Thornton
DONOVAN ARBORISTS
We offer free estimates for tree planting, pruning, removal, cabling and bracing. We also specialize in trimming, transplanting and fertilizing shrubs and bushes. Contact us now, we are ready to help you.
Holistic Approach
We have the experience and knowledge to help you grow healthy trees and shrubs.
Free Estimates
We offer free estimates for tree planting, trimming, removal, cabling and bracing.
Certified Arborists
Our ISA Certified Arborists ensure that you get the highest quality tree care.
Tree Services in Thornton, Colorado
Plant Healthcare, Integrated Pest Management (IPM), and Emerald Ash Borer Treatment
Plant Health Care - Fertilizing and Tree Spraying
We believe in being proactive in preventing insect infestations and disease outbreaks in our customer’s trees and shrubs. This starts with identifying the pest risk for plants before it becomes an overwhelming issue.
Emerald Ash Borer
Emerald Ash Borer has killed 10s of millions of Ash tree in 21 states. We have many different treatment options to protect your Ash trees.
Integrated Pest Management (IPM) and Disease Control
We believe in being proactive in preventing insect infestations and disease outbreaks in trees and shrubs. We assess the pest situation to ensure action is taken as soon as possible to prevent further outbreak.
Services We Provide
Visit the link below to see a complete list of the services we offer.
Visit our Treeology Blog for more information:
CLIMATE CHANGE AND THE FUTURE OF COLORADO’S BLUE SPRUCE
Arbor Day 1892: Colorado schoolchildren vote to name the Blue Spruce as the state tree. The number of students casting their vote was limited. Golden High School had 63 children and Jeffco had 80 pupils plus 15 in kindergarten, according to the Castle Rock Journal (Oct 1892.).
To Fertilize or Not
Russia’s invasion of Ukraine will affect your garden this year. Whether you have a small victory garden or own a major farm, know that futures for urea fertilizer have jumped 32% since the invasion began Feb. 24, while diammonium phosphate, or DAP, futures are up 13%, according to Gro-intelligence.com.
Fall is Pine Nut Harvesting Time
One of the many joys of fall in Colorado is harvesting pine nuts. Long a staple in native diets, pine nuts have become a popular ingredient in today’s southwestern and Mediterranean cuisine as well as nutritious, high-energy snacks.