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6-24 nicole sanchez

Gardeners can take steps to encourage visits from pollinators.

Hot off the OSU press this month is “Enhancing Urban and Suburban Landscapes to Protect Pollinators”, a forty page guide for those seeking to convert yard and garden space into pollinator paradise. This publication, available free online ( includes basic information on Pacific Northwest pollinators, with a heavy focus on native bees, factors that impact pollinators, creating and maintaining habitat for pollinators, principles for getting started, design suggestions, and a list of suitable plants. Also covered are pests, and how to manage pests with the least harmful effects on pollinators.

Just in time for pollinator week (June 22-28), this guide provides detail, specific suggestions, and layers of information that help gardeners understand some of the nuances of gardening with pollinators in mind. Because even organic pesticides can be harmful to bees when applied incorrectly, it’s especially important to realize that the materials, rate and method of application, specific pest, and developmental stage of the plant all interact to insure that one answer does not fit all situations.

Whether a home landscape is large or small, design principles can be applied in a way that creates a landscape better suited to pollinators. A sampling of the design principles featured in the guide follows.

Diversity of flowers

Just as people prefer different foods, different bee species are attracted to different flowers. Short-tongued bees may be limited to easily accessible pollen as is found on open, flat flower shapes, such as daisies. Bees with longer tongues can access pollen in cup or bell-shaped flowers. Some bees are specialists, preferring one or two flower types, while others are “generalist” feeders. The more diverse the flower selection in your garden, the wider the range of pollinators it will attract. Small garden tip: If there’s not room for a wide variety, the daisy family (Asteraceae) is a good place to focus plant selections.

Continuous flowering

Inclusion of blooming material during the “shoulder seasons” of early spring and late fall, when fewer food sources are available, is an important aspect of this principle. Ideally, a pollinator garden has something blooming all the time, so bees and other pollinators have a constant source of food. This is easy to do mid- summer, but more challenging early in the season when weather is cool, and late summer, when Klamath gardens are tired and dried out. Russian Sage is an example of a late summer bloomer that will continue to support pollinators after many other flowers have faded for the season. Gardeners with small spaces should seek plants with long bloom times to support this principle.

Include native plants

Native plants are the indigenous foods of native bees. While not always widely available for purchase, plants native to our area will be less prone to insect and disease problems, acclimated to our dry summers, and ideal for supporting pollinators. For Klamath gardeners, manzanita is a great early- season blooming native, while rabbitbrush supports a wide range of pollinators late in the summer, and is often the last food source available to bees as temperatures decline. Mock orange, Vine maple, and California poppies also support native pollinators.

Plant in waves

Economy of motion is not just for efficient workplaces- bees will appreciate large swaths of the same flower, which makes food gathering considerably easier, especially for small bees that don’t travel far between nesting site and food source. Some bees practice “flower fidelity”- while they may visit a whole range of flowers, they only visit one type or species of flower in each foraging trip. Large patches of one flower type make pollen collection more efficient by cutting flight time and expended energy. This principle is harder to apply in small spaces, but should not discourage small-space gardeners from supporting pollinators.

Remember trees and shrubs

Especially early in the season, trees and shrubs may be able to provide more pollen than their herbaceous counterparts. Fruit trees, manzanita, flowering quince, and willows are good examples. Remember that flowering plums and cherries are also beneficial for pollinators even though they don’t provide “people food”. Including woody material also allows for “stratification”- some pollinators are naturally attracted to flowers high in a tree canopy, while small, ground dwelling bees will pollinate a low- growing flowering hedge.

For those whose home gardening focus in on vegetables, incorporating a “pollinator patch” can support increased harvest as well. No matter the space available, there is a way to support and enhance pollinators in the home landscape. OSU’s new publication provides dozens of tips on how to do that- with information specifically relevant to our state and growing conditions.

Nicole Sanchez is horticulture faculty at OSU’s Klamath Basin Research and Extension Center. For more information on this or other gardening topics, contact Sanchez at 541-883-7131 or