EM 8721    Revised June 2020

We see them at the edges of farm fields or along roads: long rows of trees, shrubs, flowers and grasses known as hedgerows. They are living fences with the ability to grow food, shelter wildlife, save water, manage weeds and look beautiful all year round.

Hedgerows are sometimes called shelter belts, windbreaks or conservation buffers. These layers of plant life enhance the beauty, productivity and biodiversity of a landscape.

Hedgerows originated in medieval Europe and are enjoying a modern resurgence. People in England planted hawthorn cuttings and allowed them to grow to about 6 feet. They were bent and trained to fill gaps in the trees, yielding a living fence. They called these fences “hagas” or hedges, from the word “hawthorn.” As the birds settled in the hawthorns and dropped seeds, more plants sprung up. Today, many farms in England are surrounded by ancient hedgerows that shelter beneficial organisms and conserve soil and water.

Hedgerow plantings were uncommon in the early United States. In the 1930s, the U.S. Department of Agriculture’s Shelterbelt Program briefly supported planting trees for windbreaks to prevent soil erosion in the Midwest. Today, as interest surges in sustainable farming methods, more people are turning to this age-old practice.

Hedgerows can serve several ecological functions. Among their many benefits, hedgerows:

  • Enhance ecological biodiversity.
  • Offer food for livestock, humans and wildlife.
  • Provide habitat for beneficial insects and pollinators.
  • Facilitate water conservation.
  • Provide windbreaks.
  • Help manage invasive weeds.
  • Provide erosion control and improve soil health.
  • Support the health of aquatic habitats.
  • Enhance carbon sequestration.
  • Create borders and privacy screens.
  • Reduce noise, dust, chemical drift and other types of pollution.
  • Diversify farm income.
  • Generate year-round beauty.

Let’s look at these benefits in detail.

Enhance ecological biodiversity

Biodiversity describes the variety of life forms within a specific ecosystem and the relationship of these organisms to one another and the broader environment. Hedgerows can be designed to attract a wide variety of mammals, birds, reptiles, amphibians, insects and plants, many of which offer beneficial relationships to each other. They also create more edges, or “ecotones,” between different habitats, which increases species diversity. Trees and shrubs provide shelter for larger mammals, and nesting sites and perches for raptors, which are important predators of rodents. Dense or thorny shrub thickets can offer songbirds a refuge to escape predators as well as a place to nest. The diverse composition and structure of a hedgerow creates a functional habitat where species experience vital interconnections with one another and the environment.

Offer food for livestock, humans and wildlife

Hedgerows provide undisturbed refuge for species of all kinds, creating wildlife corridors, travel lanes or habitat islands. Hedgerows help protect wildlife from predators and provide sheltered access to riparian zones or other water sources. These corridors are especially important in fragmented landscapes, such as fields where only a single crop is grown. Hedgerows provide shade to reduce heat stress and help to block wind currents. These measures support a healthier wildlife population. Berry-producing plants encourage insectivores, such as birds, that also prey upon common crop pests. The hedgerow habitat creates cover for wildlife so they can feed, nest and care for their young.

Provide habitat for beneficial insects and pollinators

Planting a variety of flowering trees, shrubs, forbs and perennial plants provides insect habitat, and nectar and pollen sources throughout the year for beneficial insects and pollinators. Plants in the family Umbelliferae attract parasitic wasps; predator flies such as hover flies, lacewings and ladybeetles; and true bugs, like ambush or minute pirate bugs. Flowering plants in this family include coriander, dill, fennel, parsnip, parsley and carrots. These plants are useful in the kitchen and are also very attractive to pollinators. Over 75% of successful production of food requires pollination. Increasing plant habitat for pollinator species improves fruit set, size and quality, as well as general biodiversity. Pollinator habitat also attracts beneficial insects, which prey on many crop pests. Increasing the numbers of beneficial insects can help farmers manage crop pests and cut down on insecticide use.

Facilitate water conservation

Hedgerows retain water and reduce evaporation by reducing wind speed and providing cover over the ground surface. Plants also catch and store water in their root systems, leaves and branches, slowing the rate of excess rainwater entering waterways and reducing the risk of flooding. Decaying matter from the roots, stems and branches of hedgerow plants increase the organic matter in the soil over time. This increases the soil’s ability to absorb and retain water. Planting hedgerows on hillsides helps conserve water and soil by reducing erosion. If planting near adjacent cropland, periodic root pruning can reduce competition for nutrients and water.

