Category: Featured Article

Nativegrass and Groundcover Utilization when Turfgrass is Removed

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By Kai Umeda There is increasing interest by golf course superintendents and residential/commercial landscapers to consider native grasses and/or new multi-use groundcovers that require less water and management inputs when replacing turfgrass. Golf courses are reducing turf in non-play areas…

Extreme Gardening: Designing with Desert Plants

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By Judith Phillips Gardening is an extreme sport in the arid Southwest, a place of remarkable variety in native species and ecological niches. While not all native plants transition well to gardens, the most beautiful, resilient and adaptable natives are…

Tumbleweed Terror

Shana Welles found this tumbleweed in Riverside and put in the bed of her pickup truck. Credit: UC Riverside

By Sean Nealon Two invasive species of tumbleweed have hybridized to create a new species of tumbleweed that University of California, Riverside researchers found has dramatically expanded its geographic range in California in just a decade. The UC Riverside researchers…

Chainsaw Safety Made Simple

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By John Ball The chainsaw is one of the most indispensable tools in modern tree work. About three-fourths of the sales volume in the average tree care company is made from pruning and removals — and this work is not…

Successful Spring Transition

Newer herbicides make bermudagrass transition smooth and successful. Photo courtesy: Dave Kopec.

By David M. Kopec, Ph.D. As the days get longer, it’s time to think about spring transition. Research in the last 15 years shows that the cultural management practices of 30 years ago do not work (like they used to).Vertical…

Tips for Overseeding Success

Overseeding is a little trickier than in the past because perennial ryegrass is much more persistent. 
Photo courtesy: David Kopec.

By David M. Kopec, Ph.D. Even bermudagrass, the king of warm season turf grasses, has its limitations. When temperatures drop below 50F for extended periods of time, its ability to maintain recuperative growth is very much diminished. Luckily, there’s perennial…

City Trees and Infrastructure

Massive trees provide neighborhood character, but also result in infrastructure damage. Who will pay? Photo courtesy: City of Los Angeles.

By Jeremy Rappaport In May and June of 2015, The Los Angeles Times published articles addressing the problem of crumbling sidewalk infrastructure within the City of Los Angeles. The articles focused on the challenges pedestrians face in this car-dominated city.…

Sustainable Pruning Practices

Pruning trees properly will result in both beautiful and healthy specimens.

By John Eisenhower A common rite of passage for new doctors is to take The Hippocratic Oath before beginn ing their careers in medicine. The Hippocratic Oath asks physicians to swear to uphold specific ethical standards including commitments to treat…

Best Left Alone

The front of a foreclosed home is shrouded in palm fronds.

By Shirl McMayon While pet sitting for a friend out at South Shore of Lake Las Vegas early in the month of May, I was taking the little man for his evening walk when we came across a house lost…

Tree Fertilization Facts

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By Jim Downer Trees are valuable elements of landscapes. As they grow, they increase in size and value as well as in cost of maintenance. Young trees demand little water and fertilization, but growing trees and old trees may deplete…