Monthly Archives: May 2005

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 … Continue reading

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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 … Continue reading

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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 … Continue reading

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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 … Continue reading

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Valentine Hoya

Q. Hi Peter: I was recently at the Seymour Botanical garden in Tacoma, WA and saw a Valentine Hoya. It had heart shape leaves and a black blossom… very unusual, but I have to have one. Would you know where … Continue reading

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