Provide windbreaks

Properly designed hedgerows can reduce wind speed by as much as 75% and improve crop performance. This is especially effective when plantings reach a density of 40%–50% and are planted perpendicular to the prevailing wind. Wind-resistant trees usually have flexible, wide-spreading, strong branches and low centers of gravity. Wind-tolerant shrubs often have small, thick or waxy leaves or very narrow leaves or needles, to help control moisture loss. Wind can disturb pollination and damage fruit and flowers when plant parts thrash against each other. During times when soil is exposed, a windbreak can protect topsoil from erosion. Crops under wind stress also put energy into growing stronger roots and stems, resulting in smaller yields and delayed maturity. Strong winds also cause lodging of grain and grass crops, bending the stems and making harvest more difficult. Winds dry out crops on the field edges, increasing pests such as two-spotted spider mites.

Help manage invasive weeds

Hedgerows planted along roads or between crop fields may prevent weed seeds from blowing into the field. The weed seed pods collect on hedgerow plants, where a farmer could remove and burn them. Hedges can prevent millions of weed seeds from entering the crop field. As hedgerows mature, these plantings displace invasive weeds. If well maintained, this weed management lasts the lifetime of the hedgerow.

Provide erosion control and improve soil health

Rain, irrigation, clean cultivation and vacant field borders can all increase erosion potential in an agricultural system.

Hedgerow plantings can significantly reduce the amount of soil erosion on a landscape. They can also provide a barrier to filter out pollutants, such as pesticides, and slow down sediments and organic material that can flow from farm fields into waterways. This is accomplished by increasing the surface water infiltration rate and improving soil structure around the root zone. This, in turn, decreases fertilizer runoff from farm fields. The biomass that plants shed acts as a soil conditioner and can enhance plant growth. In urban or suburban environments, hedges similarly reduce pollutants from neighboring sites.

Support aquatic habitat

Hedgerows can provide shade to riparian areas. Shade reduces water temperatures, prevents water evaporation and improves watershed quality. Though many factors influence watershed temperatures, studies have proven that lowland streams bordered by trees and tall shrubs exhibit cooler temperatures. The hedgerow’s latitude, stream aspect, leaf density and the height of its vegetation from the water surface all affect water temperature.

Enhance carbon sequestration

During photosynthesis, trees, shrubs and grasses absorb carbon dioxide from the atmosphere, allowing the carbon to become part of the plant’s tissue. As plants die or shed tissue — either through natural processes or pruning — the carbon that was stored in the plant breaks down and enters the soil. Plants store relatively large amounts of carbon in their biomass, helping to offset some of the effects of climate change. A tree can absorb as much as
48 pounds of carbon dioxide per year and can sequester, or store, 1 ton of carbon dioxide by the time it reaches 40 years old.

Create borders and privacy screens along roads and between properties

Hedgerows are attractive borders and can block undesirable views. Evergreens offer year-round screening. When selecting plants, consider the height at maturity for optimum screening. Evergreens can be pruned to control height and density. Plant a diverse mix of species to help protect against damage from a single pest or disease.

Reduce noise, dust, chemical drift and other types of pollution

As hedgerows mature and become dense, they can create barriers to reduce noise, dust, chemical drift and other pollutants. Open canopy trees are effective barriers to dust and pesticides; air and particles slowly filter through them instead of depositing clouds of pollutants on the other side of the hedge.

Plant hedges as close as possible to any areas where pollutants are a concern. This can help alleviate neighborhood conflicts where agriculture intersects with urban areas.

Hedgerows can act to contain contaminants from urban or suburban environments and keep them from entering agricultural areas.

Diversify farm income

Trees, shrubs and herbaceous plants in a hedgerow can also serve as sources of income. Potential products include nuts, fruits, berries, leaves, flowers, seeds, bark and medicinal herbs. You can grow plants to be propagated as seeds, rootstock, cuttings and transplants. Other potential crops are nursery stock and floral materials, including ferns, broadleaf evergreens, flowers and willows grown for craft material and furniture. You can grow fruits, berries and nuts for food. Hedgerows can shelter bees and encourage a higher pollination rate. Consider planting trees for secondary wood products such as lumber, veneer, firewood, chips for bedding and mulch. Game birds such as quail, pheasant and sage grouse are attracted to hedgerows. Managed hunting can provide a potential source of food and off-season revenue for landowners.

