UK compost
What compost for somali desert rose in the UK?
Adenium somalense
More about somali desert rose in the UK
Which compost somali desert rose needs
For somali desert rose the mix to buy is peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Use a quality cactus potting mix with at least 50% perlite, coarse pumice, or coarse sand added. Good drainage is imperative: all pots must have drainage holes. Replace the potting mix annually as a substitute for fertilising, as fresh cactus mix provides adequate nutrition for this slow-to-moderate growing species.In British garden centres the bagged growing medium is sold simply as “compost” (multipurpose, ericaceous, or loam-based John Innes), which is a different thing from the rotted garden “compost” you make in a heap — for a pot you want the bagged kind.
Peat-free compost
Buy peat-free. The sale of peat compost to home gardeners is being phased out across the UK, and the RHS recommends peat-free on environmental grounds. A good peat-free multipurpose grows somali desert rose perfectly well; the one habit to change is watering — peat-free dries faster at the surface while still moist below, so check by feel a knuckle deep rather than trusting the look of the top.
Ericaceous or multipurpose?
Somali Desert Rose does not want a rich, water-holding compost — it wants sharp drainage. Cut peat-free multipurpose roughly half-and-half with horticultural grit, sharp sand or perlite, and always pot into a container with drainage holes. A "cactus and succulent" bagged mix is a ready-made shortcut.
For the full recipe, pH and drainage detail (US wording), see the somali desert rose soil & potting-mix guide.
Compost for Somali Desert Rose in the UK — frequently asked questions
What compost should I use for somali desert rose in the UK?
Use peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Use a quality cactus potting mix with at least 50% perlite, coarse pumice, or coarse sand added. Good drainage is imperative: all pots must have drainage holes. Replace the potting mix annually as a substitute for fertilising, as fresh cactus mix provides adequate nutrition for this slow-to-moderate growing species. In UK garden centres this is sold simply as "compost" — the bagged growing medium, not garden-made leaf-mould — so match the description above rather than a brand.
Can I use ordinary multipurpose compost for somali desert rose?
Not on its own — multipurpose compost holds too much water for somali desert rose and will rot the roots. Cut it roughly 50:50 with horticultural grit, sharp sand or perlite so it drains fast.
Should the compost be peat-free?
Yes. Sales of peat compost to home gardeners are being phased out in the UK, and the RHS recommends peat-free for environmental reasons. Modern peat-free multipurpose composts grow somali desert rose perfectly well — they dry a little faster at the surface, so check moisture by feel rather than by the look of the top.
Does somali desert rose need grit or perlite added?
Yes — somali desert rose must have sharp drainage. Add about one part horticultural grit or perlite to one part compost, and always use a pot with drainage holes.
What pot and drainage does somali desert rose need?
Always a pot with drainage holes. Very fast-draining cactus mix with high inorganic content. Stand it on a saucer, empty any water that collects after watering, and never leave the pot sitting in a full outer cover — waterlogged compost in a cool UK room is the commonest cause of root rot.
More somali desert rose care
See the full somali desert rose care guide, its UK watering and UK hardiness.