Theodore Klein Plant Awards
Below you’ll find the Shrubs that have received the honor of “Theodore Klein Plant Award” in alphabetical order based on its Latin name.
Large, upright arching shrub best known for sweetly fragrant masses of light pink flowers and stunning yellow/orange/red fall color. This is a durable and adaptable shrub as long as it has sufficient space to grow.
Abelia x grandiflora
A tough as nails shrub that is grown for its spring and summer crops of lightly fragrant, pink/white trumpet-shaped flowers, compact growth and foliage that emerges coppery and then fades to a golden yellow. Drought tolerant, deer resistant and easy to grow.
Acer palmatum var dissectum
An excellent collection of superior performing sugar maple selections, these will all create upright rounded shade trees with uniform outline, attractive, scaly gray bark and brilliant red/orange fall foliage color. Best on a good quality soil with adequate moisture.
A large, colonizing shrub known for its late spring/early summer spikes of clear white flowers and excellent yellow fall foliage color. It is easy to grow, adaptable to a wide range of soils, has few pest and disease problems and makes a long-lived and trouble free specimen in the garden. Best in light shade but will take full sun with adequate soil moisture. An excellent pollinator plant – particularly attractive to bumble bees and butterflies.
Japanese Beauty Berry
3’ x 3’ shrub best known for its brilliant, amethyst-colored fruit that color up in late summer and last through the fall. Bright green foliage sets off delicate pink/white flowers on branch tips in mid-summer. Best in full sun to light shade. Deer resistant.
This outstanding hybrid of our native North American and Asian sweetshrub species is a robust grower with glossy deep green leaves and golden yellow fall color. Spring flowers of deep burgundy-red are highlighted with bits of yellow and offer a pleasant fragrance. Reblooms occasionally in summer. Full sun or part shade.
This hybrid between C. chinensis and C. occidentalis boasts fragrant, bright red blossoms over a long period in late spring and early summer. A large, free growing shrub that is deer resistant, tolerant of a wide range of soils and can grow in full sun or light shade. Our favorite of all the sweetshrub hybrids.
Magical® Moonlight (‘Kolmoon’)
This excellent Kentucky native is one of our favorite pollinator shrubs, offering up honey-scented, golf ball sized flowers in late spring and glossy green summer foliage. This selection is more compact than the straight species, topping out at about 5’ tall and wide. It will tolerate everything from sopping wet soil to drought conditions.
Magical® Moonlight (Plant Nouveau)
One of the most adaptable of our native shrubs, button bush produces spherical, fragrant white blooms about 1.5″ in diameter. Glossy summer foliage turns a clear golden yellow in fall. Excellent pollinator plant and adaptable from dry soils to sites with standing water.
Chinese Plum Yew
Outstanding evergreen shrub with deep green needles and a rounded shape. Tolerates heavy pruning althogh plants are best left unpruned for best performance. One of the most cold tolerant and more compact and uniform in growth of the Cephalotaxus cultivars. Slow growing but long lived and durable plant.
This delightful North American native shrub is covered in late spring/early summer with sweetly fragrant, white flower spikes that are covered with a long list of pollinators. Bright golden fall foliage adds a nice touch in autumn. Likes a soil with reasonable moisture and performs best in full sun to light shade. The straight species grows to about 6′ tall x 6′ wide but ‘Hummingbird’ is a more compact selection that matures at around 3’x3′.
Cornelian Cherry Dogwood
Known as an excellent small garden tree for early color, Cornelian Cherry Dogwood produces masses of bright yellow flowers in early to mid spring followed by dark red cherry-like, edible fruit. Mature plants grow to about 20′ tall and wide but the selection ‘Golden Glory’ tends to be more upright in shape and is a very heavy bloomer.
Delightful, delicate textured shrub for full sun or part shade. Spring flowers produced in short pendulous strands in a pale chartreuse color. Fall foliage color is a clear yellow. Easy to grow and few pests. The blooms make excellent cut flowers to bring inside early in the garden year.
North American native shrubs to 3-4’ tall and wide that are best known for their spring and fall foliage colors. The Kodiak© Red, Orange, and Black selections all offer disease (and deer) resistant foliage and delicate yellow summer blooms. Plants are tolerant of full sun or light shade and perform well on any reasonable soil.
Fothergilla x grandiflora
This large, deciduous shrub is known for its spring crops of honey-scented, white bottle brush flowers and fiery fall color of yellow, orange and red. It performs best in full sun with adequate soil moisture but will perform well in light shade although with somewhat reduced flowering and fall foliage color. ‘Mt Airy’ is an excellent selection with uniform and vigorous growth and heavy flower production.
