It could take years to eradicate a large patch of blackberries, because so many seeds remain in the soil. But with good timing and dedication, property owners can reduce a sprawling blackberry thicket to a few manageable stragglers
Be on the lookout for prickly Paterson's Curse in wildflower seed mixes.
Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.
Gorgeous yellow iris Is ecological threat to PNW wetlands
Oregon is the first state to list invasive non-native grass called false brome as a noxious weed.
Consider adding some flower power to your landscape to bring in the buzz of pollinators to your garden.
Butterfly bush, or Buddleia, can be a very aggressive non-native plant that, in certain situations, can overtake native vegetation. Take care to cut blossoms off in the fall.