About

Mulinum spinosum is a cushion-forming, spiny sub-shrub from South America producing compact mounds of spine-tipped leaves. A rewarding plant for a sunny, very well-drained rock garden or raised bed.

About the genus

Mulinum are cushion-forming, spiny sub-shrubs from South America forming compact mounds of spine-tipped leaves in the carrot family (Apiaceae). Grown in sunny, very well-drained positions.

Growing conditions

SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing
ExposureSheltered
UK hardinessH2

Plant details

Plant typeConservatory Greenhouse, Herbaceous Perennial
HabitSuckering
FoliageEvergreen
Height2.5-4 metres
Spread1.5-2.5 metres
Time to full height5-10 years
Suggested usesPatio and container plants
Native toChina

Care notes

CultivationFor banana cultivation under glass grow in peat-free, loam-based potting compost in full light with shade from hot sun; repot every other year, in spring. In warmer parts of the country for outdoors grow in a sheltered position in humus-rich well-drained soil in full sun
PruningSee banana cultivation notes (above) for wrapping and overwintering
PropagationPropagate by seed as soon as ripe at 21-24°C (70-75°F); presoak spring sown seed for 24 hours. Separate suckers in early spring, removing older leaves or divide established clumps every five years
Pest resistanceGlasshouse red spider mite, mealybugs and aphids can be troublesome under glass
Disease resistanceGenerally disease-free