News Briefs

Plant Sales
Spring plant sales whose proceeds support public gardens, garden clubs and other groups will take place this month.  Watch your local newspaper for announcements/ads and see our events page.

Plant It Forward to Support Those in Need
This spring and summer when you are planting fruits, vegetable and herbs, please consider planting a few extra plants and donating the extra produce to feed the hungry.

Gardening Classes
Garden centers are offering gardening classes in May as we begin the busy gardening season.  Some of the classes are offered virtually, giving you the opportunity to take classes you normally wouldn't travel to.  Others are offered in person.  Most are free or low cost.  See our Events page for a list of some upcoming classes.

New Art Display at Denver Botanic Gardens Opens
The Freyer-Norman Center Galleries at Denver Botanic Gardens, are featuring works by Ursula von Rydingsvard: The Contour of Feeling exhibit.  This exhibit of large cedar sculptures will run from April 30 through September 11. See for details.

Free and Low Cost Trees
Denver Digs Trees, a branch of The Park People, offers Denver residents the opportunity to get free and/or low cost yard and street trees. Please see for details or to complete an application.

Mark Your Calendar
Denver Botanic Gardens and DBG at Chatfield Farms once again have Free Days this year.  The Free Days program is funded by the Scientific and Cultural Facilities District (SCFD) sales tax. Unlike previous years, advanced online registration is now required due to Covid. This is the 2022 schedule:  Jan. 17, Feb. 17, Mar. 16, Apr. 21, June 7, July 6, Aug. 16 and Nov. 25.

Gardening Books on Sale
Colorado Gardening is closing out its garden bookstore and has reduced the price of the gardening books that we offer for sale.  Please see our Garden Books page for some real bargains on some great books for gardeners.  Shipping is free. 
Public Gardens
Denver Botanic Gardens, DBG at Chatfield Farms, Betty Ford Alpine Gardens, Hudson Gardens, Western Colorado Botanical Gardens and The Gardens on Spring Creek are open.  Some of these gardens are limiting visits to a capped number of visitors who must purchase timed tickets online.  Please see their websites for important details regarding what features are open/closed, new procedures to be followed, etc.

Rose Art Photography Book
Stan Griep, aka Stan the Rose Man, has a lovely book available for those who love roses.  Stan is a Master Rosarian who has spent years growing roses, showing roses at rose shows, and answering questions about roses (including for our Colorado Gardening website visitors).  Please check out his book at

CSU Extension Gardening Blog
Get expert science-based gardening information at  You will find articles on a wide variety of topics by Colorado State University Extension horticulture agents and specialists.

Gardening Webinars
Can't make it to gardening classes but want gardening information from a local expert?  Check out the gardening videos on Tagawa Gardens' webinar page at

Beekeeping Classes
Hudson Gardens offers a comprehensive series of classes on beekeeping that cover topics such as pollination, harvesting honey, pests and diseases, etc.  For more information see




Plant Select Selections
The latest plants to earn the Plant Select designation have been announced.  Plant Select is a cooperative program administered by Colorado State University, Denver Botanic Gardens, and landscape and nursery professionals throughout the region.  It annually recommends plants that have been tested and found to be especially suited to gardens in the Rocky Mountain and Plains states.  For detailed descriptions and photos of the plants please see
     An additional feature is the
Plant Select Petites program which showcases plants of smaller stature.  The program also promotes innovative ways to utilize these plants, such as in troughs, rock gardens, patio gardens, fairy gardens and containers.  See for additional information and to see photos of the plants.

Gardening Problems or Questions???
Answers for Gardeners
     CSU Extension Service answers gardening questions by e-mail.  Go to and click on "Ask an Expert" in the menu.  You may also call your county's CSU Extension Service office with questions. 
     Most garden centers have expert, experienced staff who can provide gardening advice.  Some garden centers also offer diagnostic centers where you can bring in samples of unhealthy plants.
     Master Gardeners are available through Denver Botanic Gardens to answer questions.  From November through March you can contact them from 12 - 4 p.m. on Tuesdays. From April through October you can contact them on Tuesdays, Thursdays and Saturdays from 12 - 4 p.m.  You may reach them by phone at 720-865-3575, or by e-mail at

Jeffco Plant Clinic
Bring plant and turf samples M - F, 8:30 to 4:30 p.m. for help with diagnosis of disease, identification of insects, plant identification and plant and pest management recommendations.  The clinic is located at the Jefferson County Fairgrounds in Golden.  Call 303-271-6620 for directions or information.  Some services and tests have a small fee.

NoCo Bloom
Gardeners in Northern Colorado have a resource for gardening information.  Colorado State University, Larimer County CSU Extension and the Gardens on Spring Creek are working collaboratively to publish NoCo Bloom.  Four issues will be published annually: March, May, July and September.  You will find this free publication at garden centers, community centers, public gardens and the Larimer County Extension office.  See it online at

Call Before You Dig
Are you planting trees, building fences or doing other landscape projects that require digging or excavating?  Call 811 before you dig.  Pipeline companies and other utilities will mark the location of their lines at no cost to you. For additional information see

Emerald Ash Borer
The discovery of Emerald Ash Borers in Boulder is alarming many people, due to the highly destructive nature of this pest. For accurate, up-to-date information please see, a website set up by the Colorado Department of Agriculture. Sadly, this pest has spread to several parts of Boulder County and nearby areas.

Mountain Pine Beetle
The Mountain Pine Beetle is gaining additional attention now that it is invading populated areas along the Front Range.  "Catastrophic" damage is predicted.  For information on this pest, including tips on how to prevent and control it, please see the article "Mountain Pine Beetle" at

Do Your Part to Corral Tree Pests/Diseases
Firewood often harbors pests and diseases.  You can do your part to limit their spread to new areas by using only local firewood.  Do not transport firewood across state lines.

FireWise Communities
     Homeowners are reminded of the need to take special caution with landscapes in areas that are likely to be threatened by fire.  FireWise Communities is a highly informative website with lots of helpful information for people who live in fire-prone areas.  Visit the website at

Seedling Tree Program
     The Colorado State Forest Service seedling nursery program allows landowners to obtain trees at a nominal cost. To successfully achieve conservation goals landowners are encouraged to plant new forests, restore land after natural disasters such as fires or floods, establish effective windbreaks that reduce erosion, protect homes, cropland and livestock, and enhance wildlife habitat. Trees and shrubs are grown at the CSFS nursery for conservation benefits only. See