Arborists are seeing less Anthracnose. The picture above by Famartin (via CreativeCommons) is a sycamore tree with severe anthracnose. Anthracnose is a group of diseases that cause leaf death and a commonly found on Modesto ash and sycamores. As trees leaf out in March and April, anthracnose can spread if conditions are moist. Click here […]
Tree-planting efforts get a boost from drones. Foresters in Canada are using drones to help replant forests devasted by wildfire. Manual tree planting is done in groups and is hard work: individuals carry a long-handled spade and a 40-pound sack of infant trees and alternate spearing the soil and setting the baby tree in the […]
A cultivar under the trade name "Sky Tower" will grow to only 20' tall. Ginkgo biloba (common name is Maidenhair tree) grows well in Benicia but it may be too big for some locations. A full grown Ginkgo is growing in front of the City Gymnasium on East L Street by the library. If you […]
Nine of these trees are found in California. The U.S. Department of Interior's Bureau of Land Management celebrated Arbor Day this year by honoring the iconic trees found on the lands it manages. The tradition of Arbor Day began in Nebraska in 1872. Raising awareness of the importance of trees, people continue to use the […]
An international group of researchers may have found a way to better account for carbon storage in forests. Researchers are using tree ring samples to determine how drought and heavy rainfall affect a forest's ability to store carbon. This research is described in an article published in the science news magazine, Eos. Click here to read […]
Imported beetle targets Blue gum trees. If you have spent more time outdoors the last two years exploring new trails in the area, you may have noticed the notched leaves on the large Blue Gum eucalyptus trees that line certain trails and cover large swaths of real estate in Tilden Regional Park, and wondered “What […]
Oaks hybridize easily which may help them adapt to climate change. Scientists at UC Davis are looking at how global warming will affect native oaks. Some of this work is described in a Pacific Plant People interview with Emily Griswold, a scientist at UC Davis. Ms. Griswold helped develop the Shields Oak Grove at the […]
Tip from an arborist at Traverso Tree Service If you have a smooth-barked tree in your yard, like a birch, maple, apple, or Coast Live oak, you may have noticed tiny little holes along the trunk. You may have thought they were caused by boring insects. But if the holes are in neat little rows, […]
Street trees have many benefits, but their climate impact is becoming more important all the time. The cooling impact of a single healthy tree from evaporation and absorbing sunlight “is equivalent to ten room-size air conditioners operating 24 hours a day,” according to the US Department of Agriculture. This is one of the facts about streets […]
