Male pollinator: no fruit. Order at least one pollinator for every 10 female plants of fruiting cultivars.

Single white flowers: offer these as an alternative to, or mixed with the pink-flowered form.

This male clone grows to 60 ft. tall but only half as wide. With its strong central leader, its form is more pyramidal than truly columnar.

Everyone's grandma had a walnut table, but the craftsmen who made them are increasingly scarce, and trees of size to cut 16-inch wide boards are too valuable these days to survive much longer on private property unless grandma has her rolling pin handy. Tough, slow-growing American native.

Dark green foliage with white underside, turning yellow-orange-brown in fall. The large leaves are 4-7 in. long. Bark is ashy gray. To 50 ft. tall at maturity.

American wild rose, native to both sides of the Cascades, Alaska to California. Single pink flowers with a pleasing rose aroma. Wet site tolerant.

Hardier than its cousins and not as tall. It grows to only 1-2 ft., has satin foliage, and is more shade tolerant. An elegant low shrub for a spot where it can be left to spread without irrigation.

A choice cultivar of early-flowering, double pink M. stellata. Compact in form, it flowers precociously and the leaves remain mildew-free throughout the summer. Wonderfully fragrant, frost-resistant flowers on this short, elegant tree means you need one by your own front door.

The extraordinary growth rate of this cultivar coupled with its precocious blooming character make it a lucrative item. Moonglow® will grow to 5 ft. and bloom within 2-3 years. Selected and named by Earl Cully, this clone is surprisingly hardy to -33ºF. Lemon-fragrant blooms over a long period in late spring.

An oak of many colors, Black Oak was named for the dark shadows on its deeply fissured bark. Its inner bark is bright yellow, and the foliage develops appealing autumn color.

Tree-like, 30-40 ft. tall; rounded pink flower spikes with yellow throats in spring. Performs best in cooler climates.

Orange-gold fruits and lighter green foliage. Originally found as a branch sport of 'Winter Red'.

Selected by Earl Cully almost 20 years ago for its outstanding peeling bark, extreme hardiness, resistance to borers, and ability to grow in waterlogged or dry soils. Whether you clump them in a container or grow them as singles, this is among the easiest of plants to finish: even our smallest liners can grow to 5-6 ft. in a single season. Named Urban Tree of The Year for 2002 by the Society of Municipal Arborists.

Tends to be pinker in bud than most, and quite hardy. It's a bushy upright tree, fragrant, and late blooming.

Our native yarrow is one of our most common prairie plants and can be found in both wet and dry prairies. It is quick to establish on restoration sites so is great to use for enhancement or on disturbed areas. This member of the carrot family attracts many different pollinators and beneficial insects making it an important habitat plant. It can have white to pink flowers, 1-2 ft.

Large-flowered agoseris is found on thin-soiled upland prairies and rocky balds. It has a large rosette of cut-leaves and dandelion-type flowers that close by mid-morning. The flowers become a big white ball of fluff when in seed. As with our lawn dandelion, it will re-flower after it is cut. 1-2 ft.

The Monarch butterfly host plant with great retail appeal, so it's easy to sell. It is unusual and showy with 3-in., globes of pink-tinged, star-shaped flowers. This increasingly rare plant is the only genus on which Monarch butterflies will deposit eggs. The nectar-filled flowers, opening late summer, exude a pleasing sweet fragrance and produce magnificent seed pods. 2-3 ft. tall.

Delicate blue "snapdragon" shaped flowers, 0.5-2 ft tall. A winner in the restoration world, persisting on sites as the perennials fill in. Found in dry rocky sites and upland prairies.

Beautiful, soft, fine leaved bunch grass, spike of soft tan flowers, low growing, 3 ft in flower.

Our native Willamette Valley shooting star adorns our wetland prairies in the spring with a splash of hot pink. Combined with common camas, the landscape in April resembles an impressionist painting. There are multiple flowers on top of 15 inch stems. The brown seed pods also add early summer interest when used in landscape plantings.

