GFM Network News


Ox-eye daisy is sometimes sold in wildflower mixes, but it is an invasive weed that can ruin a pasture.

Ox-eye daisy not just a pretty wildflower

Reading Time: < 1 minute Ox-eye daisy is a noxious weed that has been spotted throughout Alberta, especially in central and southwest areas of the province. It commonly grows along roadsides, waterbodies, fields and pastures, forest openings, disturbed areas, and urban areas. This weed looks similar to scentless chamomile and is often not perceived as an invasive plant because it […] Read more

Hound’s tongue isn’t palatable to grazers, but when consumed in hay, it is poisonous, especially for cattle and horses.

This toxic hitchhiker is a threat to livestock

Noxious Weeds: Hound's tongue

Reading Time: < 1 minute Hound’s tongue is a weak competitor and doesn’t do well in healthy rangeland — but it compensates for that by being an excellent hitchhiker. This noxious weed produces up to 4,000 seeds per plant, and each one is barbed and easily attaches itself to clothing or fur. It also produces toxic alkaloids that cause irreversible […] Read more


The size of this baby’s breath plant shows how well it can prosper in the Alberta landscape.

A wolf in sheep’s clothing

Noxious Weeds: Baby's breath

Reading Time: < 1 minute Many people think of baby’s breath as a cute, delicate filler flower found in rose bouquets. The real plant found in the Prairies couldn’t be further from this image. This weed has a taproot that can reach the astonishing depth of four metres, and it can grow as wide as 41 centimetres in circumference. And […] Read more




Medusahead has earned its nasty name and even wildlife won’t 
graze it.

There are many reasons to hate this nasty weed

Reading Time: < 1 minute Medusahead rye is a cool-season annual grass that is rapidly invading many northwestern U.S. states. It also has the potential to invade the Canadian Prairies because it can survive very cold winters and thrive in clay soils. Similar in appearance to foxtail barley (although the seed head does not break apart at maturity), medusahead contains […] Read more



Scentless Chamomile

Weed an enemy of disturbed soils

Noxious Weeds: Scentless chamomile prolific and problematic

Reading Time: < 1 minute Scentless chamomile can be found across the province. Starland County, Parkland County, MD of Lesser Slave River, and Saddle Hills County are just a few of the municipalities with confirmed populations of this plant. Scentless chamomile is a prolific seed producer, with large, healthy plants able to produce up to one million seeds each. Plants […] Read more


Garlic mustard: An odorous invader

Reading Time: < 1 minute So far, garlic mustard has only been reported in Edmonton and St. Albert. While this species has not yet been spotted in agricultural areas, early identification and response is key in preventing the spread of this biennial weed. Garlic mustard has severely invaded forest understoreys in other provinces, as it generally prefers shaded areas and […] Read more