Weed Control Program:
Weeds: non-chemical control
Weeds can be controlled without resorting to weedkillers. Cultural or organic control measures rely on killing or restricting the weeds by physical action, from manual removal to smothering, burning and using weed barriers.
All weeds can be controlled without weedkillers, but persistent or deep-rooted weeds may be very difficult to eradicate. Ongoing control is likely to be necessary.
Annual weeds (which only live for a year) and ephemeral weeds (which live for less than a year) are the easiest to control, as they are usually shallow rooted. However, they can scatter seed prolifically, so usually reappear and require further control.
Deep-rooted perennial weeds (which die down in the winter and re-grow each spring) will re-grow from their roots if the tops are removed or burned off. They can be difficult to dig out and may grow up through weed barriers in time.
When to control weeds
Weeds can be controlled whenever they are troublesome, which is usually in the spring and summer months. It is a good idea to put weed barriers in place in late winter or early spring, as they work better as a preventative than when an existing problem requires suppression.
How to control weeds without chemicals
Pimco believes that avoiding pests, diseases and weeds by good practice in cultivation methods, cultivar selection, garden hygiene and encouraging or introducing natural enemies, should be the first line of control. If chemical controls are used, they should be used only in a minimal and highly targeted manner.
Manual removal and cutting back
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