Gorgeous sunflower! Multiple flowering stems provide spring blossoms. Found in upland prairies and rocky bald with our native Oregon White Oak. 2-3 ft tall. The seeds are a favorite of goldfinches returning from migration.

Thriving on sunny, dry, low fertility soils, Needlegrass is valued for its soil stabilization and revegetating strengths. Named for its spike-like seeds. It could star in naturalized areas with little foot traffic or in a corner as a native ornamental grass. It is found on very dry, rocky sites in the west.

Selected almost a century ago by New Jersey nurseryman William Flemer for its aesthetic merit. By stroke of good fortune, 'Princeton' has demonstrated moderate resistance to Dutch elm disease. Typical of this iconic American species in form and hardiness, it is an important part of the American experience, a relic selection from America's urban forest history, still adapted to its future so many generations later.

2-4 ft. shrub native across a broad swath in the upper latitudes of North America. Small pink flowers emerge in summer followed by white berries in the fall. Hummingbirds are attracted to the flowers. Its strong root system makes this shrub useful to control erosion on steep slopes of an embankment. Tolerates wet soils as well, so it is frequently used in riparian restoration. Used as an ornamental, easy to grow and gratifying with its persistent winter fruits. Occasionally head it back for best ornamental performance.

Stiffly horizontal, this male is a dwarf shrubby form that grows 3-4 ft. tall x 5-8 ft. wide over 10 years.

Chief among its merits is strong mildew resistance, in contrast to columnar English oak, which often gets terribly infested with this leaf disease. Strongly columnar in outline, it's 4-5 times taller than wide in outline, significantly more columnar than the similar selection, Regal Prince®. Grafted onto vigorous Q. bicolor liners with mycorrhizal roots, these have excellent survivability without significant transplant shock. Q. robur var. fastigiata x bicolor.

This variety has a significant advantage over seedlings due to its prominent white stripes on green bark, so much so that the trunk appears mostly white. Twigs and young branches are covered with a waxy white bloom - as on a grape skin. In winter the tree evokes a chalk drawing look in the landscape. Exceptionally hardy.

"Variegated" doesn't begin to describe this extraordinary cultivar of a species that generally lacks ornamental merit. In addition to the leaves being purple beneath, they're a kaleidoscope of astonishing variegation throughout. It doesn't burn in full sun, and is exceptionally drought resistant and cold hardy. Whether placed as an accent against larger, darker trees, or as a specimen up front, it will elicit comments from all who enjoy seeing it for the first time. This goes on your 'buy list'. Make sure of it, OK? You'll be back for more.

This is the most prized of white barked birch. It grows in classic conical form; it doesn't often look natural in a clump though it is often used that way. It is a easy to use adaptable tree.

With attractive lacey foliage that is very sweetly scented this makes an attractive, colonizing, small shrub that should be planted where it can be seen closely and easily touched to release its fragrance into the air. It has a long history of medicinal uses but is seen less frequently than deserved outside the North East.

It seems there are several clones going around under this name because there are at least two different dwarf Ginkgo trees at Spring Grove Cemetery in Ohio. We don't know which this is or if it is both; we started with more than one plant. But we do know they are dwarf and very attractive in conical growth habit.

With outstanding hybrid vigor, dark green foliage that is highly resistant to powdery mildew and almost perfect branching structure Jordan Street is perfect shade tree. It has shown no sign of damage from wind or ice and is hardy to below -28F and windchill to -86F - wow that is cold.

Selected long ago at Bellevue Botanic Garden, WA, for its superior form and color. It emerges every spring with dark chocolate foliage. Over the season, the leaves age to green with some ruddy highlights. White flowers on stems to 4 ft., leaves to 24 in.

