Green Guides

Clematis hybrida ‘Rooguchi’

Opening up from black buds in May, the shiny, cobalt-blue flowers are extremely uniform, bell-shaped and about 2 inches long.

Year in review: Mark Dwyer, ‘Green Guide’ columnist

Viburnum plicatum f. plicatum ‘Popcorn’

Allium thunbergii ‘Ozawa’

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