Botanical Garden GA - State Botanical Garden of Georgia
Transcription
Botanical Garden GA - State Botanical Garden of Georgia
GEORGIA G LD MEDAL PLANTS SUMMER ANNUAL HERBACEOUS PERENNIAL Spurge ® Cora Vinca Catharanthus roseus Euphorbia wulfenii ‘Shorty’, and Euphorbia x martinii ‘Ascot Rainbow’ Full sun to part shade Full sun to part shade Zones 7-9 (Shorty) and 5-9 (Ascot Rainbow) 2015 Vinca is known as a deer-resistant annual, but has had a tough time growing in the Southeast – until Cora® Vinca, bred for disease, heat and humidity resistance, was in. troduced. With larger flowers and a more uniform growing habit than common periwinkle, Cora® Vinca is a tough annual for full sun to semishade. It is suitable for bedding, containers, groundcover, poolside plantings, and hanging baskets (Cora® Cascade™ Vinca is the trailing form). Expect the plants to grow 14-18” high and 24” wide, and make sure that there is good drainage. Large, abundant blooms in apricot, burgundy, dark red, lavender, white and violet last from early summer until the first frost. Since all bloom colors are on similar size plants, a color mix is an attractive option. Many new annuals are only available as plants, but Cora® Vinca is also available to grow from seed. Start seeds indoors 12 weeks before the last frost; outdoor sowing is not recommended. Do not plant outside too early – Cora® Vinca loves the heat. Cora® Cascade™ Vinca is a natural for hanging baskets and containers, but also spreads out when planted in the ground, creating a low, full mass of flowers in the landscape. Looking for a colorful planting for the hot Georgia sun? Mix Cora® Vinca with the blooming spires of Angelonia, the low, chartreuse foliage of Angelina Stonecrop, and the airy Pink Muhly Grass – all Georgia Gold Medal winners. There are many species and varieties of Euphorbia. In fact, the Christmas poinsettia is a Euphorbia. We’d like to award the 2015 perennial status to two garden euphorbias that combine colorful, evergreen, architectural structure with strangely beautiful, attention-getting, yellow blooms to create what Atlanta garden designer Dottie Myers calls “Dr. Seuss plants.” If George Jetson had a garden, this plant would certainly have been growing in it! These deer-resistant plants are great for rock gardens, borders, containers, or wherever you want a tropical look in a dry setting. They suffer during a wet spring or if overwatered, but laugh at drought and thrive among thirsty tree roots. ‘Shorty’ (Euphorbia wulfenii ‘Shorty’) forms a 12-24” compact, sculptural, rounded mass of silver-grey in the landscape. Yellow blooms appear in early spring and the foliage is flushed with burgundy in fall. ‘Ascot Rainbow’ (Euphorbia x martinii ‘Ascot Rainbow’ PP 21,401) has variegated leaves of green and yellow on a 20-24” tall plant, with burgundy on the newest foliage each fall and yellow blooms in early spring. Both are low maintenance and will spread to form a colony. Planting these next to a plant with purple foliage, such as Loropetalum, will bring out the burgundy tinge in the fall and contrast against the yellow blooms and green foliage. The milky sap that makes it unpalatable to deer and rabbits can be a skin irritant and poisonous if ingested. We suggest that you use gloves when working with this plant. winners Take home a Gold Medal Plant . . . and take home a winner! Georgia Gold Medal Winners are selected each year by the Georgia Plant Selection Committee in order to promote the production, sale and use of superior ornamental plants. For information on other Georgia Gold Medal Winners visit www.georgiagoldmedalplants.org. GEORGIA G LD MEDAL PLANTS SUMMER ANNUAL HERBACEOUS PERENNIAL Spurge ® Cora Vinca Catharanthus roseus Euphorbia wulfenii ‘Shorty’, and Euphorbia x martinii ‘Ascot Rainbow’ Full sun to part shade Full sun to part shade Zones 7-9 (Shorty) and 5-9 (Ascot Rainbow) 2015 Vinca is known as a deer-resistant annual, but has had a tough time growing in the Southeast – until Cora® Vinca, bred for disease, heat and humidity resistance, was in. troduced. With larger flowers and a more uniform growing habit than common periwinkle, Cora® Vinca is a tough annual for full sun to semishade. It is suitable for bedding, containers, groundcover, poolside plantings, and hanging baskets (Cora® Cascade™ Vinca is the trailing form). Expect the plants to grow 14-18” high and 24” wide, and make sure that there is good drainage. Large, abundant blooms in apricot, burgundy, dark red, lavender, white and violet last from early summer until the first frost. Since all bloom colors are on similar size plants, a color mix is an attractive option. Many new annuals are only available as plants, but Cora® Vinca is also available to grow from seed. Start seeds indoors 12 weeks before the last frost; outdoor sowing is