Generate year-round beauty

Hedgerows in the landscape add continuous beauty. You can design a hedge for year-round interest, considering the color and texture of leaves and bark, bloom color and timing, and the general growth habit or form of plants.

Establishing and maintaining hedgerows

Whether in rural or urban settings, the principles of planning a hedgerow are the same: Evaluate the site, determine what you would like to accomplish with the plantings, match the right plant with the right place, and properly prepare the site.


There are many essential components to consider when designing a multifunctional hedgerow. The first step is to observe the site where the hedge is to be planted and take into consideration the ecological and environmental conditions listed below. These elements influence the design, plant selection, location and the size of the area to be planted. Although a single line of trees will provide some benefits, four or more rows of plants are optimal for windbreaks, water and soil conservation, wildlife habitat and general biodiversity. When it works for the situation, place plants tallest at maturity in the center row, with shorter ones inter-planted between and along the edges. A diverse selection of plant sizes and characteristics is most beneficial. When possible, orient rows perpendicular to prevailing winds.

Hedgerows following land contours create meandering lines on the landscape, producing a natural appearance and larger buffer for wildlife habitat. If the goal is to attract pollinator species, reserve approximately one half-acre for every 40 acres planted in crops.

Plant selection

Plant a wide variety of multi-tiered plants for maximum habitat. Avoid varieties that are susceptible to common pests and diseases and choose plants that are non-invasive. Some perennial species such as blackberry can provide excellent wildlife habitat and food crops but are highly invasive and require frequent maintenance. See the plant lists on page 7 for plantings suited to the Pacific Northwest.

When selecting plants, consider the conditions plants need to survive in specific habitats:

  • Range: place of origin (indigenous, native/non-native).
  • Hardiness zones: frost dates.
  • Light requirements: sun or shade.
  • Size of plants at maturity, growth.
  • Soil type (pH, fertility, erosion concerns).
  • Drainage.
  • Water movement and moisture needs.
  • Planting time.
  • Bloom time: seasonal interest.
  • Day length.
  • Productivity.
  • Tolerance to heat, cold, salt, drought, pollution, wind and wild or domestic animals.
  • Evergreen or deciduous.
  • Plant structure: form or shape, texture, leaf and bark type.
  • Edible or poisonous: what parts.
  • Insect and disease resistance.
  • Plant size, costs and availability.
  • Maintenance needed.
  • Allellopathy: a chemical inhibitor of one plant to another which can impact germination or plant growth.

Ultimately, place plants together that have similar soil, water, sun and drainage needs.

General planting recommendations:

  • Plant trees and shrubs about 6 to 8 feet apart in rows 8 to 10 feet apart.
  • Plant one or two rows of tall trees flanked by a row or two of shrubs. A 20-foot wide hedgerow can have two rows of shrubs flanking a row of trees.
  • Hedgerows work best for wildlife when they are wider than 20 feet.
  • Depending on the site’s prevailing winds, a winter windbreak could have at least two rows of evergreen trees and a row of deciduous trees or shrubs. A summer windbreak could have at least one row of tall deciduous trees and a row of deciduous shrubs.
  • Make sure the planting holes are deep and wide enough to accept and cover the roots of each plant. Be sure to water in each new planting.
  • In a small area, place a 3-inch layer of straw mulch or cardboard around each tree and shrub after planting to discourage weeds and encourage plant survival.

Soil preparation

Soil preparation is one of the keys to plant survival. On a smaller site, an easy way to establish planting areas in existing grass or pasture is to apply a thin layer of compost or manure, followed by several layers of cardboard, and mulch such as straw or leaves. Worms are attracted to the manure and will work over the winter to decompose grasses and fertilize the soil. However, this method may not be practical on a large scale. In this instance, prepare the area for planting by tilling the ground in spring and planting an early cover crop such as crimson clover, followed by buckwheat. In late summer, till or disc in the cover crop and replant an overwintering cover crop such as crimson clover, field peas or vetch. Cover crops improve soil fertility, reduce weeds, stabilize the soil and attract beneficial insects. Till again the following spring and install the first set of plantings for the hedgerow.

Another option for sites with high weed pressure is solarization. Closely mow the ground and put down UV-stabilized anti-condensation greenhouse plastic in midsummer for several weeks to kill the weeds. After solarization, remove the plastic and follow with a fall planting.

Planting time

In more temperate environments, fall planting allows roots to become established before foliage emerges and gives plants the benefit of winter rains. In extreme cold climates, early spring may be the ideal time for planting. At the time of planting, apply amendments such as compost or manure as a top dressing.


