassessment once flowers become available.
Conservation context
The SANBI account reports a proposed Near Threatened assessment following Fleischmann, while explaining that small populations and restricted habitat can remain vulnerable even inside protected areas. Altered water movement and unsuitable fire regimes are relevant concerns. This should be read as the assessment reported by those sources, not an independently confirmed new global IUCN listing. Assessment context
For horticulture, documented propagated material is the useful route to learning about this species. A photograph and careful notes can record a wild plant without removing it or disturbing the small patch of ground that supports it.
Nano Nursery Drosera Encyclopedia — species profile. Related core chapters: 22 and 29. Reviewed 23 September 2026. Cultivation guidance concerns established plants; recently deflasked plants need separate acclimatisation.
