Rainbow Treecare, Lawncare, Pest Experts

09/11/2026

How Many Trees Will You Save? Pt. 2

09/11/2026

Sticky leaves, black sooty mold, and extra bee or wasp activity around your magnolia could point to magnolia scale. Our latest blog explains how to spot the warning signs, why timing matters for treatment, and what steps can help protect your tree’s health before damage gets worse.

Learn how to spot and treat magnolia scale before it harms your tree. Discover simple, proven tips to keep your magnolias healthy and thriving for years.

09/10/2026

Olive-green leaf spots, early leaf drop, and blemished fruit can signal apple scab. Our latest blog explains how to spot this common fungal disease, why spring timing matters for treatment, and what steps can help protect apple and crabapple trees season after season.

Apple scab is a common fungal disease that spots leaves and fruit. Learn to spot the symptoms, treat your apple and crabapple trees, and prevent it.

09/09/2026

Seeing clusters of black-and-red bugs on sunny siding this fall? They’re likely boxelder bugs looking for a warm place to spend the winter. Our latest blog explains what to expect this season, why these pests show up around Minnesota homes, and the best ways to keep them from getting inside.

Expect more boxelder bugs in Minnesota this year. Learn why, how long they live, and how Rainbow Pest Experts can help eliminate them for good.

09/08/2026

Birch trees add beautiful color and texture to Minnesota landscapes, but they can also suffer from drought stress, bronze birch borer, and leaf miner damage. Learn more about common issues to watch for, care practices that support long-term health, and steps homeowners can take to help their trees stay strong.

Birch trees in Minnesota anchor our northern forests and feed hundreds of species. Learn the types, their role, and how to keep yours thriving.

09/07/2026

During this season’s dry conditions, how long you should water your lawn depends on whether you are watering new seed, fresh sod, or an established lawn.

How much should you water your lawn? Our expert breaks down how to ...

09/04/2026

Arborists' Favorite Trees Pt. 5

09/03/2026

For this dry summer, a slow trickle from the hose, a watering bag, or a bucket around the base of the tree can all help deliver steady moisture where it is needed most. Watering early in the morning or later in the evening can also help reduce evaporation.

09/02/2026

Dry summer weather can put serious stress on residential trees. The Minnesota DNR is encouraging homeowners to give newly planted trees extra attention right now.

The Minnesota Department of Natural Resources encourages homeowners, residents and community tree caretakers to help newly planted and established residential trees stay healthy during dry conditions.

09/01/2026

Drought stress is a serious concern this season, especially for newly planted residential trees. Give new trees 15–25 gallons of water once a week for the first three to five years. If you received more than 1 inch of rain in the previous week, you can skip that watering.