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Hydrangea macrophylla/Hydrangea

Hydrangea macrophylla / Hydrangea macrophylla
Large clear pink inflorescence
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Large clear pink inflorescence

Flower head and foliage

'Pia' , dwarf hydrangea growing to only 2-3 feet tall

Well established planting of mop head hydrangeas

Large shrub in flower with flat, lacecap type flowers

Lacecap hydrangea showing center sterile flowers around the edges and fertile flowers in the center

One of the many more recent introductions of hydrangeas

White lacecap plant in full flower

A white lacecap hydrangea with fertile flowers in center and sterile flowers around the edges of the inflorescence

Dried flowers like this in late autumn and winter are very effective in dried arrangements

A hydrangea in full bloom in early summer

Pink flowers usually indicate alkaline soil reactions

Borders of hydrangeas at Rosedown Plantation Historical Site in St. Francisville, LA in early summer

Specimen hydrangea in full bloom

Typical hydrangea in late summer after flower color has faded

Typical lacecap flower

Developing lacecap hydrangea flowers and foliage

Blue colors usually indicate acid soil reaction

Spreading lacecap hydrangea

Typical mop head inflorescence

Pink flowering hydrangea a few days from being at height of bloom stage

Mop head bloom heads can be enormous

A clear rosy pink

In a California landscape

In Vancouver, Canada in early September

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Scientific Name: Hydrangea macrophylla
Common Name: Hydrangea
Plant Type: Deciduous
Leaf Type: Broadleaf
Hardiness Zone: 6, 7, 8, 9 Determine Your Zone
Height: 5-8 feet
Spread: 3 -5 feet
Bloom time: Spring
Flower color: Various
Light Exposure: Sun, Part Sun, Filtered Shade
Drainage: Well drained, Moist,
Rate of Growth: Moderate
Water Requirement: Medium
Maintenance Level: Low
Susceptible to insects
and diseases:
Landscape Categories:
Comments: Flower color, except for those that are always white, is determined by the availability of aluminum in the soil in which the plant is growing. In acid soils where aluminum is available, the flowers are blue. In alkaline soils, the flowers are pink. Leaf color varies from light to dark green and there are varieties with variegated leaves. Plants may be regular size and up to 8-10 feet, while the dwarf varieties are only 2-3 feet.