General Culture:
Best grown in medium to wet soils in full sun to light shade. Tolerates poorly drained clay soils. Thrives in consistently moist soils.
Noteworthy Characteristics:
Salix repens, commonly called creeping willow, is a low-growing (repent) deciduous shrub that typically grows to 2' tall and spreads by creeping procumbent stems to 6' wide. It is native to Europe and Asia. 'Iona' is a dwarf cultivar that typically grows to only 4-6" tall but spreads to 18" wide. Narrow-oval leaves (to 1.5" long) are gray-green above and whitish-green beneath. Silvery catkins maturing to yellow appear in spring just before or as the leaves emerge. Species plants are dioecious (separate male and female plants). 'Iona' is a male clone.
Problems:
Willows are generally susceptible to a number of disease problems including cankers, blights, galls, leaf spots, powdery mildew and rust. Potential insect pests generally include borers, caterpillars and scale.
Uses:
Rock gardens. Slopes.
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Garden, 2001-2010