About
Platt's Black' is a low, mat-forming perennial with small, fern-like leaves that are bronzy-black with green tips. Insignificant yellowish-green flowers appear in summer.
About the genus
Leptinella are annuals and creeping, tufted or mat-forming perennials, forming low carpets of finely-divided, often aromatic, fern-like leaves. Button-like flowerheads on short stalks appear from late spring to summer
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeAlpine Rockery
HabitMatforming
FoliageSemi evergreen
HeightUp to 10 cm
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Gravel garden, Patio and container plants, Cottage and informal garden
Care notes
CultivationGrow in soil that is well-drained but does not dry out, in a sunny or semi-shaded position. Good on walls or between paving but aggressive spreading means it has potential to become a nuisance in more open spaces
PruningNo pruning required
PropagationPropagate by division in spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free