Don't try to compost blackberries -- get rid of them or.

tree removal alexandria open sunday 1 Cut the blackberry bush back and treat with Systemic Weed-killer that kills the plant and root.

Systemic Weed-killer should be applied in the growing season, from spring until autumn, the best and cheapest chemical weed-killer for treating bramble is Gallup glyphosate, read and follow the manufacturer's instructions.

We live in Oregon, south of Portland and have acres of blackberries on very hilly, mostly unmowable hillside.

Use a shovel, hoe or the mattock to continue removing parts of roots and the root balls, and then put them in your yard waste bin or add them to your burn pile. Remove any part of the blackberry. Apr 02, For Himalayan blackberries that wend there way up through trees and plants I use 2,4D (like Crossbow) by cutting the vine at the root and brushing it on the fresh cut stump.

Works on Scotch Broom too, although with all the seeds they put out it is a quarterly job. Mar 26, Goats or mechanical mowing both work by removing the leaves so the plant can't turn sunlight into food. The root eventually starves. Both goats and mowers must be brought back often, however, and both have the same drawback: They also mow down everything else in their stumpclearing.barted Reading Time: 3 mins.

Want a truly natural and organic way to kill Brambles?

Use an herbicide that targets the plant's roots. Apply in late summer if the blackberry vines are only one year old and were cut to the ground the previous year, or apply in early fall for plants. Pull Blackberry Roots. Finally, you need to pull up all the roots (or as many as you can).

You can rent a backhoe or hire someone to do it, or get a great workout and pull them by hand as we did. We spent an hour or two each evening for about a week pulling roots.