UK compost
What compost for burkwood viburnum in the UK?
Viburnum × burkwoodii
More about burkwood viburnum in the UK
Which compost burkwood viburnum needs
For burkwood viburnum the mix to buy is peat-free ericaceous (lime-free) compost. Adaptable to a wide range of soils with good drainage; prefers pH 5.5-7.5. Tolerates clay better than many viburnums if it is not waterlogged; enrich poor sites with organic matter.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 burkwood viburnum 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?
Burkwood Viburnum is a lime-hater: it needs an acidic, lime-free ericaceous compost. In ordinary (limey) multipurpose it slowly yellows between the leaf veins as it locks out iron. Buy a bag labelled "ericaceous", and in a hard-water area water with rainwater where you can, since tap water is slightly alkaline.
For the full recipe, pH and drainage detail (US wording), see the burkwood viburnum soil & potting-mix guide.
Compost for Burkwood Viburnum in the UK — frequently asked questions
What compost should I use for burkwood viburnum in the UK?
Use peat-free ericaceous (lime-free) compost. Adaptable to a wide range of soils with good drainage; prefers pH 5.5-7.5. Tolerates clay better than many viburnums if it is not waterlogged; enrich poor sites with organic matter. 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 burkwood viburnum?
No — burkwood viburnum needs an acidic, lime-free (ericaceous) compost. Standard multipurpose is too limey and will slowly cause yellowing between the leaf veins (lime-induced chlorosis). Buy a bag labelled "ericaceous".
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 burkwood viburnum perfectly well — they dry a little faster at the surface, so check moisture by feel rather than by the look of the top.
Does burkwood viburnum need grit or perlite added?
Not essential, but a couple of handfuls of perlite in the mix improves aeration and guards against overwatering — useful on a cool, damp British windowsill where compost stays wet longer.
What pot and drainage does burkwood viburnum need?
Always a pot with drainage holes. Moist, well-drained, fertile soil, slightly acidic to neutral. 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 burkwood viburnum care
See the full burkwood viburnum care guide, its UK watering and UK hardiness.