UK compost
What compost for veronica spicata 'royal candles' in the UK?
Veronica spicata 'Royal Candles'
More about veronica spicata 'royal candles' in the UK
Which compost veronica spicata 'royal candles' needs
For veronica spicata 'royal candles' the mix to buy is peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Adapts to most fertile, free-draining soils with a neutral to slightly alkaline pH. Wet, heavy clay in winter is the main killer; improve drainage with grit or compost on dense soils.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 veronica spicata 'royal candles' 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?
Veronica spicata 'Royal Candles' 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 veronica spicata 'royal candles' soil & potting-mix guide.
Compost for Veronica spicata 'Royal Candles' in the UK — frequently asked questions
What compost should I use for veronica spicata 'royal candles' in the UK?
Use peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Adapts to most fertile, free-draining soils with a neutral to slightly alkaline pH. Wet, heavy clay in winter is the main killer; improve drainage with grit or compost on dense soils. 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 veronica spicata 'royal candles'?
Not on its own — multipurpose compost holds too much water for veronica spicata 'royal candles' 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 veronica spicata 'royal candles' perfectly well — they dry a little faster at the surface, so check moisture by feel rather than by the look of the top.
Does veronica spicata 'royal candles' need grit or perlite added?
Yes — veronica spicata 'royal candles' 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 veronica spicata 'royal candles' need?
Always a pot with drainage holes. Well-drained loamy garden 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 veronica spicata 'royal candles' care
See the full veronica spicata 'royal candles' care guide, its UK watering and UK hardiness.