CITY OF SALEM TREE AND VEGETATION TECHNICAL MANUAL

Transcription

1 CITY OF SALEM TREE AND VEGETATION TECHNICAL MANUAL

2 Native Trees and Shrubs The following native plants are common to Salem and the Willamette Valley and are available commercially from local nurseries. These plants may be used to fulfill the requirements of Salem Revised Code Chapter 68. Native Trees Scientific Name Common Name Ave. Height (feet) Abies grandis grand fir Acer circinatum Vine Maple Acer macrophyllum Big-leaf maple Alnus rhombifolia White alder Alnus rubra Red alder Amelanchier alnifolia Western serviceberry 30 Arbutus menziesii Madrone Cornus nutallii Pacific dogwood Crataegus douglasii Black hawthorn Fraxinus latifolia Oregon ash Malus fusca Pacific crabapple 30 Pinus ponderosa Valley ponderosa pine Populus balsamifera ssp. Black cottonwood trichocarpa* Prunus emarginata Bitter cherry 7-50 Prunus virginiana Common chokecherry 30 Psedutsuga menziesii Douglas Fir 130 Quercus garryana Oregon white oak/garry oak Rhamnus purshiana Cascara 50 Salix spp.** Willow Taxus brevifolia Pacific yew Thuja plicata Western red cedar Tsuga herterophylla Western hemlock * Please consult with Public Works Stormwater Services before planting cottonwoods. ** Please consult with Public Works Wastewater Collection before planting willows.

3 Native shrubs/groundcovers Scientific Name Common Name Ave. Height (feet) Arctostaphylos uva-ursi Kinnikinnick 6-12 inches Cornus sericea (aka stolonifera) Red osier dogwood 7-9 Corylus cornuta Hazelnut 5-12 Gaultheria shallon Salal Up to 2 feet Holodiscus discolor Ocean spray Lonicera involucrata Black twinberry Mahonia(Berberis) aquifolia Tall Oregon grape 3-10 Mahonia (Berberis) nervosa Dwarf Oregon grape 2 Oemleria cerasiformis Indian plum Philadelphus lewisii Mockorange 5-10 Physocarpus capitatus Pacific ninebark 5-20 Rhododendron macrophyllum Western rhododendron 7-8 but up to 25 Ribes sanguineum Red flowering currant Rosa gymnocarpa Baldhip rose 6 Rosa nutkana Nootka rose 3-6 Rosa pisocarpa Swamp rose 3-5 Rubus ursinus Dewberry Low growing Rubus parviflorus Thimbleberry 3-8 Rubus spectabilis Salmonberry 3-10 Sambucus cerulea Blue elderberry Sambucus racemosa Red elderberry 6-20 Spiraea douglasii Douglas s spiraea 3-7 Symphoricarpos albus Common snowberry Symphoricarpos mollis Creeping snowberry Up to 18 inches Vaccinium ovatum Evergreen huckleberry 3-8 Vaccinium parvifolium Red huckleberry 4-10

4 INVASIVE/NUISANCE PLANTS Invasive and Nuisance plants are native or non-native species that have aggressive growth patterns and/or are harmful to humans. The following list presents species that may occur in the Salem area. This list may be modified to include other plants deemed to be invasive or nuisance plants by the Administrator. For a complete list of noxious weeds, consult the Oregon Department of Agriculture ( Scientific name Acer platanoides Acer saccharinum Agropyron repens Ailanthus altissima Alliaria petiolata Ambrosia artemisiifolia Ambrosia tomentosa Anchusa officinalis Arum italicum Brachypodium sylvaticum Buddleia alternifolia Centaurea species Centranthus ruber Circuta douglasii Cirsium arvense; C. vulgare Clematis vitalba Conium maculatum Convolvulus arvensis Convolvulus seppium Cortaderia selloana Crataegus monogyna Cyperus esulentus; C. rotundus Cytisus monspessulanas; C. striatus Cytisus scoparius Daphne laureola Digitalis purpurea Dipsacus sylvestris; D. laciniatus Egeria (Elodea) densa Eichhornia crassipes Elaeagnus sp Erodium cicutarium Euphorbia esula Foeniculum vulgare Common name Norway maple Silver maple Quackgrass tree-of-heaven garlic mustard Ragweed Skeletonleaf bursage Common bugloss arum false-brome fountain butterfly bush Starthistle/knapweed species Jupiter s beard; red valerian Water hemlock Canada thistle; common thistle traveler s-joy/old man s beard Poison hemlock Field morning glory Lady s nightcap Pampas grass English hawthorn Yellow nutsedge; Purple nutsedge French broom; Portuguese broom Scot s broom spurge laurel foxglove Common teasel; Cutleaf teasel Elodea, S. American waterweed water hyacinth Russian olive Crane s bill Leafy spurge fennel

5 Genista monspessulana Geranium lucidum Geranium robertianum Glecoma hederacea Halogeton glomeratus Hedera helix Helianthus ciliaris Hemizonia pungens Heracleum mantegazzianum Hieracium species Hydrilla verticillata Ilex aquifolium Iris pseudacorus Laburnum watereri Lamiastrum galeobdolan Lathyrus latifolius Leontodon autumnalis Ligustrum vulgare Ligustrum vulgare Lonicera japonica Lotus corniculatus Lunaria annua Lysimachia nummularia Lythrum salicaria Melissa officinalis Mentha pulegium Myriophyllum spp Nymphaea odorata Paulownia tomentosa Pennisetum spp. Phalaris aquatica Phalaris arundinacea Polygonum coccineum Polygonum convolvulus Polygonum cuspidatum; P. polystachyum P. cuspidatum xsachalinense Prunus laurocerasus Pueraria montana var. lobata (P. lobata) Rhus diversiloba Rubus armeniacus (R. discolor) Senecio jacobaea Silyburn marianum Solanum dulcamara Solanum elaegnifolium Solanum nigrum broom shining crane s-bill Robert s geranium ground ivy; creeping Charlie Halogeton English ivy Texas blueweed Spikeweed Giant Hogweed Hawkweed species Hydrilla English holly yellow flag iris Golden chain tree yellow archangel sweet pea Fall dandelion common privet common privet Japanese honeysuckle birdsfoot trefoil honesty; money plant moneywort purple loosestrife lemon balm pennyroyal parrot s feather, water-milfoils water lily empress tree fountain grass Harding grass reed canarygrass Water smartweed Climbing bindweed Japanese knotweed; Himalayan knotweed; Giant knotweed English laurel kudzu Poison oak Armenian (Himalayan) blackberry Tansy ragwort Milk thistle bittersweet nightshade Silverleaf nightshade Garden nightshade

6 Solanum rostratum Solanum sarrachoides Sorbus aucuparia Sorghum halepense Spartina spp. Taeniatherum caput-medusae Tribulus terrestris Ulex europaeus Utricularia vulgaris Various bamboo spp. Vinca major; Vinca minor Xanthium spinoseum Buffaloburr Hairy nightshade European mountain-ash Johnson grass Cordgrass species Medusahead rye Puncturevine gorse Common bladderwort Bamboo periwinkle; vinca Spiny cocklebur Sources of information: Oregon Department of Agriculture, The Nature Conservancy, the Native Plant Society of Oregon