To increase the success rate of your hedgerow planting, provide supplemental water for the first two or three years. Irrigate once a week during the heat of the summer during the first year. For the second year, water every two weeks. In the third year, irrigate once a month. Irrigation needs depend on the location and the plants selected. Be sure to water deeply to encourage deep root growth. Most hedgerow plantings may not survive if they do not get supplemental water in the first few years. Water can be supplied by swales, furrows, flood, drip irrigation or hand watering. If the hedgerow is next to cropland, overhead irrigation from the crop can be extended to water the hedge.

Keeping out weedy plants and destructive wildlife

One of the biggest challenges in establishing a hedgerow is keeping unwanted plants from taking over the new plantings. There are a variety of techniques to inhibit these weedy plants. The simplest method is to leave alleys between plant rows for mowing, cultivation or mulching until plants are well established. Ideally, an area 6 to 8 feet wide around the hedgerow should be mowed, flailed or tilled for weed management, fire protection and rodent control. It is also important to mulch heavily with a minimum of 3 inches of leaves, straw, sawdust or cardboard around each plant. As plants mature, they will eventually shade out most annual weeds. This is the ideal time to infill with low-growing, shade-tolerant plants.

If needed, protect plants from beaver and nutria with hardware cloth, and use partially buried plastic-coated cardboard or tubing around tree trunks to protect from voles and mice. If applying pesticides, follow the label in order to protect riparian zones along rivers, creeks and ponds from contamination.

Managing a hedgerow in the first few years is similar to managing a crop. Good weed management during establishment results in less labor to control weeds in seasons to come.

Cost of establishment

Planting hedgerows does not have to be expensive. Seedling plants are available at low cost, and you can propagate new plants from existing plantings. The larger the plant, the sooner it will reach maturity, which is especially important in creating a fast-growing privacy screen. This can be achieved by purchasing dormant bareroot plants and 1-gallon potted plants or larger. Remember, these larger plants will most likely require summer irrigation. Government programs are available to assist landowners with hedgerow development. Many counties have tax exemption programs for riparian lands, along with wildlife habitat conservation and management programs. See “Incentive programs to help with hedgerow establishment” and Estimated Costs To Establish Pollinator Hedgerows, in “Resources,” pages 9–10.


A hedgerow is a long-term commitment. With proper planning and care, it will take approximately four to eight years to establish a hedgerow and 30 or more years for it to reach maturity. To encourage success, draft a plan with planting installments for each year, depending on your goals and budget.

Hedgerows in rural agricultural or urban settings provide many benefits that increase over time, including the opportunity for supplemental income. With benefits for wildlife, humans and the planet, hedgerows are a practice that has stood the test of time.

Hedgerow plants

Hedgerows can contain native and non-native plants, although plants should not be invasive. The following trees, shrubs, groundcovers and perennial plants are appropriate for hedgerows in the Pacific Northwest. Remember to consider proper site selection and plant requirements. Plants that tolerate wet soil are indicated by an asterisk (*).

Sun-tolerant plants 25+ feet tall

Abies grandis

Grand fir

Acer macrophyllum

Bigleaf maple

Alnus rubra

Red alder*

Arbutus menziesii




Calocedrus decurrens




Chrysolepis chrysophylla

Golden chinkapin

Diospyros virginiana


Fraxinus latifolia

Oregon ash*

Juglans regia

English walnut

Picea species


Pinus ponderosa

Ponderosa pine

Populus trichocarpa

Black cottonwood

Prunus subcordata

Klamath plum*

Pseudotsuga menziesii


Quercus garryana

Oregon white oak

Robinia pseudoacacia

Black locust

Thuja plicata

Western redcedar

Sun-tolerant plants under 25 feet

Arbutus unedo

Strawberry tree


Chokeberry Schubert

Baccharis pilularis consanguinea

Coyote brush

Ceanothus velutinus

Tobacco brush

Cornus stolonifera

Red twig dogwood

Crataegus douglasii


Diospyros kaki

Japanese persimmon

Diospyros virginiana

American persimmon

Elaeagnus multiflora


Elaeagnus umbellata

Autumn olive

Ficus carica


Fuchsia magellanica

Hardy fuschia

Lonicera caerulea

Blue honeyberry

Lonicera involucrata


Malus fusca

West Coast crabapple

Malus sp.




