Moisture

Well-Drained Sites

Some species are more finicky about proper soil conditions and sunlight levels to grow optimally in well drained sites.

  • Abies grandis (Grand fir)
  • Acer circinatum (Vine maple)
  • Acer glabrum (Douglas maple)
  • Acer macrophyllum (Big leaf maple)
  • Alnus sinuata (Sitka alder)
  • Amelanchier alnifolia (Serviceberry)
  • Arctostaphylos columbiana (Hairy manzanita)
  • Arctostaphylos uva-ursi (Kinickinick)
  • Betula papyrifera (Paper birch)
  • Ceanothus sanguineus (Redstem ceanothus)
  • Ceanothus velutinus (Mountain balm)
  • Cornus nuttallii (Pacific dogwood)
  • Corylus cornuta (Beaked filbert)
  • Gaultheria shallon (Salal)
  • Holodiscus discolor (Ocean spray)
  • Lonicera ciliosa (Orange honeysuckle)
  • Lonicera hispidula (Hairy honeysuckle)
  • Mahonia aquifolium (Tall Oregon grape)
  • Mahonia nervosa (Cascade Oregon grape)
  • Myrica californica (Pacific wax myrtle)
  • Philadelphus lewisii (Mock orange)
  • Picea sitchensis (Sitka spruce)
  • Pinus contorta v contorta (Shore pine)
  • Populus balsamifera v trichocarpa (Black cottonwood)
  • Prunus emarginata (Bitter cherry)
  • Prunus virginiana (Choke cherry)
  • Pseudotsuga menziesii (Douglas fir)
  • Quercus garryana (Garry oak)
  • Ribes sanguineum (Red-flowering currant)
  • Rosa gymnocarpa (Bald-hip rose)
  • Rosa nutkana (Nutka rose)
  • Rubus leucodermis (Black-cap raspberry)
  • Rubus parviflorus (Thimbleberry)
  • Rubus ursinus (Trailing blackberry)
  • Salix scouleriana (Scouler willow)
  • Salix sitchensis (Sitka willow)
  • Sambucus caerulea (Blue elderberry)
  • Sambucus racemosa (Red elderberry)
  • Shepherdia canadensis (Russet buffaloberry)
  • Spiraea betulifolia (Shiny leaf spirea)
  • Symphoricarpos albus (Common snowberry)
  • Tsuga heterophylla (Western hemlock)
  • Vaccinium ovatum – organic soil (Evergreen huckleberry)
  • Vaccinium parvifolium – organic soil (Red huckleberry)

Winter-Wet (not necessarily flooded) & Summer-Dry Sites

  • Acer macrophyllum (Big leaf maple)
  • Acer circinatum (Vine maple)
  • Alnus rubra (Red alder)
  • Alnus sinuata (Sitka alder)
  • Betula papyrifera (Paper birch)
  • Cornus sericea (Red twig dogwood)
  • Corylus cornuta (Beaked filbert)
  • Crataegus douglasii var. douglasii (Douglas hawthorn)
  • Crataegus douglasii var. suksdorfii (Black hawthorn)
  • Fraxinus latifolia (Oregon ash)
  • Lonicera involucrata (Black Twinberry)
  • Mahonia nervosa (Cascade Oregon grape)
  • Malus fusca (Pacific crabapple)
  • Oemleria cerasiformis (Indian plum)
  • Physocarpus capitatus (Pacific ninebark)
  • Picea sitchensis (Sitka spruce)
  • Pinus contorta var. contorta (Shore pine)
  • Populus balsamifera var. trichocarpa (Black cottonwood)
  • Populus tremuloides (Aspen)
  • Prunus emarginata (Bitter cherry)
  • Prunus virginiana (Choke cherry)
  • Rhamnus purshiana (Cascara)
  • Ribes bracteosum (Stink currant)
  • Ribes divaricatum (Black gooseberry)
  • Ribes lacustre (Swamp black gooseberry)
  • Rosa nutkana (Nutka rose)
  • Rosa pisocarpa (Peafruit rose)
  • Rubus parviflorus (Thimbleberry)
  • Rubus spectabilis (Salmonberry)
  • Salix fluviatilis (Columbia willow)
  • Salix geyeriana (Geyer willow)
  • Salix hookeriana (Hooker willow)
  • Salix lucida var. lasiandra (Pacific willow)
  • Salix piperi (Piper willow)
  • Salix rigida (Heartleaf willow)
  • Salix scouleriana (Scouler willow)
  • Salix sessilifolia (Soft leaved willow)
  • Salix sitchensis (Sitka willow)
  • Sambucus racemosa (Red elderberry)
  • Spiraea douglasii (Douglas spirea, hardhack)
  • Symphoricarpos albus (Common snowberry)
  • Taxus brevifolia (Pacific yew)
  • Thuja plicata (Western red cedar)
  • Viburnum trilobum (High bush cranberry)

Sites Moist (not necessarily flooded) All Year

  • Betula glandulosa (Dwarf birch)
  • Cornus sericea (Red twig dogwood)
  • Fraxinus latifolia (Oregon ash)
  • Lonicera involucrata (Black Twinberry)
  • Malus fusca (Pacific crabapple)
  • Myrica gale (Sweet gale)
  • Picea sitchensis (Sitka spruce)
  • Pinus contorta var. contorta (Shore pine)
  • Populus balsamifera var. trichocarpa (Black cottonwood)
  • Populus tremuloides (Aspen)
  • Rhamnus purshiana (Cascara)
  • Ribes bracteosum (Stink currant)
  • Ribes divaricatum (Black gooseberry)
  • Ribes lacustre (Swamp black gooseberry)
  • Rosa pisocarpa (Peafruit rose)
  • Rubus spectabilis (Salmonberry)
  • Salix fluviatilis (Columbia willow)
  • Salix hookeriana (Hooker willow)
  • Salix lucida var. lasiandra (Pacific willow)
  • Salix piperi (Piper willow)
  • Salix rigida (Heartleaf willow)
  • Salix sessilifolia (Soft leaved willow)
  • Salix sitchensis (Sitka willow)
  • Sambucus racemosa (Red elderberry)
  • Spiraea douglasii (Douglas spirea, hardhack)
  • Taxus brevifolia (Pacific yew)
  • Thuja plicata (Western red cedar)
  • Viburnum trilobum (High bush cranberry)