not recommended. Do not plant outside too early – Cora® Vinca loves the heat. Cora® Cascade™ Vinca is a natural for hanging baskets and containers, but also spreads out when planted in the ground, creating a low, full mass of flowers in the landscape. Looking for a colorful planting for the hot Georgia sun? Mix Cora® Vinca with the blooming spires of Angelonia, the low, chartreuse foliage of Angelina Stonecrop, and the airy Pink Muhly Grass – all Georgia Gold Medal winners. There are many species and varieties of Euphorbia. In fact, the Christmas poinsettia is a Euphorbia. We’d like to award the 2015 perennial status to two garden euphorbias that combine colorful, evergreen, architectural structure with strangely beautiful, attention-getting, yellow blooms to create what Atlanta garden designer Dottie Myers calls “Dr. Seuss plants.” If George Jetson had a garden, this plant would certainly have been growing in it! These deer-resistant plants are great for rock gardens, borders, containers, or wherever you want a tropical look in a dry setting. They suffer during a wet spring or if overwatered, but laugh at drought and thrive among thirsty tree roots. ‘Shorty’ (Euphorbia wulfenii ‘Shorty’) forms a 12-24” compact, sculptural, rounded mass of silver-grey in the landscape. Yellow blooms appear in early spring and the foliage is flushed with burgundy in fall. ‘Ascot Rainbow’ (Euphorbia x martinii ‘Ascot Rainbow’ PP 21,401) has variegated leaves of green and yellow on a 20-24” tall plant, with burgundy on the newest foliage each fall and yellow blooms in early spring. Both are low maintenance and will spread to form a colony. Planting these next to a plant with purple foliage, such as Loropetalum, will bring out the burgundy tinge in the fall and contrast against the yellow blooms and green foliage. The milky sap that makes it unpalatable to deer and rabbits can be a skin irritant and poisonous if ingested. We suggest that you use gloves when working with this plant. winners Take home a Gold Medal Plant . . . and take home a winner! Georgia Gold Medal Winners are selected each year by the Georgia Plant Selection Committee in order to promote the production, sale and use of superior ornamental plants. For information on other Georgia Gold Medal Winners visit www.georgiagoldmedalplants.org. DECIDUOUS SHRUB Drift® Roses Rosa varieties Sun Zones 4-10 familiar but the glossy evergreen leaves are quite different from our native dogwood. Empress of China® will brighten any shade garden each spring. Later, red fruits stand out against glossy green leaves and feed songbirds. This tree matures at 15-18’ high and 13-15’ wide and is best located where it gets morning sun and afternoon shade. It can take the heat and humidity of Georgia, but do keep it out of the afternoon sun. NATIVE PLANT Drift® roses are a cross beween groundcover roses and miniature roses, offering the best of both: disease resistance and repeat blooming on lower-growing shrubs. This low, spreading rose from the same company that brought us Knockout® roses matures at about two feet tall and three feet wide. This makes them ideal for planting beds, containers, or on a slope in home landscapes and to add reliable color in commercial plantings. We feel that Apricot and Peach Drift® Roses have proven to be the showiest, most compact, and toughest of this series for Georgia, but blooms are also available in pink, coral, red, and pale yellow that turns to white. There can be different colors for buds, new blooms and aged blooms on the same plant at the same time, creating a kaleidoscope effect. The foliage is glossy green. The flowers are abundant and season-long, with the heaviest blooms in spring and fall and sporadic blooms throughout the summer. Cutting off spent blooms can encourage more blooming and stronger branching. For best display and plant form, cut these shrubs back right before they leaf out in spring. Roses do like regular watering, but must have good drainage. Spraying with chemicals to fight off blackspot is not necessary, but you do need to spray with repellent if deer visit your garden. EVERGREEN TREE Empress of China Dogwood Cornus angustata ‘Elsbry’ PP 14,537 Shade to part shade Zones 6-9 Dwarf Oakleaf Hydrangeas Hydrangea quercifolia Shade to part shade Zones 6-9 Our native oakleaf hydrangea offers four seasons of interest: large leaves, summer blooms, red fall foliage, and interesting winter bark, which is why it was one of the first Georgia Gold Medal winners. Now there are more compact forms of this deciduous, bold, easy-to-grow shrub that fit easily into home landscapes, yet retain the remarkably large blooms and leaves. “Ruby Slippers, with deeper fall coloring, and Munchkin, with the smallest stature, are our favorites” reports Gene Griffith of Wilkerson Mill Farms in Chattahoochee