Contact your local county Extension office through our County Office List.

Planttalk Colorado™ is sponsored by Colorado State University Extension, Denver Botanic gardens, and the Green Industries of Colorado. For additional information on gardening, see Plant Select® and Extension Publications.

Annuals & Perennials   Arrow divider image - marks separation between nested pages that are listed as breadcrumbs.

Annuals (need to be planted each year)


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Perennials (planted once and return each year)


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General Information

Hanging Flower Basket

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Water Gardening

Water gardening

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