What Is the Ideal Temperature Range for hydrangea 'Adria'?
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hydrangea 'Adria' · Hydrangea macrophylla 'Adria'
Grow in moist but well-drained, humus rich soil, in a lightly shaded spot with shelter from direct hot sun. Mulch annually in spring. Soil additives may be required to maintain specific flower colours; this cultivar gives good blue colour when grown in acidic soil or ericaceous compost. See shrubby hydrangea cultivation for more detailed advice
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