Search results
- Bittercress (Cardamine hirsute) Small and fast-growing. About 4 – 12 inches tall. Its leaves are deeply lobed. Has small and slender stems.
- White Clover (Trifolium repens) Wedge-shaped leaflets. The leaves are serrated at the margins. Low-growing and are about 4 – 8 inches tall.
- Black Medic (Medicago lupulina) It grows to about 0.5 m tall. Have compound and alternate trifoliate leaves and broad leaves of about 17 mm wide.
- Henbit (Lamium amplexicaule) Grows to a height of 16 inches. Has a fibrous root system. Has a square stem and heart-shaped leaves and the leaves are dull green and opposite each other on the stem.
- Aegilops triuncialis
- Alternanthera philoxeroides
- Ammophila Arenaria
- Arundo Donax
- Brassica tournefortii
- Bromus madritensis ssp. Rubens
- Bromus tectorum
- Carpobrotus edulis
- Carthamus lanatus
- Centaurea solstitialis
Common Name:Barb Goatgrass 1. Impact Score – A 2. Invasiveness Score – A 3. Distribution Score – B Barb Goatgrass grows all over central California in grasslands, woodlands, and even rangelands. It’s unique in that it can harm livestock when it lodges in their mouths and eyes. Cattle can’t eat it to get rid of it either! The most important factor f...
Common Name: Alligatorweed 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – C Alligatorweed, also known as pig weed, is a pernicious invasive plant that was first discovered in Alabama way back in 1897. It’s native to South America, but was transported to North America through ballast water. It forms dense, pervasive mats that ...
Common Name:European Beachgrass 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – B European beachgrass, if you couldn’t guess, is a European weed that adapted quite well to California, much to the chagrin of many plant biologists. It’s one of the most invasive plants in California as it grows denser than the native dunegrass in...
Common Name:Giant Reed 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – A Thought to be native to eastern Asia, the Giant Reed was introduced to the US way back in the early 1800’s. It was initially brought in for erosion control, but ended up crowding out plants native to California and even increases the frequencies of fires ...
Common Name:Sahara Mustard; Morrocan Mustard; Asian Mustard 1. Impact Score – A 2. Invasiveness Score – A 3. Distribution Score – B The Saharan Mustard plant shows up all over the San Joaquin valley and other desert regions in California. As its name implies, it originates from Northern Africa and the Middle East, but made its way to the Americas a...
Common Name:Red Brome; Foxtail Chess 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – A Red Brome is mostly found in Southern California, although pockets of it show up throughout the rest of the state. It shows up in areas where native grasses have died out, growing into roadsides, fields, or rangelands. It has the nasty tende...
Common Name:Cheatgrass; Downy Brome 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – A Cheatgrass is known as “The Invader that Won the West.” It originated in Asia, but came over in the late 1800’s in bushels of contaminated grain. It, like many other noxious weeds, crowds out the native grasses and tends to increase both the ...
Common Name:Highway Iceplant 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – A The Highway Iceplant is also known as the Hottentot-fig, which I think is a much better name for this nasty weed. It was originally used as an ornamental due to its beautiful flower, but quickly spread around California in almost all of the biomes i...
Common Name: Woolly Distaff Thistle 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – C This thistle is another one of those plants that crops up in disturbed areas, like roadsides, pastures, and waste sites. It has a lovely yellow flower, and spiky, spiny grey green foliage, which tends to be distributed on California coast lin...
Common Name:Yellow Starthistle 1. Impact Score – A 2. Invasiveness Score – B 3. Distribution Score – A The Yellow Starthistle is worse than our pink friend above, the Spotted Knapweed. A single plant can spread over 75,000 seeds! It shows up in many biomes, but the rangelands are hardest-hit. In fact, it’s the most serious rangeland weeds in the en...
Apr 25, 2023 · Common weeds in southern California include Bermuda grass, purslane, dandelion, spotted spurge, chickweed, crabgrass, pigweed, nutsedge, and annual bluegrass. These weeds can be challenging to control, and understanding their characteristics and how to manage them is essential for maintaining a healthy and attractive outdoor space.
Aug 20, 2024 · Invasive weeds, such as purslane and crabgrass, ruin the aesthetics of many California lawns. Learn how to identify common grassy and broadleaf weeds in California. Learning what mature weeds and their young seedlings look like helps you choose the right control method and the right timing.
These invasive plants are fierce competitors that threaten California’s native biodiversity and ecosystems. Unfortunately, about 450 plants originally imported for use in ornamental horticulture in California have “jumped the fence.”
Aug 20, 2023 · The most common weeds are crabgrass, dandelion, purslane, oxalis, and bindweed. But there are effective ways to tackle each of these stubborn plants. In this comprehensive guide, we’ll identify the characteristics of Southern California’s most widespread weeds.
People also ask
What weeds grow in Southern California?
Are there invasive weeds in Southern California?
Why do weeds grow in Southern California?
Do black medic weeds grow in California?
How do weeds spread in Southern California?
How do you get rid of weeds in Southern California?
This page provides information on common invasive plants of Southern California that form dense stands that outcompete native plants and increase the risk of wildfire.
Read reviews and check our best-sellers to find the right tools for your garden. Look at our amazing gardening selection. Free UK delivery on eligible orders!
