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Posts Tagged: weed

Bristly Oxtongue Lives Up to its Name

Mature plant of bristly oxtongue. (Credit: Larry L. Strand)

This summer, you may have noticed what looks like a large dandelion plant covered in blisters growing in your lawn or landscape. It's known as bristly oxtongue, and if you examine or touch it you'll see and feel why. The stems and flower bracts are...

Posted on Sunday, August 19, 2018 at 8:00 PM
Tags: annual (3), biennial (1), bristly oxtongue (1), control (5), identify (1), UC IPM (8), UC IPM (8), weed (11), weed gallery (1)
Focus Area Tags: Pest Management Yard & Garden

Stinknet, an Emerging Invasive Weed

Stinknet plant. (Credit: Ron Vanderhoff)

I recently attended a Santa Ana River Orange County Weed Management Area (SAROCWMA) meeting and there was an opportunity for participants to update the group about new invasive plants as well as give an update on management of these and others. During...

Posted on Wednesday, August 8, 2018 at 11:00 PM
Tags: California (1), impact (1), invasive (1), noxious (1), pineapple weed (1), plant council (1), stinknet (1), UC IPM (8), weed (11), Wilen (1)
Focus Area Tags: Pest Management

Dandelions in the Landscape

Flowering dandelion. (Photo: Gerald and Buff Corsi)

Dandelions are broadleaf plants easily recognizable by their bright yellow flower and puffball of white tufted seeds heads. While this plant is appreciated as a food or herb by many, for equal numbers of others it is regarded as a weed when found growing...

Posted on Saturday, January 27, 2018 at 9:40 PM
Tags: control (5), Dandelion (2), landscape (4), lawn (1), puffball (1), Roncoroni (1), turf (1), UC IPM (8), weed (11)
Focus Area Tags: Pest Management Yard & Garden

Winter Weeds

Chickweed leaves and flower. (Jack Kelly Clark)

Weeds can be a real nuisance in gardens and landscapes, and even during the colder winter months, some kinds of weeds continue to grow and thrive. These are called winter annual weeds. Most weeds are classified as annuals, biennials, or perennials....

Posted on Monday, December 4, 2017 at 1:51 PM
Tags: annual (3), bluegrass (1), chickweed (1), mallow (1), UC IPM (8), weed (11), winter (2)

Beware of Poison Oak

Poison oak leaves and flowers. [Jack Kelly Clark]

Summer is a great time for outdoor activities like camping, hiking, and backpacking. During your adventures in natural areas, be on the lookout for poison oak. Poison oak, a well known plant for most people in California,  is widespread in our state...

Poison oak leaves and flowers. [Jack Kelly Clark]
Poison oak leaves and flowers. [Jack Kelly Clark]

Poison oak leaves and flowers. [Jack Kelly Clark]

Autumn colors of poison oak leaves. [Jack Kelly Clark]
Autumn colors of poison oak leaves. [Jack Kelly Clark]

Autumn colors of poison oak leaves. [Jack Kelly Clark]

Posted on Monday, August 28, 2017 at 10:45 PM
Tags: avoid (1), camping (1), hiking (1), landscape (4), poison oak (1), summer (2), uc ipm (8), weed (11)

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