It is widely recognized as one of the best forms that emerges with red leaves. The color is retained longer than other varieties, especially in full sun. Rodgersia are prone to spring frost so choosing a good site is important, and if they do get burnt back they will re-emerge. They are strong. Spreading ground cover to 24 in. in foliage, and 4ft., in blossom with white flowers.

A plant of real distinction with large leaves boldly edged in vibrant yellow. Robust to 3 ft. in flower, it will enliven any area where it grows. Easy and very fast in spring - a great attention grabbing garden center flip.

American sycamore is a common sight to many because it was once commonly used as a street tree. Now it is most regularly used for revegetation and roadside restoration projects.

Guy Sternberg, Starhill Forest Arboretum, introduced this fine oak hybrid in recent years. Tight branch habit, straight stems, and columnar form. Here in Oregon the persistent golden winter foliage contrasts with the typical russet of oak or beech leaves.

Selected at Starhill Forest Arboretum by Guy Sternberg for it's good columnar habit and exceptional fall color. Here in Oregon we have noted it's ability to grow very rapidly but with straight stems, while other columnar selections have the habit of having wavy growth similar to Q. robur fastigiata. Indeed the fall color is a stand out of among oaks for us, with yellows, orange and some red. The retained winter foliage is darker by several shades when compared to other oaks.

Also selected at Starhill Forest Arboretum by Guy Sternberg for its narrow and upright growth. The much shinier foliage is a little smaller than the other sections with smaller lobes.

This is proving to be the most adaptable river birch to dry and alkaline soil conditions in addition to be completely hardy in zone 3. So, no die back from winter injury and no iron chlorosis or the mortality that can cause. The parent tree is the largest of this species observed in the upper Northern Plains; it has a proven track record of over 40 years. Ivory colored with striking coppery-bronze exfoliations the bark is appealing year round. Resistant to borers as well.

With fruit color that is a major departure from the normal reds these golden hued berries are quite desirable. In our experience they don't set as many berries per stem as standard cut branch varieties but the color alone is enough to make them serviceable for the market.

This native rocket is a biannual or perennial found in wetter meadow habitats and ditches in the Willamette Valley. It has small yellow flowers and clasping pinnately divided leaves.

A handsome new selection from our friend of many years, Earl Cully. His judgment is well-respected in the industry. Forest Knight is a great street tree for new neighborhoods due to its leafy, high canopy features. It is broad spreading (to 50 feet) but the central leader is strong so it will develop fantastic symmetry over time.

Iconic lilacs - everybody's grandma had one, but this selection has a compact form; giving it strong modern appeal across a wide range. Memorable, pleasant fragrance. In addition to its expected cold-hardiness, Tiny Dancer™ boasts remarkable heat tolerance, growing and blooming well in the South. Even in Zone 8, violet-purple buds open into lavender flowers, joining dogwoods and azaleas as a marker of spring. Large panicles measure 4 to 5 in., the big florets making each cluster appear luxuriously full. Foliage and flowers are in perfect scale, one complementing the other. You know the feeling when everything is in balance with a plant: it exudes quality. We're inspired to bring Tiny Dancer™ to you, an updated version of an old classic for today's gardens.

Coarse and brittle, its blackish purple foliage, soft pink flowers and tough constitution still create big demand for it in commercial jobs and inexpensive landscapes across America. A favorite in the arid, hot Southwest where it tolerates blistering summer heat.

Green Gable is a destined to be a great addition to American horticulture, with notably glossy foliage, beautiful fall color and, due to its dominant central leader, superior pyramidal form.

From Shawn Mehlenbacher's work here at OSU comes a prized, blight-resistant, contorted, red-leaf hazelnut. With moderately contorted growth, it has an arching grace. Its purple color is intense in spring and early summer, and still dark later in the year. These are expensive but worth it; they will attract a lot of attention at garden centers.

Native across a broad range in the eastern US, it is consequently variable in leaf form, size and growth rate. Our seedlings are of Missouri source. This patriarch forest tree is best for parks and large, open landscapes.