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Science-based gardening information for Colorado communities from CSU Extension, Denver Botanic Gardens, and Green Industries of Colorado.

Reliable, timely information on more than 600 horticultural topics.

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PlantTalk covers various topics including how to plant a tree, lawn care, houseplants, seed starting and more.

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Colorado gardening blogs combined into one location for easy viewing.

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Emerald Ash Borer

Emerald Ash Borer (EAB), detected in Boulder, Westminster and Larimer county, is a nonnative insect with no natural enemies to keep it in check.

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