Hydrangea involucrata ‘Hortensis’

synonyms: H. i. ‘Hortensia’

Imported from Japan to Europe by T. Smith in 1867.

Hydrangea involucrata 'Hortensis'

Hydrangea involucrata ‘Hortensis’ is a slow-growing, fragile, small shrub with weak stems. Propagation by suckers.

Inflorescence: Lacecap, 90mm across. The flowerhead is very irregular and has a tendency to droop. The involucral bracts open to reveal semi-double ray florets surrounding pink complete flowers.

Colour in neutral soil:                          Pink fertile flowers with white ray florets
Colour in acidic soil with Al present:   Pink fertile flowers with white ray florets

AGM Award of Garden Merit

1992-2012

 

Hydrangea involucrata 'Hortensis' floretRay florets: 8 sepals, arranged in a whorl, rounded, entire, overlapping, 15mm diam.

Zones: 5 to 9

Size: Medium (to 1m).

Hydrangea involucrata 'Hortensis' leaf

Leaves: Pointed, slender, bristly. Venation pattern: pinnate, veins faint and dark on adaxial surface, conspicuous and light on reverse. 140mm l x 70mm w.