Hamamelis x intermedia
The winter flowering, hybrid witchhazels offer sweetly fragrant, showy flowers in winter, ranging from yellow to orange, red and even purple and often excellent fall foliage color. They are tremendously adaptable plants that are at home in full sun (where they show best flowering and fall foliage color) or light shade in any reasonable soil. There are scores of cultivars selected for particular flower color and timing.
‘Pee Wee’ ‘Ruby Slippers’ ‘Munchkin’ Little Honey™
Large, North American native deciduous shrub with bold, leathery leaves and creamy white flowers. Excellent, red/burgundy fall foliage. Best in light shade with adequate soil moisture. This is a highly variable species with some selections maturing at 4′ tall and wide and others growing to 15′ or more in height and width. An easy to grow and long lived shrub.
St John's Wort
'CCFLPC-1' Blue Velvet TM
This compact grower offers sunny yellow flowers in late spring and early summer on brilliant blue-green summer foliage. It is highly disease resistant and easy to grow. Blue Velvet is extremely drought tolerant once established and will grow well on poor soils. Selected by Dr. Paul Cappiello of Yew Dell Botanical Gardens
The winterberry hollies are stars of the fall and winter landscape with female selections producing massive crops of fire engine red fruits that hang on for a long time. Ranging in size from 3′ to more than 10′ (depending on cultivar) this deciduous shrub species will handle any soil from consistently wet to slightly dry. It is easy to grow, has few pests and offers birds a loved food source in winter. ‘Red Sprite’ is one of the smaller female selections, maturing at about 4′ tall and wide with large fruits. Requires a male pollinator.
A vigorous, spreading shrub with upright arching stems bearing clear white flowers in late spring. In fall, the foliage develops a brilliant, scarlet color that lasts through much of the fall. A tough, durable and drought tolerant species although best flowering and fall color on a soil with reasonable moisture. ‘Henry’s Garnet’ is a selection for superior, bright red fall foliage color.
Examples: ‘Acoma’, Kiowa', ‘Hopi’, 'Nachez'
The Crepe Myrtle selections developed by the late Dr. Don Egolf (US National Arboretum) are among the most cold hardy and dependable available. They combine great vigor, heavy flowering and attractive exfoliating bark. Plant in full sun and avoid wet soils for best performance. Acoma, Kiowa and Natchez are white flowered while Hopi produces pink flowers.
This large, arching shrub is an excellent late summer bloomer for the sunny or partly shaded border. It is drought tolerant, pest resistant and can be grown as a woody shrub or annually cut back to the ground since it flowers on new growth. Rose/pink flowers cover the plant in late summer/early fall.
Oriental Spice Bush
Stunning and durable large shrub best known for its brilliant red and orange fall foliage color. Excellent for screening or as an accent specimen. Long lived, adaptable and deer proof.
This large woodland shrub is grown for its subtle spring flowers of yellow/green and summer/fall red fruit. It is the preferred host to the spicebush swallowtail butterfly. An excellent choice for sun or dappled shade and is tolerant of a wide range of soils.
'Seward' , Summer Wine™
This almost indestructible shrub is a standout for the summer garden. Mahogany foliage is deeper and holds its color better than other varieties. Pink/white late spring flowers offer excellent contrast and are attractive to a wide range of pollinators.
A gold foliaged spin on a classic shrub. Growing to 5’ tall and 6’ wide with delicately textured, soft yellow leaves, it works great in full sun to light shade and most soils. Tiny white flowers cover the stems in early spring. Deer resistant.
This US National Arboretum introduction makes a dense, compact shrub with leathery, semi-evergreen leaves and creamy white snowball-like spring masses of flowers. Tolerant of a wide range of growing conditions, this is a highly adaptable shrub that will fit in many landscapes.
A large, deciduous shrub grown for late spring, creamy white flowers, showy masses of fall fruit and glowing, maroon fall foliage color. It is adaptable to a wide range of conditions from full sun to light shade, is an excellent pollinator plant when in bloom and the fruit crops are favored by many bird species. Tolerant of very wet soils. The selection ‘Winterthur’ has improved fall color and fruit set compared to the straight species.
Viburnum x burkwoodii
‘Mohawk’ has long been one of the gold standards of fragrant garden shrubs. This outstanding selection will grow to approximately 7’ tall and wide with dark glossy green summer foliage, changing to a rich red-orange in autumn. In spring, rich cherry-red flower buds put on a display for 10-14 days before opening to gleaming white, spicy scented, snowball-like blooms.
Viburnum x burkwoodii
Broad spreading, compact shrub with clear white spring flowers, glossy dark green summer foliage that turns dark green/burgundy in fall/winter. Late summer fruit start red and gradually turn jet black. Easy to grow shrub with few pest/disease problems. Developed and introduced by the US National Arboretum.