UK compost
What compost for geranium sanguineum 'max frei' in the UK?
Geranium sanguineum 'Max Frei'
More about geranium sanguineum 'max frei' in the UK
Which compost geranium sanguineum 'max frei' needs
For geranium sanguineum 'max frei' the mix to buy is peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Performs on free-draining loam, chalk, sand and gravel. Sharp drainage is key; heavy wet clay invites rot. Ideal in raised beds and gravel plantings.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 geranium sanguineum 'max frei' 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?
Geranium sanguineum 'Max Frei' 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 geranium sanguineum 'max frei' soil & potting-mix guide.
Compost for Geranium sanguineum 'Max Frei' in the UK — frequently asked questions
What compost should I use for geranium sanguineum 'max frei' in the UK?
Use peat-free multipurpose compost cut roughly half-and-half with horticultural grit or perlite. Performs on free-draining loam, chalk, sand and gravel. Sharp drainage is key; heavy wet clay invites rot. Ideal in raised beds and gravel plantings. 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 geranium sanguineum 'max frei'?
Not on its own — multipurpose compost holds too much water for geranium sanguineum 'max frei' 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 geranium sanguineum 'max frei' perfectly well — they dry a little faster at the surface, so check moisture by feel rather than by the look of the top.
Does geranium sanguineum 'max frei' need grit or perlite added?
Yes — geranium sanguineum 'max frei' 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 geranium sanguineum 'max frei' need?
Always a pot with drainage holes. Well-drained, moderately fertile soil; tolerates lean, gritty ground. 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 geranium sanguineum 'max frei' care
See the full geranium sanguineum 'max frei' care guide, its UK watering and UK hardiness.