Details
'Lady Stratheden' is an herbaceous perennial making a clump to 60cm in height, with hairy, dark green, pinnate basal leaves and purple stems bearing semi-double, rich yellow flowers 4.5cm in width
 
 
Hardiness
H7 - Hardy in the severest European continental climates (< -20)

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

Exposure
Exposed or Sheltered

Moisture
Moist but well-drained, Well-drained

Soil
Sand, Loam, Chalk

pH
Acid, Alkaline, Neutral

Size
Ultimate height
0.1-0.5 metres
Ultimate spread
0.1-0.5 metres
Time to ultimate height
2-5 years

How to grow
Cultivation
Suitable for the rock garden or front of borders. Avoid soil that is waterlogged
Propagation
Propagate by seed in pots in a cold frame in winter or propagate by division in spring or autumn
Suggested planting locations and garden types
Flower borders and beds Cottage & Informal Garden

How to care
Pruning
Cut back the old stems after flowering
Pests
Can get glasshouse red spider mite, aphids and sawflies
Diseases
Generally disease free