Prostrate Juniper smells like Cat P - UBC Botanical Garden Forums
2021年2月4日 · This is Juniperus communis?The Vancouver Trees App - UBC Botanical Garden doesn't say anything about the smell of Juniperus communis, but for J. maritima it says, "The smell of the bruised leaves and cut stems of this species (and the related J. scopulorum) is camphor-like with strong oregano and dirty socks overtones, and many people find the aroma foetid and somewhat unpleasant."
Bizarre problem with Juniper trees | UBC Botanical Garden Forums
2020年2月25日 · Have had this juniper tree for quite awhile (#1). It started off great, but it got spider mites over the summer (I could tell it had them, by dusting the leaves, and some web). I treated the tree with Neem oil, and also an insecticide on several occasions. The spider mites are gone. However, winter came and the tree browned out.
When to prune a pear tree - UBC Botanical Garden Forums
2006年8月31日 · Re Pear Trellis Rust, there are no junipers in the neighbourhood and the juniper tree in our yard was removed 30 years ago. The pear tree is about 75 years old. We've avoided using pesticide till now so probably will continue to do so (but we'll still check by-laws.)
pear tree disease | UBC Botanical Garden Forums
2008年6月22日 · The disease affects pear and juniper which is the alternate host of the fungus. The disease is established only in southern British Columbia and Contra Costa County, California. It was found on pear in the Bellingham, WA area just south of the Canadian border in 1997.
Reduction pruning of towering junipers(?) - UBC Botanical Garden …
2008年11月18日 · Hollowing out the center of the top of a 40' conifer and leaving most of the outside still in place is a facade, like clear-cutting all of a forest except the part that faces the highway. To the tree it will be the same as if the top broke out in a storm.
Sick juniper/ Gymnosporangium rust disease - UBC Botanical …
2008年12月2日 · Juniper-hawthorn rust Juniper-hawthorn rust is a fungal disease that requires a juniper and an alternate host to complete its lifecycle. Alternate hosts are apple, crabapple, hawthorn and mountain ash. On a juniper, two-inch ball-shaped galls develop on stems from spores blown in from the alternate host.
Wisteria in shade? - UBC Botanical Garden Forums
2007年4月20日 · The tree is at least 9 yrs old and about 10 ft tall. I want to grow it up the tree because it is a small condo patio and I am planning to do a trellis with clematis and thought that two might look cluttered, so perhaps The tree could be like a trellis. I saw once a huge old tree with wisteria covering it and thought is was the coolest thing.
Hedges: - Does Juniper make a decent hedge? - UBC Botanical …
2007年5月7日 · Both may be prone to twig dieback or browning out in patches in this region. Some specimens show this to a bothersome degree, and some do not, but it is certainly not unusual (so-called spiny Greek juniper (of gardens), actually a compact form of Chinese juniper is terrible here, most older specimens with partly dead foliage).
Pear tree disease pears disappeared | UBC Botanical Garden Forums
2009年10月5日 · Solution? They dug out and burned down ALL juniper bushes in the area. Result? The rust went away and the Pear Trees were saved. Who knows? I do have the same exact problem per your pictures in particular. The tree is next to several Apple trees as well, which ocasionally get a few spots, but they look nothing close to what the Pear tree gets.
monkey puzzle tree root systems - UBC Botanical Garden Forums
2006年6月17日 · On slopes, many have found the "ground-hugging" juniper varieties work well at preventing errosion. I think if you mix in a variety of tall, medium, and low-growing trees and bushes, you can make an attractive presentation and control errosion effectively.