Featured-News
Do I Need to Water My Trees?
The answer depends on the age of the tree or shrub. Newly planted trees and shrubs need regular watering for approximately two years to help establish roots. Mature trees and shrubs native to Minnesota do not require frequent watering unless there are …
Emerald Ash Borer (EAB) in Minnesota Report for 2021
EAB Quick Facts: Summer 2021 Update We are entering the uphill side of the “death curve.” The number of ash trees declining and the speed at which they are dying is accelerating. Every community in the Minneapolis/St. Paul metro area is being impacted …
My City Tagged My Tree, Now What?
What should I do if the city marks my tree for removal? As Emerald Ash Borer (EAB) continues to impact trees across Minnesota and the Twin Cities metro area, some residents are returning home from work to find their ash tree marked indicating it must b …
Finding the Right Ash Tree Replacement
How to choose the best replacement if you have to remove your ash tree Many people across Minnesota are losing their ash trees because of Emerald Ash Borer (EAB), an invasive species of beetle from Asia. EAB larvae feed on the inner bark of ash trees, …
Three Things to Consider when Maintaining a New Home
You finally found your dream home and are starting to settle in. Perhaps you had an inspector review your home for structural issues; however, there is a lot to consider when it comes to maintaining your landscape and home. The Experts at Rainbow have …
Does Extreme Cold Kill Off Emerald Ash Borer?
Last Updated on February 4, 2022 After extended periods of sub-zero temperatures in the Twin Cities, is there a silver lining with Emerald Ash Borer (EAB) being eliminated? Sadly, no. While the extreme cold likely killed off some EAB, not enough insect …
Answers From The Arborists
You asked and we answered! Below are the tree questions we received throughout the Virtual State Fair Ask the Arborist series. Answers were provided through a series of YouTube videos, or are answered below. Thanks to everyone who submitted quest …
Minnesota State Fair Tree Facts
Trees might not be the first thing you think of when you look back on your visits to the State Fair. For many of us, that would be the food—on a stick, of course. However, once we get that special treat, the next step is often finding a nice shady spot …
Tree Benefits
Hover over the image below to see how the Emerald Ash Borer will affect your trees. We tend to take them for granted, but trees do a lot for us. Picture the difference between walking down a hot street with nothing green around and no trees overhead. N …
Tree Care on a Stick
Our Virtual MN State Fair Education Booth! Each year, Rainbow Treecare hosts a booth in the Education Building at the Minnesota State Fair. Our goal there is to educate the public about trees, the important benefits they provide, and how to care for th …
Get Your Spring Yard Clean Up Checklist
Spring Clean-Up Checklist for Trees and Shrubs Our experts have assembled this checklist to help you get the most from your spring clean up: Clear debris and weeds from the base of trees and shrubs. TIP: Skip the yard waste bags. Gather compostables li …
Scary Tree Stories That Will Chill You to the Bone
If you’ve been following us for any amount of time, you may be well aware of the fact that we’re pretty big fans of trees. That kind of love and dedication doesn’t change with the seasons either. As the air begins to chill, and the nights become longer, some of our beloved trees begin to shed their efficient solar panels and take on the look of the iconic backdrop for our spookiest holiday of the year.
Why Are My Leaves Yellow?
While you expect leaves to change colors in the fall, a tree with yellow leaves in the summer may indicate a health problem known as Chlorosis. Trees most commonly impacted by chlorosis include white oak, red maple, pin oak, river birch and white pine.
How to Handle Tree Storm Damage
Seeing a beloved tree toppled over or broken after a storm can overwhelm any homeowner. It might be hard to know where to start cleaning up, especially if your home has been damaged too. You may even have unknown businesses come to your door selling “e …
EAB in the Twin Cities: A Perfect Storm
Emerald Ash Borer has been called a natural disaster in slow motion. In reality, EAB spreads very quickly because it’s an invasive pest with few natural predators. The Twin Cities is Especially Vulnerable To EAB One in five trees in the Twin Cities Met …
Is My Ash Tree Worth Saving?
Emerald ash borer has been in the Twin Cities and greater Minnesota since 2009. There are established populations of EAB throughout the Metro Area. An ash tree infested with these small green beetles, has nearly zero chance of surviving without protect …
Be an Informed Tree Pruning Customer
We all want the best for our trees. They are a valuable part of the landscape, and we feel a strong attachment to them. Finding the right company to trust with their care can feel overwhelming. However, establishing a long-term relationship with the ri …
Tree Planting Basics
There’s an old saying, “The best time to plant a tree is twenty years ago.” While it makes a humorous point about how long it takes trees to grow, it’s not very practical advice. The other half of the saying is more inspiring: “The second best time to …
7 Signs of Winter Injury and What You Can Do About It
Now that we are more than halfway through with the winter – and hopefully the worst of it behind us – we can start looking forward to the thawing out process. However, as we slowly move closer towards spring, you may notice the browning on your trees a …
Where’s the deadwood?
January is the time for resolutions and new beginnings. Have you added getting your yard – especially your trees – in shape to your list for this year? Tree pruning (trimming) can be done any time of the year for all trees except oaks and elms. However …
5 Reasons To Prune Your Trees This Winter
Why trim (prune) your trees? Just like people, trees need a routine trim or in the case of trees a good prune. Pruning gets rid of dead and unwanted ends and keeps tree crowns looking tamed and healthy. Like most things that don’t make it to the top of …
So What is Bur Oak Blight?
What causes bur oak blight? Bur Oak Blight (BOB) is a fungal disease affecting bur oak trees in Minnesota, Iowa and neighboring states. In recent years, this disease has increased in prevalence as spring arrives earlier and brings warmer and wetter wea …
Fall Tips for Trees
Fall is the time when you prepare your yard for the cold winter months ahead.
Why Prune Trees in the Winter?
As we head into colder months, now is the ideal time to assess your trees for winter pruning!
The Summer Storms are Rolling on in!
With the summer rolling in so are those summer storms. We all are worried about how to protect our homes during this season; one of the best ways is to prepare your property, specifically your trees. You may be wondering, “How do I do that?” Well fear …
Spring Insects and Prevention
Prepare to see more activity with spring insects: centipedes, ants…
Prepare Your Trees This Spring
We recommend the following to prepare your trees for a good start this spring.
Emerald Ash Borer Continues to Spread
Bloomington and Eagan have identified EAB infest…