Dandelions are easily identified by their bright yellow flowers, jagged leaves, and fluffy white seed heads. To manage them, use pre-emergent herbicides in early spring to prevent them from sprouting. For existing dandelions, apply post-emergent herbicides to eliminate them. If your lawn in Oregon faces severe infestations, hiring lawn care professionals can be beneficial. Professionals have access to more potent herbicides and utilize specialized equipment to effectively target these weeds. Plus, they can offer additional treatments like soil testing, aeration, and fertilization to keep your lawn healthy and stand up to weeds. Their expertise ensures effective, long-lasting solutions tailored to your lawn's specific needs, helping maintain a healthy, dandelion-free landscape.

What do dandelions look like?

Yellow dandelion flowers on a lawn in Gresham, OR.

Dandelions are easily recognizable by their bright yellow flowers and distinctive seed heads. Their leaves are long, jagged, and grow in a rosette pattern close to the ground, with edges that are deeply toothed, hence the name "dandelion," derived from the French "dent de lion," meaning "lion's tooth." The flowers are vibrant yellow and composed of numerous tiny petals, blooming on hollow stems that rise above the leaves.

After flowering, dandelions develop spherical seed heads that appear white and fluffy, with each seed attached to a tiny parachute, allowing it to be carried by the wind. Dandelions also have deep taproots that can extend several inches into the soil, making them particularly resilient and challenging to eradicate.

How should you deal with dandelions?

There are two main ways to control dandelions: pre-emergent weed control and post-emergent weed control.

  • Pre-Emergent Weed Control: Pre-emergent herbicides are designed to prevent dandelion seeds from germinating by creating a chemical barrier in the soil. It's essential to apply these herbicides in early spring before the seeds begin to germinate, following the manufacturer's instructions for application rates and methods. Using a spreader ensures even coverage, and lightly watering the lawn afterward helps activate the herbicide. However, pre-emergent herbicides won't affect existing dandelions, so they should be part of a comprehensive lawn care strategy.
  • Post-Emergent Weed Control: For dandelions that have already sprouted, post-emergent herbicides are effective, as they target the leaves and roots of existing plants. Selecting a selective herbicide that targets broadleaf weeds like dandelions without harming grass is crucial. The best time to apply these herbicides is during the dandelions' active growth. For isolated dandelions, consider spot treatment by applying the herbicide directly to the leaves with a spray bottle.
Avoid pulling dandelions by hand because any remaining root fragments in the soil can develop into new growth.

Hire a professional lawn care company to control dandelions.

While DIY methods can be effective, there are times when professional help is warranted. If your lawn is overrun with dandelions, professionals have access to more effective herbicides and equipment that can tackle severe infestations. They can assess overall lawn health and recommend treatments to prevent dandelions and other weeds from returning, which might include soil testing, aeration, and fertilization. Lawn care professionals have the expertise to identify the best strategies for your specific lawn conditions, ensuring more effective and lasting results.

Give us a call today to sign up for our weed control service!

Dandelions are a common lawn weed that can be difficult to control. To keep your lawn free from these nutrient-stealing weeds, take advantage of our weed control service! This service involves pre-emergent weed control treatments applied in the spring and fall to ensure dandelions and other weeds don't ever become a nuisance on your lawn. Some of the weeds that our treatments can target include chickweed, crabgrass, henbit, lambsquarter, and more. We offer our weed control service to properties in Gresham, Happy Valley, Troutdale, OR, and nearby areas. Give us a call today at (971) 284-2035 to sign up!