Details
'Silver Swan' is a variegated selection with white edging to the leaves and bracts, giving a striking appearance. The flowers may open to show a reddish-orange eye, but may be shy to do so.

Hardiness
H4 - Hardy through most of the UK (-10 to -5)

Aspect
South-facing or West-facing or East-facing

Exposure
Sheltered

Moisture
 
Well-drained

Soil
Sand, Chalk, Loam

pH
Acid, Alkaline, Neutral

Size
Ultimate height
0.5-1 metres
Ultimate spread
1-1.5 metres
Time to ultimate height
2-5 years

How to grow
Cultivation
Grow in well-drained, light soil in full sun
Propagation
Propagate by division in early spring or take basal cuttings in spring or early summer; dip cut surfaces in charcoal or lukewarm water to prevent bleeding
Suggested planting locations and garden types
Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care
Pruning
Cut back flowering shoots to ground level in late summer or autumn
Pests
Prone to aphids
Diseases
Generally disease free