Regional Gardening Reports :: National Gardening Association

Western Mountains and High Plains

December, 2010
Regional Report

Favorite or New Plant

St. John's Wort
I wish more gardeners would grow St. John's Wort (Hypericum) in their landscapes. This shrub is hardy to zone 4 and produces an abundance of yellow-orange flowers in summer. Most forms grow fairly slowly to reach three feet by three feet within five years or so. Plant in light shade and well-drained soil. Hypericum calycinum can be grown as a very durable ground cover.

Clever Gardening Technique

Protect Trees from Winter Breakage
A heavy covering of snow on upright junipers and other conifers is potentially damaging. Snow can weigh down branches and cause major breaks. Protect them by tying branches with strong twine or galvanized wire. Start at the base and wrap in a spiral pattern, working upward to the top.


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