The Emerald Ash Borer has been in the news a lot recently, but it is only one of a swarm of exotic threats that menace the natural environment of the United States. Denver Botanic Gardens is a partner in the Sentinel Plant Network, a joint effort of the National Plant Diagnostic Network (NPDN) and the American Public Gardens Association (APGA) that is funded by the USDA's Animal and Plant Health Inspection Service.
Between now and February 24, the Orangery at Denver Botanic Gardens is hosting the annual Orchid Showcase. In addition to the blossom show being put on behind the glass walls of the collections greenhouses, the transitional space of the Orangery itself is festooned with orchids, mostly hybrids of the genus Phalaenopsis.
Spells of fairly warm winter weather are a hallmark of Colorado’s Front Range, providing us lucky residents a great chance to spend some time outdoors when our more easterly neighbors remain oppressed by grey cold. Conifers are great for some winter greenery both in the wild and in gardens, but don’t overlook their more evolved cousins, broad-leaved evergreens. Like the coniferous sort, broad-leaved evergreens hold