Weeds and Their Control: English Ivy (Hedera helix)
Karen English ivy is an evergreen climbing vine and a member of the Aralia family, Araliaceae, that also includes Fatsia and Schefflera . It is native to most of Europe and…
Weeds and Their Control: Trumpet Vine (Campsis radicans)
Trumpet vine is a deciduous woody vine and a member of the Bignoniaceae family that also includes Catalpa and Jacaranda. It is native to eastern US and has naturalized in…
Weeds and Their Control: Common St. Johnswort (Hypericum perforatum)
Common St. John’s wort is a herbaceous perennial known for its medicinal properties from ancient times. It is native to Europe, western Asian and North Africa but was introduced to…
Weeds and Their Control: Orange hawkweed (Pilosella aurantiaca aka Hieracium aurantiacum )
Orange hawkweed goes by many names including devil’s paintbrush, king-devil, fox and cubs, and grim the colliar and is a herbaceous perennial in the aster family, Asteraceae, that also includes…
Weeds and Their Control: Perennial Sowthistle (Sonchus arvensis)
Perennial sowthistle is a herbaceous perennial and a member of the aster family, Asteraceae, that also includes daisies, yarrow, and lettuce. It is native to Europe and western Asia but…
Weeds and Their Control: Witchgrass (Panicum capillare)
Witchgrass is a summer annual and a member of the grass family, Poaceae, that also includes corn, rice, and bamboo. It is native to most of North America from the…
Weeds and Their Control: Autumn Olive (Elaeagnus umbellata)
Also known as Japanese silverberry and oleaster, autumn olive is a rapidly growing deciduous shrub or small tree belonging to the oleaster family, Eleagnaceae, that also includes buckthorn and buffalo…
Weeds and Their Control: Corn Spurry (Spergula arvensis)
Corn spurry is an annual weed and member of the pink family, Caryophyllaceae, that also includes carnations, baby’s breath, and chickweed. It is native to Eurasia but was introduced into…
Weeds and Their Control: Spotted Knapweed (Centaurea maculosa)
Spotted knapweed is an aggressive short-lived perennial brought to North America from Eurasia in the 1890s in contaminated crop seed. Since then it has spread to almost every state in…
Weeds and Their Control: Brazilian Jasmine (Jasminum fluminense)
Brazilian jasmine is an evergreen, climbing, woody vine and a member of the olive family, Olaceae, that also includes lilac, privet, and forsythia. It is native to tropical west Africa…