Some display bronze or red-tinged new leaf growth. Deciduous azaleas can generally be lumped into groups according who bred them or where they were bred. Mollis Azaleas can also do well in a pot. It's a good idea to clean up effected leaves after they've fallen off in autumn, and add a light layer of mulch to cover spores that may be laying about on the ground. Hardy Z7. Many series (types) of hybrid deciduous azaleas were developed in the 1800's and new ones continue to be released. Most are green but some are frosty blue-green and both types display excellent orange, red & purple color before falling in autumn. Grows to 5’ x 4’. Native to Oregon and California coastal areas – Flower color varies on plants found in the wild, or in plants grown from seeds. Choose a Rating. Ghent hybrids were developed in Belgium around 1820 using American native Azalea species crossed with... Knaphill Hybrids. The Crystal Springs Rhododendron Garden near Reed College is a wonderful place to see deciduous rhododendrons in bloom in spring. Fast & … Grows to 4’ x 3-4’, Hardy to Z4, Native to Florida, Georgia, Alabama & Mississippi – Flower color varies on plants in the wild that grow from seedlings. The Pacific Northwest naturally has soil with low pH because of copious rain, but much of the area has heavy clay soil, so mixing compost to the bed before planting is advised. Deciduous and Evergreen Varieties. Review Rating. If the leaves are wet during the night mildew spreads, so allow plenty of time for leaves to dry before nightfall. Deciduous Hybrids. Hardy Zone 5. Hardy Z5. Growth is more compact than many other deciduous Azaleas, to about 3-5’ with a more dense shape. In mid to late spring, abundant funnel-shaped, rose pink flowers, 1-2 in. Where to Buy. Rich of a delightful fragrance, Rhododendron 'Daviesii' is a beautiful, compact, deciduous azalea producing elegant, funnel-shaped, creamy-white flowers with a yellow flare. Azalea 'Fragrant Star'. They can grow to 8 feet tall, and the flowers are larger and are more brightly colored than Ghent hybrids. aka Deciduous Azalea. Knapp Hill Nursery, Goldsworth Old Nursery and Exbury began to hybridize in the late 1800s using Rhododendron calendulaceum and Rhododendron arborescens (both native to eastern U.S.), Rhododendron occidentale (native to the Pacific Northwest), and Rhododendron molle (native to China). All Azaleas are members of the genus Rhododendron. She has written articles for the Oregon Landscape Contractors Association, chapters of the certification manual for the Oregon Association of Nurseries and translated master gardener materials into Spanish. Anise. Deciduous Azaleas make a dazzling display, particularly in yellows and oranges. The rhododendron is a wonderful addition to any shade garden. Locally Ivan and Robertha Arneson used those hybrids to breed new Azaleas into the 1990’s. Home | They bear fragrant sterile flowers and grow to 8 feet tall. The Pacific azalea (R. occidentale) is found all along the U.S. West Coast, and the color can range from white to pale pink. Blooms at the same time that leaves appear, a bit later than others. Azaleas one stamen per flower lobe - Rhododendrons have two stamens per lobe. 5050 SE Stark, Portland, OR 97215, Portland Nursery on Division It's best used as a preventative, and a good option in our view. Al… Evergreen or Deciduous. Azalea x 'Fragrant Star' Sku #4765 A fragrant, deciduous azalea named for its extremely aromatic, large, five-petaled, snowy white flowers that top the blue-green foliage on a strong, upright habit. Cultivated varieties are propagated from cuttings, so flower color is more predictable. Zone 5. Fall to early Spring is the best time to plant deciduous azaleas, as long as the ground is not frozen. Ghent hybrids were developed in Belgium around 1820 using American native Azalea species crossed with Rhododendron luteum. These azaleas may reach up to 12 or 15 feet tall, depending on conditions. Klondyke, Azalea, Deciduous. Leaves are green and plants grow to 4-8’ tall and wide with an open upright shape. Evergreen Species. Lori Norris has been writing professionally since 1998, specializing in horticulture. They are tough and fast growing plants typically reaching 125-150cm (4'-5') in 10 years. Problems: Enemy number one used to be powdery mildew, but now Portland has a pest called Azalea Lace Bug, which sucks chlorophyll from the inside of the foliage, leaving white or coppery stippling. Grows to 3’ x 4’. Autumn Chiffon Encore Azalea Shrub with Bicolor White and Magenta Pink Reblooming Flowers Deciduous Azalea Varieties Ghent Hybrids. ENCORE AZALEA 1 Gal. The two basic varieties of … The ‘Lights’ series is more cold tolerant than other Deciduous Azaleas, hardy to Zone 4. Red flower buds, deep orange flowers w/ gold tinge on the upper lobe. White, pale pink, yellow to orange or combinations of all of these colors are common. Cream, gold and pink double(many petals) flowers. Autumn colour in most varieties: red, orange, yellow shades as the leaves fall. Abelia. Arneson Medallion, Azalea, Deciduous. The Florida flame azalea (R. austrinum) has bright orange flowers with long stamens that extend far beyond the flower. Deciduous Species There are seventeen varieties of North American Native Azaleas: They are divided into three groups–white, pink, and orange-to-red. Grows to 4’ x 4’. White flowers with a strong yellow blotch on the upper petal. Avocet, Azalea, Deciduous. Generally speaking, evergreen Azaleas have a mounding growth habit while deciduous grow more upright. Evergreen Azaleas are in the subgenus Tsustusti. Treating Powdery Mildew: Most Deciduous Azaleas and Rhododendrons are subject to powdery mildew on leaves during the warmth of summer. Use our handy retailer locator to find a garden center that sells Encore Azaleas near you. Prized for its delightful fragrance and stunning floral display, Rhododendron prinophyllum (Roseshell Azalea) is a vigorous and showy deciduous Azalea. Phone: 503.231.5050 Azalea 'Cannon’s Double'. The Knaphill hybrids include the Exbury and the Slocock groups of azaleas. Plus they thrive in sunshine while their evergreen relatives burn. Most deciduous azaleas are hardy but asiatic species need more protection when young . Classes | Most are sweetly fragrant. Chemical warfare. Soil and Moisture: All Azaleas prefer rich, humusy, acidic soil that drains well. “Anthony Koster” has bright yellow flowers with a striking orange blotch, and “Christopher Wren” has orange buds that open yellow with a red flush.

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