Hills, GA. ‘Munchkin’ matures at three feet tall by four feet wide. ‘Ruby Slippers’ matures at three and a half feet tall and five feet wide, with showy, upright blooms that can be nine inches long and transition from cream to pink to ruby. ‘Peewee’ is slightly larger, at four feet tall and wide and creamy blooms. Oakleaf hydrangeas can take the dry shade under a tree better than other hydrangeas. If they are planted in an irrigated area, plant high to avoid overwatering. Pruning is not necessary, but if you do, then it is best to prune them in late summer after the blooms fade. Oakleaf hydrangeas would look great at a woodland edge or mixed with evergreen azaleas. Take home a Gold Medal Plant . . . and take home a winner! The Georgia Gold Medal program is based at the State Botanical Garden of Georgia. This small, graceful tree is a prolific bloomer in May and June, when long-lasting cream blooms seem to overwhelm the bright green foliage and turn the tree into an early summer snowdrift. The 1½” four-petal blooms will look Shelly Prescott Chairman, Georgia Gold Medal Committee The State Botanical Garden of Georgia 706-369-5884 [email protected] DECIDUOUS SHRUB Drift® Roses Rosa varieties Sun Zones 4-10 familiar but the glossy evergreen leaves are quite different from our native dogwood. Empress of China® will brighten any shade garden each spring. Later, red fruits stand out against glossy green leaves and feed songbirds. This tree matures at 15-18’ high and 13-15’ wide and is best located where it gets morning sun and afternoon shade. It can take the heat and humidity of Georgia, but do keep it out of the afternoon sun. NATIVE PLANT Drift® roses are a cross beween groundcover roses and miniature roses, offering the best of both: disease resistance and repeat blooming on lower-growing shrubs. This low, spreading rose from the same company that brought us Knockout® roses matures at about two feet tall and three feet wide. This makes them ideal for planting beds, containers, or on a slope in home landscapes and to add reliable color in commercial plantings. We feel that Apricot and Peach Drift® Roses have proven to be the showiest, most compact, and toughest of this series for Georgia, but blooms are also available in pink, coral, red, and pale yellow that turns to white. There can be different colors for buds, new blooms and aged blooms on the same plant at the same time, creating a kaleidoscope effect. The foliage is glossy green. The flowers are abundant and season-long, with the heaviest blooms in spring and fall and sporadic blooms throughout the summer. Cutting off spent blooms can encourage more blooming and stronger branching. For best display and plant form, cut these shrubs back right before they leaf out in spring. Roses do like regular watering, but must have good drainage. Spraying with chemicals to fight off blackspot is not necessary, but you do need to spray with repellent if deer visit your garden. EVERGREEN TREE Empress of China Dogwood Cornus angustata ‘Elsbry’ PP 14,537 Shade to part shade Zones 6-9 Dwarf Oakleaf Hydrangeas Hydrangea quercifolia Shade to part shade Zones 6-9 Our native oakleaf hydrangea offers four seasons of interest: large leaves, summer blooms, red fall foliage, and interesting winter bark, which is why it was one of the first Georgia Gold Medal winners. Now there are more compact forms of this deciduous, bold, easy-to-grow shrub that fit easily into home landscapes, yet retain the remarkably large blooms and leaves. “Ruby Slippers, with deeper fall coloring, and Munchkin, with the smallest stature, are our favorites” reports Gene Griffith of Wilkerson Mill Farms in Chattahoochee Hills, GA. ‘Munchkin’ matures at three feet tall by four feet wide. ‘Ruby Slippers’ matures at three and a half feet tall and five feet wide, with showy, upright blooms that can be nine inches long and transition from cream to pink to ruby. ‘Peewee’ is slightly larger, at four feet tall and wide and creamy blooms. Oakleaf hydrangeas can take the dry shade under a tree better than other hydrangeas. If they are planted in an irrigated area, plant high to avoid overwatering. Pruning is not necessary, but if you do, then it is best to prune them in late summer after the blooms fade. Oakleaf hydrangeas would look great at a woodland edge or mixed with evergreen azaleas. Take home a Gold Medal Plant . . . and take home a winner! The Georgia Gold Medal program is based at the State Botanical Garden of Georgia. This small, graceful tree is a prolific bloomer in May and June, when long-lasting cream blooms seem to overwhelm the bright green foliage and turn the tree into an early summer snowdrift. The 1½” four-petal blooms will look Shelly Prescott Chairman, Georgia Gold Medal Committee The State Botanical Garden of Georgia 706-369-5884 [email protected]