UK compost
What compost for never never plant 'grey star' in the UK?
Ctenanthe setosa 'Grey Star'
More about never never plant 'grey star' in the UK
Which compost never never plant 'grey star' needs
For never never plant 'grey star' the mix to buy is peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Use a peaty or coco-coir-based potting mix lightened with perlite for drainage and aeration. The roots want consistent moisture but must not sit in water, so a free-draining yet water-retentive blend in a pot with drainage holes is essential.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 never never plant 'grey star' 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?
Never Never Plant 'Grey Star' 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 never never plant 'grey star' soil & potting-mix guide.
Compost for Never Never Plant 'Grey Star' in the UK — frequently asked questions
What compost should I use for never never plant 'grey star' in the UK?
Use peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Use a peaty or coco-coir-based potting mix lightened with perlite for drainage and aeration. The roots want consistent moisture but must not sit in water, so a free-draining yet water-retentive blend in a pot with drainage holes is essential. 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 never never plant 'grey star'?
Not on its own — multipurpose compost holds too much water for never never plant 'grey star' 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 never never plant 'grey star' perfectly well — they dry a little faster at the surface, so check moisture by feel rather than by the look of the top.
Does never never plant 'grey star' need grit or perlite added?
Yes — never never plant 'grey star' 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 never never plant 'grey star' need?
Always a pot with drainage holes. Light, airy, moisture-retentive houseplant mix. 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 never never plant 'grey star' care
See the full never never plant 'grey star' care guide, its UK watering and UK hardiness.