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Weed Control

Crabgrass Control

Crabgrass is a “grass weed” not a broadleaf weed and cannot be controlled or eradicated by a broadleaf spray.  Treating crabgrass is a time specific service that is only effective in the spring once the soil warms up and reaches a specific temperature.

  • The annual Crabgrass weed loves sunlight and hates shade
  • Appears most often along curbside, driveway, and walkways
  • Will take over in thin unhealthy growing turf areas of your lawn

Crabgrass Treatment

  • Two treatments of pre-emergent are applied 30-45 days apart in the spring when the soil temperature is ideal
  • Crabgrass treatment will prevent seeds from germinating and can kill new plants that have grown to the second or third tiller stage (2-3 blades of grass on the stem exist)
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Crabgrass weed
Weed free shrub bed in Spokane County

Start the Spring out weed free! Contact Empire Spray today.

Weed Spray FAQs

Weed Free Shrub Beds

Keep your flower and shrub beds free from weeds and your hands free to do more important tasks.

Our flower and shrub bed treatment process includes the application of a preemergent product on the ground where established plants grow which suppresses seed germination through the season.

Recommended Treatment Schedule

March – June

  • We recommend application in the spring before new growth begins to emerge. The sooner your bed is treated the better.
  • Beds must be clear of debris including leaves, pine needles, branches, pine cones, etc.
  • Touch up applications are scheduled to kill any growth that may have broken through due to tolerance or ground disturbance. We only apply if needed.

Important Treatment Facts

  • The product is safe to apply over established plants, bushes and shrubs to help prevent weeds from growing up the middle.
  • The preemergent degrades faster (loses efficacy) in bed areas that are over watered and/or have poor drainage that creates pools of water.
  • Treated areas where the top soil has been disturbed significantly by erosion or digging will be susceptible to new growth.
  • Plants that are already established (potted plants) can be safely planted in treated areas, however seeds can not.

Residential & Commercial Bare Ground Spray Treatments

Bare ground Treatments control all vegetation growth throughout the season in areas that do not have other established plants growing such as parking areas, driveways, walking paths, rocked areas, etc.

Our bare-ground treatments will improve the curb appeal at your home or business and eliminate this chore from your to-do list!

Treatment Schedule

March – June

  • Treatment is most effectice when applied in early spring before growth begins
  • 1-2 Touch-up Treatments are scheduled for weeds that may popup during the season and applied only as needed

Efficacy Factors

  • Areas with poor drainage that creates areas of standing water and/or causes the ground to be significantly disturbed by erosion
  • Areas that are disrupted more than a 2-3 in will be susceptible to new growth, i.e. digging, deep ruts or deep tracks made by tires, etc.

Types of Areas Treated

  • Gravel walkways
  • Fencelines
  • RV parking areas
  • Roadside & curbline
  • Shed, shop & garage perimeter
  • Gravel driveways and along the roadside
  • Equipment parking & storage areas
  • Perimeter of outbuildings
  • Paddocks, arena & roundpen
  • Utility vehicle access roads
Bare ground gravel driveway treated for weeds

Bare ground treatments can be used to create a “firewise” perimeter around your home and outbuildings.

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Canada thistle

Visit Spokane County’s noxious weed control website to learn more about county regulations.

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Common Obnoxious Plants of Spokane County

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Noxious Weeds are a Continuous Problem in our Area.

Responsible land owners do their part to reduce the spread of invasive weeds.

Negative Effects Include:

  • Poisonous to animals
  • Reduce local farmer crop yields
  • Lower property values
  • Destroy native plant and animal habitat
  • Damage recreational sites
  • Clog waterways
Learn More about Noxious Weed Control

Weed Spray FAQs

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