Details
D. tangutica is a medium-sized evergreen shrub of rounded open habit, with dark green, oblong leaves to 8cm in length. Fragrant flowers, whitish-pink within, rosy-purple outside, open in terminal clusters in late spring and early summer; fruit red
 
Hardiness
H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)

Aspect
South-facing or East-facing

Exposure
Sheltered

Moisture
Well-drained, Moist but well-drained

Soil
Sand, Clay, Chalk, Loam
 
pH
Acid, Alkaline

Size
Ultimate height
0.5-1 metres
Ultimate spread
0.5-1 metres
Time to ultimate height
10-20 years

How to grow
Cultivation
Grow in fertile well-drained soils in a sheltered position in full sun or partial shade. Not reliably hardy in exposed conditions. Resents transplanting
Propagation
Propagate by seed, softwood or semi-hardwood cuttings or grafting
Suggested planting locations and garden types
Flower borders and beds City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants Rock Garden

How to care
Pruning
Pruning group 1
Pests
May be attacked by aphids
Diseases
May be subject to a leaf spot

Info. courtesy of the RHS