Eurybia macrophylla 'Twilight' (rough wood aster) is a member of the Asteraceae family. This perennial exhibits a bushy, clump forming growth habit and is characterized by its deciduous foliage. It has a hardiness rating of hardy – average winter (-10 to -5ºc) and is hardy through most of the UK apart from inland valleys, at altitude and central / northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plants in pots are more vulnerable.
When fully mature, Eurybia macrophylla 'Twilight' can reach an ultimate height of 0.1–0.5 metres and a spread of 0.1–0.5 metres. For optimal growth, it prefers east–facing or north–facing or south–facing or west–facing aspect and exposed or sheltered positions. It thrives best in chalk or clay or loam or sand soil types and should be placed in full sun or partial shade.
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