Botanical Name: Hydrangea macrophylla
Common Name: Bigleaf hydrangea
Type of Plant: dicot: shrub
Character deciduous
 
Habit of Growth:
Overall Shape large, rounded, symmetrical shrub with large coarse leaves and rounded flower clusters
Height to 10'
Spread to 10'
Growth Rate rapid
 
Environment:
Exposure outdoors half shade to shade – can tolerate full sun at coast
Soil prefers a rich, well-drained soil
Hardiness hardy, (zones 3-9, 14-24); prefers mild climates
 
Morphology:
Leaves ovate, to 9" long, opposite, strongly veined coarsely serrate, glossy dark green, paler beneath
Flowers rounded to flattened clusters of sterile and fertile flowers – clusters to 10" across
Fruit small capsules (fertile flowers only)
 
Propagation:
semihardwood cuttings
 
Usage:
good source of summer color in forest or subtropical landscapes, good in mass plantings or in containers
 
Landscape Care:
Watering needs ample watering
Fertilizing give aluminum sulfate for blue flowers, superphosphate for pink flowers
Pruning head back and thin out in early spring
Pests/Diseases aphids
Special Conditions/Other reduce number of flowering stems for biggest bloom
 
Origin: Japan
Family: Saxifragaceae

Notes:
 
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