Wild Onion

wild onion

Other Names: Allium canadense, Wild Garlic

Type: Bulbous Perennial

Appearance: Wild Onion is a low-growing plant with slender, tubular leaves that resemble grass blades. It produces globe-shaped flower clusters that range from white to pink or purple. The entire plant emits a distinctive onion or garlic odor.

Risk: Wild onion can establish itself in lawns and gardens, forming clumps that disrupt the uniform appearance of turfgrass. Its ability to spread through bulbs makes it a persistent and challenging weed.

Timing: Wild Onion becomes most noticeable in the spring when it produces flowers. However, its leaves are present throughout the growing season.

Outlook: Due to its bulbous growth and resilience, Wild Onion can be challenging to control. Effective management measures are crucial to prevent its spread.

How to Control Wild Onion


Take action before this weed appears on your lawn by following best lawn care practices, especially focusing on:

  • Early Detection: Actively monitor your lawn for signs of Wild Onion and address it promptly.
  • Proper Watering: Consistent and proper watering practices can help maintain the health of desirable grasses, making it less favorable for Wild Onion.


If you find this weed on your lawn, it’s best to take action immediately. Working with a lawn care professional is most effective, but you can also try these DIY options:

  • Selective Herbicides: Apply selective herbicides labeled for broadleaf weed control, targeting Wild Onion while preserving the health of the surrounding grass.
  • Cultural Practices: Regular mowing and overseeding can help suppress Wild Onion and promote the growth of desirable grasses.

Green Image Lawn Care Knows All About Wild Onion

When dealing with Wild Onion issues, trust Green Image Lawn Care to bring their extensive experience in weed control. Our experts understand the nuances of wild onion management and employ human- and environmentally-friendly methods for effective control. Contact us today for personalized solutions tailored to your weed control needs.

Need Help with Wild Onion?

Call Green Image Lawn Care today at 717-900-8144 and let's talk about how we can help you with Wild Onion and other lawn weeds.