How to dispose noxious and invasive weeds
Put small quantities of bagged noxious and invasive weeds directly into the black cart as garbage.
- Noxious and invasive weeds must be bagged and tied closed to prevent seeds from spreading
- The bagged noxious and invasive weeds must fit inside of the black cart. Make sure the lid can be pulled over. Bags of yard waste set beside the cart will not be collected.
Large quantities of noxious and invasive weeds
Take large quantities of noxious and invasive weeds to a City landfill for disposal. Landfill charges will apply.
- Noxious and invasive weeds must be bagged and tied closed to prevent seeds from spreading.
- Your load must only contain noxious and invasive weeds as this material must be disposed of in a separate section at the landfill.
Below are noxious and invasive species common to Calgary:
- Canada thistle
- Common tansy
- Diffuse knapweed
- Leafy spurge
- Nodding thistle
- Purple Loosestrife
- Scentless chamomile
- Spotted knapweed
- Creeping bellflower
View a full list of noxious and invasive species common to Calgary that must be disposed at the landfill.
Why can’t noxious and invasive weeds be composted?
These invasive species can aggressively spread during transportation and processing at the composting facility. By taking these troublesome species to the landfill we maintain high compost quality and reduce the spread of noxious and invasive weeds in our community.
Landfill locations listed below: