google search: Community Standards bylaw. Part 2 (property maintenance):

5. (2) subsection f)

For the purpose of greater certainty, a nuisance with respect to land
means a condition that, in the opinion of a Peace Officer, indicates a
serious disregard for general maintenance and upkeep, whether or not the
condition is detrimental to the surrounding area, some examples which
include but are not limited to the following:

(f) grass or weeds higher than 15 centimetres, unless the it forms part of
“naturalized area";

https://stalbert.ca/site/assets/files/1833/bylaw_12-2010_-_community_standards.pdf