Thursday, November 8, 2007

Landscape - Recommended Plants for Kent County

This is the first in a series on recommended landscape plants for Kent County. Green Giant Arborvitae is a good choice for a screen, border planting or windbreak. It is a good replacement for Leyland Cypress.

'Green Giant' arborvitae (Thuja standishii x plicata) is a National Arboretum introduction. It comes from a single selection originating from a cross between Japanese Arborvitae and Giant Arborvitae. ‘Green Giant’ is adapted to our Mid-Atlantic climate (heat and humidity), is tolerant of a wide variety of soils, is low maintenance, and is disease resistant. One possible concern would be bagworms. Green Giant arborvitae has a broad pyramid growth habit with mature size of 30-40 feet. It can be used as an evergreen screen, windbreak, or hedge and as specimen plant. It is somewhat tolerant of shade and is deer resistant. Growth rate is 1-2 feet per year with growth after 10 years on 20 feet in height and 8 feet in width. It roots readily from cuttings for nursery propagation. It is a good replacement for Leyland Cypress.

Gordon Johnson, Extension Horticulture Agent, UD, Kent County

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