UK compost
What compost for tropaeolum majus 'jewel of africa' in the UK?
Tropaeolum majus 'Jewel of Africa'
More about tropaeolum majus 'jewel of africa' in the UK
Which compost tropaeolum majus 'jewel of africa' needs
For tropaeolum majus 'jewel of africa' the mix to buy is peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Performs best in poor to average, well-drained soil; lean ground promotes flowering. Rich, fertile soil yields lush leaves and few blooms. A free-draining peat-free mix suits containers.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 tropaeolum majus 'jewel of africa' 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?
Tropaeolum majus 'Jewel of Africa' 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 tropaeolum majus 'jewel of africa' soil & potting-mix guide.
Compost for Tropaeolum majus 'Jewel of Africa' in the UK — frequently asked questions
What compost should I use for tropaeolum majus 'jewel of africa' in the UK?
Use peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Performs best in poor to average, well-drained soil; lean ground promotes flowering. Rich, fertile soil yields lush leaves and few blooms. A free-draining peat-free mix suits containers. 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 tropaeolum majus 'jewel of africa'?
Not on its own — multipurpose compost holds too much water for tropaeolum majus 'jewel of africa' 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 tropaeolum majus 'jewel of africa' perfectly well — they dry a little faster at the surface, so check moisture by feel rather than by the look of the top.
Does tropaeolum majus 'jewel of africa' need grit or perlite added?
Yes — tropaeolum majus 'jewel of africa' 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 tropaeolum majus 'jewel of africa' need?
Always a pot with drainage holes. Light, free-draining, low-fertility soil. 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 tropaeolum majus 'jewel of africa' care
See the full tropaeolum majus 'jewel of africa' care guide, its UK watering and UK hardiness.