what is this weed and how do we eradicate it. at this point they are about an inch tall - dozens of them or has this cedar got lonely and decided to make some company? if so..... what do we do!!! thanks all
That's a cypress seedling of some sort. Your yellow shrub is also a cypress of some sort, definitely not a cedar. Unlikely to be the parent of your seedling though.
Similar Thuja plicata seedlings are abundant in this region, although leaves on side branches of one shown are perhaps not flat enough for that species. The sheared garden specimens are a Leyland cypress cultivar such as 'Gold Rider'.
but what do I do about them? thanks from Wikipedia : Thuja plicata, commonly called western or Pacific redcedar,[2] giant or western arborvitae,[2] giant cedar,[2] or shinglewood,[2] is a species of Thuja, an evergreen coniferous tree in the cypress family Cupressaceae native to western North America. Despite its common names, it does not belong with the true cedars within the genus Cedrus. The provincial tree of British Columbia,
because some weeds spread underground (like horsetails) and they have a different eradication technique. that is why I need to know what they are and how they spread. and if they were from the big tree then we would remove that too.
They are not like horsetail. Just gently pull and you should be able to remove all the tiny tree with the root. They will not regrow. It will not take as long as you fear once you start. Just do a few at a time if there are thousands. They are unlikely to be seedlings from the small round conifer in your pic. Quote Michael above..."Unlikely to be the parent of your seedling though."
Pulling them out from under the canvas can be a little more challenging. You could consider cutting them down below the crown level with a sharp little pruner.
