It looks best in a naturalized woodland setting, beneath shrubs and trees. They can easily become overrun by competing perennials ... irrigation or that has standing water because they prefer to stay ...
The cold snap in December, and the wet, sunny summer is thought to be the reason for the early bloom. Batsford Arboretum The trees have been there since the 1950s Batsford's head gardener ...
They have had a chance to finish all of that work and acclimate to the cold. Both trees and summer-blooming shrubs should be pruned in late winter to early spring before bud break. As for spring ...