The silver-crusted rosettes of Saxifraga crowd the rim of a stone trough by my back path. I planted them three springs ago, and they sit tighter every year. They have never once asked for richer soil. They take no more water than the rain brings. That same trough now holds half the plants new growers reach for first.
The most common alpine plants are houseleeks, saxifrage, alpine pinks, Aubrieta, pasque flower, and thrift. You see these six in almost every garden center. They are tough, cheap, and hard to kill. They cover the rocks, troughs, and gravel beds that make up most home alpine planting. Start with any of them and you will get a plant that wants to grow.
These few genera spread so widely for plain reasons. They shrug off cold winters down to -20°F (-29°C). Most sit on a nursery shelf for a few dollars a pot, so you can fill your trough without spending much. They want poor, gritty soil, so the lean conditions that kill a fussy perennial suit them fine. Give them sharp drainage and they root in within a single season.
Sempervivum (houseleeks)
- Form: Tight rosettes of fleshy leaves that pup into clumps and need almost no care once set.
- Why common: It survives drought, frost, and bad soil, which makes it one of the most forgiving alpines for a first trough.
- Use it: Plant it in gravel, wall gaps, or shallow pans where most roots would starve.
Saxifraga (saxifrage)
- Form: Low silver or green cushions that throw up sprays of small spring flowers.
- Why common: It packs into troughs and crevices and asks for little beyond grit and a bit of shade in summer.
- Use it: Edge a stone trough or fill the seams between paving slabs.
Armeria maritima (thrift)
- Form: Grassy mounds topped with pink pom-pom flowers from late spring on.
- Why common: It handles wind, salt, and dry banks, so coastal and exposed gardens lean on it hard.
- Use it: Mass it along a sunny edge or a gravel slope for a long flush of color.
The other three round out the set. Dianthus (alpine pinks) give you clove-scented blooms over blue-gray mats that stay neat all season. Aubrieta spills purple and lilac sheets down a wall each April, and a single plant can drape a foot of stone. Pulsatilla (pasque flower) sends up furry buds that open to violet cups. Once the flowers fade, it trades them for silky seed heads that catch the light. Between these six you get a real spread of alpine plant varieties, from flat carpets to upright stems, in pink, purple, white, and red.
Their toughness is what keeps these common alpine plants on every beginner list. None of them sulk if you forget to water for a week. They take the same sharp drainage and full sun, so you can plant the whole group together and treat them as one. That makes them the easy alpine plants I hand to anyone starting out. Quick roots mean you see growth the first summer instead of waiting years for your clump to fill in. When my own trough went in, the houseleeks had doubled by August.
For a trough or bed that holds interest all year, group a few contrasting forms rather than six of the same shape. Stand an upright Pulsatilla near the back for spring buds and seed heads. Let a trailing Aubrieta pour over the front edge. Drop a rosette Sempervivum between them for solid form once the flowers fade. Three shapes in one container read as a small mountain slope. Each one carries a different season, so your planting never looks bare. Buy one of each and you have a full alpine display for the price of a single shrub.
Read the full article: Alpine Plants: A Complete Grower's Guide
