Hydrangea integrifolia
Hydrangea integrifolia
November 19, 2018
Hydrangea involucrata Hortensis
Hydrangea involucrata Hortensis
November 19, 2018

Hydrangea involucrata

 
 
 
 
 
 
 
 
 

Hydrangea involucrata is a small, fascinating, relatively rare, member of the hydrangea genus. The flower buds, fully enclosed in involucral bracts, open with white ray florets surrounding bright mauve fertile flowers.

Inflorescence: Lacecap, 80mm across. Exquisite, intensely coloured small flowerheads.


synonyms: the Japanese name ‘Tama Ajisai’.

Imported from Japan to Europe by Philip Franz von Siebold (1796-1866).


Zones: 8 to 9

Size: Small (to 1m).



Color in neutral soil:
Bright mauve fertile flowers surrounded by white ray florets.

Color in acidic soil with AI present:
No change.


Involucral bracts enclose the flower bud.

Ray florets: 5 sepals with acuminate tips, entire, wavy edges, overlapping, 20mm diam.

Leaves: Pointed, slender, bristly (like suede) – similar to H. aspera, but small 70mm l x 20mm w.

English