Myrica pensylvanica


Oemleria cerasiformis


Philadelphus lewisii

Mock orange

Prunus avium


Prunus domestica


Pyrus pyrifolia

Asian pear

Ribes sanguineum

Red-flowering currant

Ribes divaricatum

Black gooseberry*

Ribes nigrum

Black currant*

Rosa nutkana

Nootka rose

Salix fluviatilis

Columbia River willow*

Salix hookeriana

Hooker’s willow*

Sambucus cerulea

Blue elderberry*

Spiraea douglasii

Western spiraea*

Vaccinium corymbosum


Vaccinium ovatum

Evergreen huckleberry

Viburnum opulus

Highbush cranberry


Fragaria chiloensis


Gaultheria shallon


Mahonia nervosa

Oregon grape

Polystichum munitum

Sword fern

Vaccinium vitis idaea






Five-fingered akebia*

Plants for pond edges

Typha latifolia


Ledum glandulosum

Labrador tea*

Plants that tolerate shade

Chrysolepis chrysophylla

Golden chinkapin

Cornus nuttallii

Western flowering dogwood*

Corylus cornuta


Physocarpus capitatus


Polystichum munitum

Sword fern

Sambucus racemosa

Red elderberry*

Prunus virginiana


Plants for partial shade to shade

Acer circinatum

Vine maple *

Amelanchier alnifolia


Berberis aquifolium

Oregon grape

Gaultheria shallon


Cornus stolonifera

Red-osier dogwood

Holodiscus discolor


Lonicera involucrata


Oemleria cerasiformis

Indian plum

Philadelphus lewisii

Mock orange

Rhamnus purshiana

Cascara sagrada

Taxus brevifolia

Western yew*

Vaccinium ovatum

Evergreen huckleberry

Edge plantings

Achillea millefolium


Arctostaphylos uva-ursi


Berberis nervosa

Cascade Oregon grape

Calendula officinalis


Cichorium intybus


Foeniculum vulgare


Fragaria chiloensis

Wild strawberry

Gaultheria shallon


Lavandula angustifolia

English lavender

Medicago sativa



Carya illinoinensis

Northern pecans

Carya ovata

Shagbark hickory



Ginkgo biloba


Juglans ailantifolia


Juglans regia

English Walnut

Xanthoceras sorbifolium


Plants for arid environments

Plantings around vineyards

Artemisia spp.


Chrysothamnus, Ericameria


Eriogonum compositum

Northern buckwheat

Eriogonum niveum

Snow buckwheat

Eriogonum elatum

Tall buckwheat

Clematis ligusticifolia

Western clematis

Eriophyllum lanatum

Oregon sunshine

Crepis atribarba

Slender hawksbeard

Asclepias speciosa

Showy milkweed

Achillea millefolium


Some flowering plants attract specific kinds of beneficials, for example, carnivorous flies (Oregon sunshine), predatory bugs (stinging nettle) and Anagrus wasps (sagebrush). Research shows trends of reduced pest abundance and increased beneficial insect diversity and abundance in vineyards with a diversity of native flowering plants compared to vineyards lacking native plants.

Arid trees

Juniperus occidentalis

Western juniper

Larix occidentalis

Western larch

Picea pungens

Blue spruce

Pinus flexilis

Limber pine

Pinus edulis

Pinyon pine

Pinus ponderosa

Ponderosa pine

Pinus nigra

Austrian pine

Populus trichocarpa

Black cottonwood


Artemisia tridentata

Big sagebrush

Atriplex canescens

Four-wing saltbush

Cercocarpus montanus

Mountain mahogany

Ericameria nauseosa

Rubber rabbitbrush

Chamaebatiaria millefolium

Desert sweet

Cornus stolonifera

Red-osier dogwood

Mahonia repens

Creeping Oregon grape

Potentilla fruticosa

Shrubby cinquefoil

Prunus emarginata

Bitter cherry

Prunus virginiana

Chokecherry ‘Schubert’

