Horticultural Services
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Plant Select program is a leading non-profit cultivator, distributor and educator of plants designed to thrive in the high plains and inter-mountain region.
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Colorado Master Gardener
The Colorado Master Gardener help desk in Boulder County is open for phone calls, emails, or walk-in consultations every Monday and Thursday, and virtually on Fridays from 9 a.m. to 1 p.m. from March 1 through October 31. Email them at mggpa@bouldercounty.gov, or contact by phone at 303-678-6388.
Do you have a horticulture question? Please reach out to our Master Gardeners.
Plant diagnostic services
Diagnostic services available: the CSU Extension Boulder County plant diagnostic services consist of paid staff and volunteers with specialized training in plant problem diagnosis through visual inspection and microscopy.
- Visual plant diagnostics for identification of diseases, disorders, and insects. $7 Boulder County resident; $11 non-resident
- Weed/Plant ID $4 each; Boulder county residents first 2 free.
- Virus testing for Cucumber Mosaic virus, Impatiens Necrotic Spot virus, Tomato Spotted Wilt virus, and Tobacco Mosaic virus. $25
*Culturing and advanced diagnostic services available through the CSU Plant Diagnostic Clinic in Ft. Collins or the Jefferson County Plant Diagnostic Clinic in Golden.
Request a Site Visit
Commercial horticulture & HOA site visits
Who: These site visits are for any commercially managed property including HOAs, parks, churches, businesses, etc. (not individual homeowner’s yard) and/or Green Industry clients with plant/landscape issues/questions. For individual home owners, please see our Master Gardeners.
What: The Boulder County horticulture agent will walk the property and assess overall landscape health and management. The agent will identify plants and weeds, look at irrigation issues and answer your specific questions. There is a $75/hr. site visit fee and they typically last 1-2 hours depending on the size of the property. For an additional $25 the agent will write up a comprehensive report detailing everything discussed during the visit and will include recommendations and resources.
When: Site visits are typically conducted during the growing season (April-October), but they will be scheduled outside of that time if necessary.
How: Please contact Sheila Prentice at:
Green Industry Site Visits
On-site visits for people working in the green industry (nurseries, arborists, landscape professionals, design, etc) are available. To schedule your site visit, please contact Micaela Truslove, or call 303-678-6286.
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