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Middle Amazon Creek <br /> b) Guidelines for Tree and Shrub Plantings <br /> Notes: <br /> • Plan for a 400' section <br /> • Plants not to planted in clusters should be planted along the whole section in an even <br /> spacing. <br /> • On the top bank, trees should only be planted every 10 -15' on center. <br /> • On the lower bank, a few shrubs should be planted in clusters below each tree to allow <br /> mowing between. <br /> • To allow adequate conveyance, NO plants should be near bridges. Leave a distance of <br /> approximately one bridge width on either side of each bridge unplanted. Leave 20 feet <br /> unplanted centering on each outfall. <br /> Cluster diagram example <br /> Top of Bank < 10 -20' > < 10 -20' <br /> Upper Bank <br /> Lower Bank <br /> Creek <br /> Plants Total Number Plants Plantin <br /> Latin Name Common Name Qty of Plants spacing g Zone <br /> Both per within <br /> Banks Clusters Cluster <br /> s <br /> Acer macrophyllum Big -leaf maple 15 1 <br /> Pseudotsuga menziesii Douglas -fir 15 1 <br /> F, Pinus ponderosa Ponderosa pine 15 - - 1 <br /> Quercus garryana Oregon white oak 15 - - 1 <br /> Cornus sericea Creek dogwood 20 - 3 <br /> Rosa nootkana Nootka rose 15 5 -10 5' 3 <br /> Salix hookeriana Hooker's willow 30 - - 3 <br /> Salix scouleriana Scouler willow 30 - - 3 <br /> Salix sitchensis Sitka willow 30 - - 3 <br /> Spirea douglasii Douglas spirea 40 5 -10 5' 3 <br /> Symphoricarpus albus Snowberry 50 5 -10 5' 3 <br /> Total 150 <br /> c <br /> 21 <br />