Purshia tridentata

Antelope bitterbush

Rosa woodsii

Woods’ rose

Shepherdia argentea

Silver buffaloberry

Shepherdia canadensis

Russet buffaloberry

Herbaceous perennials

Antennaria species

Cat’s ears

Anaphalis margaritacea

Pearly everlasting

Aster alpinus

Dwarf alpine aster

Aurinia saxatilis

Basket of gold

Delosperma species

Ice plant

Echinacea purpurea

Purple coneflower

Ericameria nauseosa

Rubber rabbitbrush

Erigeron annuus

Fleabane daisy

Eriogonum umbellatum

Sulfur buckwheat

Eriophyllum lanatum

Oregon sunshine

Kniphofia uvaria

Torch lily

Lavandula angustifolia

English lavender

Linum lewisii


Penstemon pinifolius

Pineleaf penstemon

Rudbeckia species

Black-eyed Susan

Salvia dorii

Purple sage

Sedum spurium and album


Sphaeralcea munroana


Rosa woodsii

Woods’ rose

Yucca glauca

Narrow leaf yucca



Savin juniper

Arctostaphylos uva-ursi





Hens and chicks

Thymus pseudolanuginosus

Wooly thyme

Incentive programs to help with hedgerow establishment

Conservation Reserve Enhancement Program

In exchange for removing environmentally sensitive land from production and establishing permanent resource-conserving plant species, farmers and ranchers are paid an annual rental rate along with other federal and state incentives. This program is administered through the USDA Farm Service Agency and local Soil and Water Conservation districts.

Environmental Quality Incentives Program

This program provides financial and technical assistance to agricultural producers in order to address natural resource concerns and deliver environmental benefits such as improved water and air quality, conserved ground and surface water, reduced soil erosion and sedimentation or improved or created wildlife habitat. The program is administered through the USDA Natural Resources Conservation Service via local field offices.



USDA Natural Resource Conservation Service EQUIP Program

USDA Farm Service Agency CREP Program

Oregon Department of Fish and Wildlife

Books and publications

Earnshaw, S. Community Alliance with Family Farmers. Hedgerows and Farmscaping for California Agriculture: A Resource Guide For Farmers.

Guard, J.B. Wetland Plants of Oregon and Washington. 2010. Lone Pine Publishing.

Imhoff, D. and R. Carra. Farming With The Wild: Enhancing Biodiversity on Farms and Ranches. 2011. Sierra Club Books.

Kruckenberg, A. Gardening With Natives of the Pacific Northwest. 1982. University of Washington Press.

Lee-Mäder, E., J. Hopwood, M. Vaughan, S. Hoffman Black and L. Morandin. Farming with Native Beneficial Insects: Ecological Pest Control Solutions. 2014. Storey Publishing.

Link, R. Landscaping for Wildlife in the Pacific Northwest. 1999. University of Washington Press,

Mader, E., M. Shepherd, M. Vaughan, S. Black, G. LeBuhn, Attracting Native Pollinators. 2011. The Xerces Society for Invertebrate Conservation.

Martin, A., H.S. Zim, A.L. Nelson. American Wildlife and Plants: A Guide To Wildlife Food Habits. 1951. Dover Publications.

National Center for Appropriate Technology, Oregon Tilth and The Xerces Society for Invertebrate Conservation. Conservation Buffers in Organic System: Western States Implementation Guide. March 2014. 

Pojar, J. and A. MacKinnon. Plants of the Pacific Northwest Coast. 2016. Lone Pine Publishing.

Rodriguez, O. and R. Dufour. A Pictorial Guide to Hedgerow Plants for Beneficial Insects, ATTRA — Sustainable Agriculture Program.

Rose, R., C.E.C. Chachulski, D.L. Haase. Propagation of Pacific Northwest Native Plants. 1998. Oregon State University Press.

The Xerces Society. Estimated Costs To Establish Pollinator Hedgerows.

Pollinator guides and publications

Beyond Pesticides, Bee Protective Habitat Guide

Beyond Pesticides, Pollinator-Friendly Seeds and Nursery Directory

Melathopoulos, A., N. Bell, S. Danler, A.J. Detweiler, I. Kormann, G. Langellotto, N. Sanchez, D. Smitley and H. Stoven. Enhancing Urban and Surburban Landscapes to Protect Pollinators, OSU Extension, EM 9289

Pavek, et al. Plants for Pollinators in the Inland Northwest. 2013. USDA Natural Resources Conservation Service Technical Note No. 24

Pendergrass, K., M. Vaughan and J. Williams. Plants for Pollinators in Oregon. 2007. USDA Natural Resources Conservation Service and The Xerces Society for Invertebrate Conservation,

Pollinator Partnership

Shepherd, M. California Plants for Native Bees. The Xerces Society for Invertebrate Conservation.

The Xerces Society, Hedgerow Planting (422) for Pollinators: Western Oregon & Washington Specifications and Implementation Requirements

The Xerces Society, Bee-friendly plant lists

The Xerces Society, Habitat installation guides

The Xerces Society, Pollinator Conservation Resource Center

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