Sunday, February 7, 2010

Hydrangea macrophylla

Hydrangea

Hardiness: to -10
Sun: morning sun, afternoon shade
Soil: rich, well-drained, plenty of organic matter; mulch plant
Water: average water
Height: 4' - 8'
Spacing: 4' - 8'
Bloom time: late spring, early summer
Blooms: pink to blue; depends on cultivar and soil acidity
Foliage:
Propagation: cuttings
Additional notes:
Most cultivars bloom on old wood.
If plant dies to the ground in winter, it won't bloom that year.
If you start months ahead of time, you can change the color of the blooms on some cultivars by making the soil more alkaline for pink or more acidic for blue.

Cultivars:
Endless Summer - blooms on old and new wood, reblooms
Light O Day - variegated leaves; beautiful even with no blooms!

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