Weeds: Canada thistle – Cirsium arvense categories: C-E Weeds last review date: 2025-09-15 07:14 Family: Asteraceae (Compositae) Cycle: Perennial Plant type: Broadleaf Canada thistle leaves and flowerPhoto by: T.W. Miller Biology Canada thistle is an aggressive, spreading weed. The aboveground portions of the plants die back in the winter, but resprout from perennial roots in […]
Weeds: Catchweed bedstraw (Cleavers) – Galium aparine categories: C-E Weeds last review date: 2025-09-15 07:17 Family: Rubiaceae Cycle: Annual Plant type: Broadleaf Catchweed bedstraw leaf whorlsPhoto by: T.W. Miller Biology Catchweed bedstraw is a weakly erect to sprawling plant from a slender taproot. Stems are weak, climbing or twining to over six feet in length. […]
Weeds: Catsear, common (False dandelion) – Hypochaeris radicata categories: C-E Weeds last review date: 2025-09-15 07:20 Family: Asteraceae (Compositae) Cycle: Perennial Plant type: Broadleaf Common catsear rosettePhoto by: J.A. Kropf Biology Common catsear, also known as false dandelion or spotted catsear, grows in a rosette, with all the leaves at the base of the plant. […]
Weeds: Chickweed, common and mouseear – Stellaria media, Cerastium fontanum ssp. vulgare categories: C-E Weeds last review date: 2025-09-15 07:26 Family: Caryophyllaceae Cycle: Annual, Perennial Plant type: Broadleaf Common chickweed leaves and flowersPhoto by: R. Parker Biology COMMON CHICKWEED reproduces both by seeds and by many creeping stems which can root at the nodes. While […]
Weeds: Clover – Trifolium spp. categories: C-E Weeds last review date: 2025-09-15 07:28 Family: Fabaceae (Leguminosae) Cycle: Various Plant type: Broadleaf Clover flowersPhoto by: R. Parker Biology Clovers, depending on species, may be annuals or perennials. Typically, clovers are fairly low-growing, herbaceous plants. The leaves are divided into three leaflets which are attached to the […]
Weeds: Comfrey – Symphytum officinale categories: C-E Weeds last review date: 2025-09-15 07:38 Family: Boraginaceae Cycle: Perennial Plant type: Broadleaf Comfrey bell-shaped flowersPhoto by: T.W. Miller Biology Comfrey has clump-forming perennial roots with brown to black bark. The roots are thick and penetrate deep in the soil, making comfrey difficult to eradicate once established. Plants […]
Weeds: Crabgrass – Digitaria spp. categories: C-E Weeds last review date: 2025-09-15 07:42 Family: Poaceae (Graminae) Cycle: Annual Plant type: Grass CrabgrassPhoto by: R. Parker Biology Large crabgrass (Digitaria sanguinalis) may reach up to two feet tall but is often prostrate. Stems lying along the ground may root, forming mats. The flat leaf blades are […]
Weeds: Creeping Jenny: Lysimachia nummularia categories: C-E Weeds last review date: 2025-09-15 07:50 Family: Primulaceae Cycle: Perennial Plant type: Evergreen Creeping Jenny flowerPhoto by: H. Zell Biology Lysimachia nummularia, commonly called moneywort or creeping Jenny, is a low-growing, creeping ground cover which forms a leafy mat only 2-4″ tall. Roots where leaf nodes come in […]
Weeds: Dandelion – Taraxacum officinale categories: C-E Weeds last review date: 2025-09-15 08:25 Family: Asteraceae (Compositae) Cycle: Perennial Plant type: Broadleaf Common dandelion with flowersPhoto by: J.A. Kropf Biology The common dandelion is a persistent taprooted plant reproducing by seeds and by short shoots from the crown. It also grows back from roots broken during […]
Weeds: Dock (Curly, Broadleaf) – Rumex spp. categories: C-E Weeds last review date: 2025-09-15 09:59 Family: Polygonaceae Cycle: Perennial Plant type: Broadleaf Broadleaf dockPhoto by: T.W. Miller Biology Curly dock (Rumex crispus), also called sour dock or yellow dock, is a robust tap-rooted perennial growing two to five feet tall. Stems are erect, reddish, and […]
