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Shrub
Bushy
old H4 (hardy)
Yellow in Spring and Summer
Green and Grey/Silver in Autumn, Spring, Summer and Winter
0.1-0.5 metres
2-5 years
shrubby mullein
Scrophulariaceae
Verbascum can be annuals, biennials, perennials or subshrubs mostly with hairy leaves and 5-petalled, saucer-shaped flowers
V. dumulosum is a mat-forming evergreen subshrub to 30cm in height and width, with elliptic, hairy grey-green leaves and short racemes of bright yellow, 5-petalled flowers 1.5cm in width, the stamens with some purple hairs
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Grow in poor alkaline well-drained soil. Grow on its side in a wall crevice, or in a gravel or scree bed
Propagate by semi-hardwood cuttings
City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Gravel Garden, Mediterranean Climate Plants or Rock Garden
No pruning required
May be attacked by caterpillars and figwort weevil
May be subject to powdery mildews
© The Royal Horticultural Society 2011 / RHS Registered Charity № 222879/SC038262