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Care of the plant Isotoma axillaris or Blue star creeper.

Care of the plant Isotoma axillaris or Blue star creeper

The genus Isotoma, family Campanulaceae, comprises 12 species of perennial herbaceous plants native to New Zealand and Australia. Some species are: Isotoma axillaris, Isotoma longiflora, Isotoma tridens, Isotoma anethifolia.

Common names: Showy isotome, Rock isotome, Blue star creeper, Star flower, Laurentia. This species is native to Australia.

They are evergreen herbaceous plants (annuals in cold regions) with a creeping habit that reach 35 cm (13.77") in height. They have elongated, very lobed, light green leaves. The abundant blue flowers are star-shaped; there are varieties of white or pink flowers. They can bloom from spring to early fall.

They are used in pots for balconies and terraces, to cover slopes, on edges and on rockeries; they combine with Bidens, Oenothera, Dianthus, Bacopa and Diascia. They are ideal for Mediterranean coastal gardens.

Isotoma axillaris is a fast-growing plant that needs very sunny exposure. It resists frosts down to -2 ºC (28.4 ºF).

The soil must be well drained and contain organic matter. The planting is done in spring.

Water moderately, waiting for the substrate to dry.

Fertilize with compost at the time of planting.

Prune withered flowers to favor the appearance of new ones.

They are plants resistant to pests and diseases but sensitive to excess watering.

They propagate from seeds sown in spring.

Images of the plant Isotoma axillaris or Blue star creeper

Isotoma axillaris
Isotoma axillaris
Isotoma axillaris