Canada thistle. Canada thistle (Cirsium arvense), an invasive noxious weed from Europe and Asia, grows 2 to 4 feet tall and has oblong spiny leaves and clusters of 1 to 5 small, tubular flowers that ...

In Colorado's wide-open eastern Plains, the weeds blow ahead of storms, piling up on the fences that line both sides of roads. They remain a problem this summer, and Pueblo County on Monday joined ...

Colorado gardeners eyeing warmer USDA growing zones should be careful, experts say The map was updated for the first time since 2012, but don’t load up on heat-loving perennials just yet ...

Zone 5, full sun (very heat tolerant), well-drained soil, moderate watering. A touch of electric lavender outer petals with creamy white centers and dense silver foliage, 15-20 inches tall and 10 ...

Colorado gardeners eyeing the U.S. Department of Agriculture’s newly updated Plant Hardiness Zone Map, which now places much of the state in a warmer growing zone, should hold their horses ...

With record warm and dry weather for mid-September in Southern Colorado there is a warning about increasing wildfire danger, especially grass fires. 1 weather alerts 1 closings/delays.

It can be grown from zone 3 to zone 10 and can handle high heat and drought. Plus, as a bonus, the seedheads in the fall are some of the finest and are adored by gardeners for their seasonal interest.

More than 1,000 goats at work at Lockheed Martin to clear brush 00:22. Some goats are working hard in Colorado to help clear brush designed to reduce the risk of wildfires.