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Weeds In Your Landscape

 
It's that time of the year. It's been rainy and warm so the weeds are sprouting! I don't know about you but I very much dislike weeding the garden. Here are some tips to help you keep up with the icky weeding chore.
 
Weeds will invade any bare or thin area in a landscape. Prevent invasions in new beds with good soil preparation. Keep weeds out with an integrated program that includes good growing plants, mulches, hand removal and herbicides. Be vigilant about removing aggressive perennial weeds.
 
Prevent weeds before you plant:
 
Identify the weeds present.
 
Prepare the site and control existing weeds.
 
Dig out weeds or remove by hand. Follow up by irrigating and then removing the newly emerged weed seedlings.
 
Solarize the soil if possible.
 
If necessary, use herbicides for difficult to control weeds.
 
Consider drip irrigation.
 
Apply mulch!
 
Mulch is the key to a weed-free landscape:
 
Mulches prevent weed seed germination by obstructing sunlight.
 
Organic mulches are wood chips, bark chips and compost
 
Natural inorganic mulches are sand, gravel and pebbles.
 
Landscape fabrics are porous and long lasting.
 
Black plastic is not preferred.
 
When weeds invade your landscape:
 
Remove by hand when weeds are small and before they set seeds!
 
Hoeing easily removes young annual weeds.
 
Once the area is cleaned out, apply mulch.
 
When are herbicides necessary?
 
Use herbicides, for special-problem situations before establishing new plantings or for difficult-to-control perennial weeds.
 
There are general herbicides that kill all plants and specific herbicides that kill only grasses and ones that kill only broadleaf plants.
 
Make sure you are using the correct herbicide at the correct application rate.
 
Herbicides can injure or kill desirable plants and should be used with great care.
 

Trending Video

Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Video: Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Join Certified Crop Advisor George Lubberts for this Prairie Certified Crop Advisor (Prairie CCA) field update from Enchant, Alberta. In this 12th video of the series, George takes us into a seed canola field where the male rows have been removed and the female plants are filling pods. This video was taken in the third week of August 2025.

George discusses the early signs of sclerotinia stem rot, explaining how infection begins in the stem, impacts pod development, and leads to premature ripening. He also shares insights on lygus bug management, including timing of spray applications to minimize feeding damage and maintain seed size and quality.

With cool, damp summer conditions, George notes that while disease pressure is present, overall field health remains good. The crop is just beginning to show early seed colour change, signaling progress toward maturity.

Topics Covered:

•Sclerotinia stem rot identification and impact

•Managing lygus bugs in seed canola

•Crop stage and seed colour change observations

•Timing insecticide sprays for optimal protection

•Insights from a CCA field perspective in southern Alberta