This species has naturalized in China, New Zealand and the Americas. It is reported from seaside habitats as well as mountains in Japan, from Honshu southwards. Hydrangea macrophylla species is native to Japan.Prune out weak or winter-damaged stems in early spring. This beautiful deciduous shrub should be pruned after flowering by cutting back the stems to a pair of healthy buds.Spent flowers should be regularly deadheaded.Treatment should occur ahead of time (late fall or early spring) To change the color of your Hydrangea, add aluminum sulfate to the soil to make the flowers bluer or add lime to the soil to make them pinker.Massed in a sheltered location or as an accent plant. Perfect from foundation plantings to container plantings.Watch for aphids, capsid bug, hydrangea scale and vine weevil. Tolerant of sun if the soil remains moist. A part shade lover, it is best grown in rich, medium moisture, well-drained soils. This deciduous shrub has a round, bushy habit, typically growing up to 3-4 ft.Perfect to create a lovely hedge or use as a specimen or accent for foundations and other locations near homes or patios. Compact, this elegant lacecap hydrangea creates drama in the garden. Even if old growth buds are winter damaged, the plant still flowers in summer on new growth. A prolific reblooming hydrangea, 'Star Gazer' blooms on both old and new growth. Blooming from early summer to fall, the attractive blossoms are borne on sturdy stems and do not flop. The flower heads are either pink (acidic soil) or blue (alkaline soil). A particularly pretty lacecap hydrangea, Hydrangea macrophylla 'Star Gazer' features spectacular, starry, double florets adorned with white picotee edges over a long season.
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