UK compost
What compost for calathea warscewiczii jungle velvet dark in the UK?
Goeppertia warscewiczii 'Dark'
More about calathea warscewiczii jungle velvet dark in the UK
Which compost calathea warscewiczii jungle velvet dark needs
For calathea warscewiczii jungle velvet dark the mix to buy is peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. A coir or peat base with perlite and fine bark holds moisture yet drains, suiting its vigour. Keep slightly acidic and airy; a pot with drainage prevents the soggy roots that trigger rot.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 calathea warscewiczii jungle velvet dark 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?
Calathea Warscewiczii Jungle Velvet Dark 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 calathea warscewiczii jungle velvet dark soil & potting-mix guide.
Compost for Calathea Warscewiczii Jungle Velvet Dark in the UK — frequently asked questions
What compost should I use for calathea warscewiczii jungle velvet dark in the UK?
Use peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. A coir or peat base with perlite and fine bark holds moisture yet drains, suiting its vigour. Keep slightly acidic and airy; a pot with drainage prevents the soggy roots that trigger rot. 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 calathea warscewiczii jungle velvet dark?
Not on its own — multipurpose compost holds too much water for calathea warscewiczii jungle velvet dark 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 calathea warscewiczii jungle velvet dark perfectly well — they dry a little faster at the surface, so check moisture by feel rather than by the look of the top.
Does calathea warscewiczii jungle velvet dark need grit or perlite added?
Yes — calathea warscewiczii jungle velvet dark 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 calathea warscewiczii jungle velvet dark need?
Always a pot with drainage holes. Rich, moisture-retentive free-draining 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 calathea warscewiczii jungle velvet dark care
See the full calathea warscewiczii jungle velvet dark care guide, its UK watering and UK hardiness.