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1981•Journal of the American Society for Horticultural ScienceOpen access

Cold Hardiness Capability of Woody Ornamental Plant Taxa1

Harold Melvin Pellett, Margaret Gearhart, Michael A. Dirr

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Abstract

Abstract Stems of many woody ornamental plant taxa were collected in midwinter and hardened to their maximum capability under laboratory conditions. Hardiness levels were determined and compared to zone recommendations as listed in Hortus III and Rehder’s Manual of Cultivated Plants . Many woody plants had a greater midwinter cold tolerance than their hardiness ratings would infer.

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Abstract Stems of many woody ornamental plant taxa were collected in midwinter and hardened to their maximum capability under laboratory conditions. Hardiness levels were determined and compared to zone recommendations as listed in Hortus III and Rehder’s Manual of Cultivated Plants . Many woody plants had a greater midwinter cold tolerance than their hardiness ratings would infer.

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Available abstract

Abstract Stems of many woody ornamental plant taxa were collected in midwinter and hardened to their maximum capability under laboratory conditions. Hardiness levels were determined and compared to zone recommendations as listed in Hortus III and Rehder’s Manual of Cultivated Plants . Many woody plants had a greater midwinter cold tolerance than their hardiness ratings would infer.

Key concepts: Hardiness (plants), Ornamental plant, Woody plant, Botany, Biology, Horticulture, Cultivar

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