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Wild chervil is a Class B weed native to Europe. This weed is not known to be toxic but is on the Washington State quarantine list. This plant is highly adaptable and will grow in almost any type of soil. It has an aggressive growth habit which quickly creates monocultures. It poses a serious threat to native plants and agriculture. Wild chervil is an upright biennial or short-lived perennial. It can reach a height of one to three feet. The flowers grow in umbels up to 3.1 inches wide, with...
Got weeds? This time of year, Wahkiakum County has plenty. So what do you do with them? This week we will give you some ideas on disposal methods for noxious weed material. Disposal of noxious weed material can vary depending on the plant species, growth stage of the plant and quantity of plant material. General techniques: if plants are flowering, cut and bag flowers, when possible, to prevent seed development and dispersal. Seal bags and put them in the trash. If they have been treated with...
Poison hemlock is a weed class B native to Europe, Asia and Northern Africa. This weed is toxic to humans and livestock. Other common names for this weed are carrot-fern, fool’s parsley, and spotted hemlock. The entire plant is toxic to animals and humans, containing the poisonous alkaloid coniine and other alkaloids. Poison hemlock can quickly infest large areas of pasture as well as open waste places. Poison hemlock is a very tall biennial plant that can grow up to 12 feet in height. It grows into a rosette the first year; a cluster of l...