About
A low-growing, creeping perennial forming a dense, leafy mat. In spring and summer it produces starry, white or pale blue flowers on short stalks. Grow on a rock garden or in cracks between paving.
About the genus
Isotoma can be annuals or perennials, with pinnately lobed leaves and long-tubed, salver-shaped flowers
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, North-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH3
Plant details
Plant typeAlpine Rockery
HabitMatforming
FoliageEvergreen
HeightUp to 10 cm
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesRock garden
Care notes
CultivationGrow in moderately fertile, moist but well-drained soil in full sun
PruningNo pruning required
PropagationPropagate by division
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free