Irrigated Pastures

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Blooming Bermuda buttercup next to a residential fence.
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Weeds in Landscape Plantings

January 25th, 2023
[Originally featured in the Winter 2022 Issue of UC IPM's Green Bulletin Newsletter] Weeds can be a problem in any landscaped areas including around trees, shrubs, flower beds, or lawns and turf.
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Wild blackberries growing along a roadway and encroaching into the home landscape. [Credit: Scott Oneto]
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When Blackberries Go Wild

November 4th, 2022
Ripe, juicy, sweet blackberries: what's not to love? Blackberries are grown for us to eat and enjoy, but some species can be considered weeds when they take over home landscapes, roadsides and waterways, and other areas.
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Mature dallisgrass plant, Paspalum dilatatum. [Credit: K Windbiel-Rojas]
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Oh Dallisgrass

October 4th, 2022
By Lauren Fordyce
Knowing what weedy grass you have in your lawn or landscape is very important in being able to properly control it. Dallisgrass is a common perennial weed that is easily identified and grows in uneven clumps in lawns and turf.
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Pampasgrass infestation in a coastal area.
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Invasive Pest Spotlight: Pampasgrass & Jubatagrass

July 8th, 2022
By Belinda Messenger-Sikes, Karey Windbiel
Pampasgrass and jubatagrass facts Pampasgrass (Cortaderia selloana) is a common ornamental landscape plant that readily naturalizes throughout California's coastal areas and some interior regions.
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Mature plantain plant in a lawn.
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Controlling Weeds Webinar, 7/21

July 8th, 2022
By Karey Windbiel
Looking for ways to manage weeds in your lawn or landscape? Join us on July 21, 2022 at noon for UC IPM's free monthly webinar to learn about how to control weeds using mostly nonchemical methods.
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A mature, parasitic broadleaf mistletoe plant that is bright green on a bare tree branch.
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Mistletoe: parasitic plant or bird food?

March 2nd, 2022
By Belinda Messenger-Sikes
All mistletoes infest and grow as parasites on trees and large shrubs. In some cases, the host plant can be severely damaged. But recent studies have shown that broadleaf mistletoes can shelter and feed wildlife, including birds and small mammals.
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Buttercup oxalis (Cedit: Jack Kelly Clark)
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Common Winter Weeds

January 25th, 2022
By Karey Windbiel
Recent wet weather in many parts of the state has spurred emergence of winter weeds. How these weeds are managed varies by the type of weed and where it's growing. In IPM, identification is always the first step toward effective pest management.
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Invasive pampasgrass (Credit: J DiTomaso)
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What makes a weed an invasive plant?

November 18th, 2020
By Belinda Messenger-Sikes, Karey Windbiel
Weeds are usually thought of as native plants we don't want in areas such as landscapes, fields, or vegetable gardens either because they reduce economic output or they are considered aesthetically displeasing.
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