Weeds and Their Control: Broadleaf Dock (Rumex obtusifolius)
Karen Broadleaf dock, also called bitter dock, is a perennial native to Europe but is now found throughout the United States and southern Canada. It prefers partial to moist, shady, disturbed…
Weeds and Their Control: Creeping Buttercup (Ranunculus repens)
Creeping buttercup is a perennial weed native to Europe, Asia and northwestern Africa but is now found in most of the United States. The bright yellow flowers make it attractive…
Weeds and Their Control: Water Hemlock (Cicuta maculate)
Water hemlock is also known by other names such as spotted parsley, poison parsley, and spotted cowbane. It belongs to the carrot family and is related to poison hemlock, parsnips,…
Weeds and Their Control: Virginia Buttonweed (Diodia virginiana)
Virginia buttonwood is a perennial native to the United States. It is found in from Connecticut westward to central Kansas, and southward to the Gulf of Mexico and can be…
Weeds and Their Control: Horsenettle (Solanum carolinense)
Horsenettle is not a true nettle and is in the nightshade family along with potatoes, tomatoes, peppers and eggplant. It is native to southeastern United States but has spread throughout…
Weeds and Their Control: Wild Parsnip (Pastinaca sativa)
Brought to North American by European settlers for the food value of its root, wild parsnip escaped from gardens and is now found in most of the continental United States.…
Weeds and Their Control: Stinging Nettle (Urtica dioica)
Weeds that hurt you when you are gardening always seem especially threatening and stinging nettles are one of the most common. The stems and leaves of this perennial weed bear…
Weeds and Their Control: Creeping Bellflower (Campanula rapunculoides)
There are many bellflowers that are good garden plants but this is not one of them. Although the flowering stems are delightful and look lovely in a vase, the plant…
Weeds and Their Control: Common Ragweed (Ambrosia artemisiifolia)
The bane of every hay fever sufferer, common ragweed is a summer annual native to North America and is found throughout the United States including Hawaii but not Alaska. It…
Weeds and Their Control: Clammy Groundcherry (Physalis heterophylla)
If you are familiar with the cultivated plant Chinese lantern you will recognize its cousin, clammy groundcherry. Both are perennials in the genus Phasalis, produce papery lantern like structures, and…