What’s the favorite holiday at Donovan Arborists? Arbor Day, of course! And in Colorado Arbor Day is celebrated on the third Friday of each April. This year that gives us a one-week jump on the national celebration, held on the last Friday of the month, the 27th.
The next time you check your 401k give a nod to the American sycamore. It was under the shade of one, also known as a buttonwood tree, that financiers gathered in New York City in 1792 to sign the Buttonwood Agreement, creating the New York Stock Exchange.
The US Department of Agriculture publishes a list of Plant Hardiness Zones to help gardeners determine which plants are likely to survive in a given geographical location. But these zones are based on average minimum winter temperatures and don’t take other factors like precipitation and soil condition into account. Most of Metro Denver falls in USDA Zones 4-6, but with the wide range of growing conditions facing Coloradans, knowing a climate zone may not be enough information for successful planting.
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