Category: Featured Article

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…

How Plants Tolerate Drought

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by Daniel Murphy Water is a precious natural resource and an essential element for life on earth. Demand for water increases dramatically as human population grows and fresh water sources become polluted. Awareness of our reliance on water is especially…

An Arborist’s Fertile Thoughts

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By Juan Barba So we do live in interesting times. It’s a curse. While we put down an incredible amount of synthetic fertilizer yearly, organic materials gain in popularity by the day. I was raised in the university system; I…

Invaders Threaten our Trees

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By Kathy Kosta We call them invasive species. The invaders, new pests and diseases that can kill our trees, are headed our way. Some have already arrived. Invasive species, a hot topic across the nation and even across the continents,…

Salt Cedar Beetle Converging

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By Angela Simental Researchers at New Mexico State University confirm different populations of salt cedar beetles, coming from Texas, Colorado and Arizona, are converging on New Mexico. Over the last six years, four species of salt cedar beetles in the…

Professional of the Year: Diana Maranhao

Diana (Dee) Maranhao is an gardener and long-time green industry professional with one book out and another on the way. Photo courtesy: Dee Maranhao.

Growing up in rural Washington state, she never had any inclination to garden. “It was dirty and laborious when I would rather be playing,” Maranhao recalls. “We always had a veggie garden, fruit trees and berries. I liked to eat…