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Spreading Cotoneaster (Cotoneaster divaricatus)

Plants: Cotoneaster

There is a bush growing in the back yard that has nearly taken over our landscaping. It is an evergreen that lies relatively flat, as its green branches shoot out several feet a year. The distinctive red berries are very attractive and give the plant a soft, Christmas-like appearance. That said, it is a fierce competitor for light and will smother many plants below its canopy.  Not knowing the name of the plant, I asked Eli Thompson, our expert gardener, for her knowledge bank. She quickly said:

“The name is tricky. It looks like Cotton Easter. I think of the name as two separate words, except the first word coton has one T instead of two and the second word is pronounced differently. It sounds like Aster. So the plant’s name is pronounced: co-TONE-y-AS-ter, with accents on the second and fourth syllables.”

Not getting it right, Cotton Easter is easier to remember. I am glad to have plants in our yard other than St. John’s Wart (with medicinal traits) and English Ivy (the weed of the Northwest). Cottoneaster works just fine for me.

When we moved into the house in 2002, the railroad ties in our back yard were held in place with English Ivy and the St. John’s Wart. The roots were so thick, and deep, they killed everything else in the garden. We made short work of those weeds (with weed killer), and extra rich soil. Terracing was the way to go, so we planted a special tiered garden with all new mulch and new plants we loved.

A relative of the rose family (Rosaceae), the cotoneaster is a diverse genus of flowering plants native to Asia, Europe and North Africa. According to Wikipedia, plant relatives include hawthorns (Crataegus), firethorns (Pyracantha), photinias (Photinia), and rowans (Sorbus). There are between 70 and 300 different species of cotoneaster, depending on what source you refer to. The majority are shrubs, like in our yard, or small trees. They are often in alpine areas growing in the Himalayas, and in woodland gaps at lower altitudes. The Rosaceae have three predominant plants of note: Rockspray Cotoneaster (Cotoneaster horizontalis)
Spreading Cotoneaster (Cotoneaster divaricatus) and Franchet Cotoneaster (Cotoneaster franchetii). Most of the Cotton Easter in our yard are Spreading Cotoneaster.

Here are a few more pictures of this unusual plant, as it moves across the landscape.

rockspray cotoneaster
284_0_Cotoneaster-horizontalis-Faechermispel
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http://en.wikipedia.org/wiki/Cotoneaster

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