An Herb Lover’s Guide to Botanic Gardens

Beautiful gardens around the nation

The knot garden at the U.S. Arboretum includes Thuja occidentalis 'Hetz Midget', Juniperus squamata 'Blue Star', Ilex crenata 'Piccolo', Artemisia 'Powis Castle', and Ilex cornuta 'Rotunda'. The knot is surrounded by Hedera helix 'Thorndale'.