Q. Why has my photinia hedge of 20 years losing it leaves? They are turning brown, curling up and falling off. Barry Christensen – Puyallup, WA A. Well twenty years is a good run if this is the first time you have had problems with your photinia. Leaf drop is occurs in the advanced stages…
Category: Northwest U.S. Gardeners
Gardening questions from WA, OR, ID, MT & WY
Root rot on peonies & wet soil
Q. I have a section of a planting bed two 1/2 wide running north & south along the west side of a fence. It gets plenty of afternoon sun. The problem is that the Irises, which used to bloom there haven’t bloomed in several years even after lifting & dividing. Also I tried some Peonys…
Bud blast on tulip tree flowers
Q. I have a 30′ tree I think it is called a “tulip” tree because its flat green leaf shape resembles a flat open tulip. the tree also has a type of flower that resembles a fluted kings crown. It tapers up in a yellow brown and has a rim od yellow. It is quite…
Oxalis purpurea – browning leaves
Q. Dear Peter! Thank you for your column in the Tribune. My problem is this: I have several Oxalis plants; I think they are Oxalis purpurea. They provide beautiful mounds of green with their rose pink blossoms. Around right now though some of the mounds’ leaves turn brown and curly. What causes this? Our garden…
Replacing Rotting Wisteria Arbor
Q. We have a very old, well-established wisteria covering almost the entire front of our house. Unfortunately, two of the three largest branches, which are approximately 12 feet in length, are being held up in part by a wooden fence/arbor which we need to remove and replace due to rot. Is there any way to…