Azaleas are rhododendrons, part of the Ericaceae or Heath family. are available with either pinkish-lavender or white flowers. David Beaulieu is a garden writer with nearly 20 years experience writing about landscaping and over 10 years experience working in nurseries. Rhododendron foliage is long, thick and leathery, while that of azaleas is thinner, smaller and more pliable. Rhododendrons and Azaleas are some of the easiest, most rewarding flowering shrubs you'll find for the sunny to partly shaded garden. The deciduous species are native to this country and tend to be hardy to Zone 4. The roots of these shallow-rooted plants need the protection that mulch gives against extremes of heat and cold (and against drying out). Opening from pink flower buds in mid to late spring, each soft pink trumpet-shaped flower, 2.5 in. Catawba rhododendron bushes can reach a height of 6 to 8 feet with a spread of 4 to 6 feet. across (5 cm), with long stamens that elegantly project themselves beyond the flowers. Compact and luminous, Rhododendron 'Goldkrone' is a lovely evergreen shrub producing eye-catching trusses of 16 to 18 light golden-yellow, trumpet-shaped flowers, up to 2.5 in. Azaleas and rhododendrons topped the list, followed by dogwoods, Japanese hollies, and hemlocks. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board. The foliage of small, rounded, aromatic, olive green leaves turns bronze-green in fall. Soil pH should be about 5.5; have your garden soil tested first before planting azaleas and rhododendrons. Regions suitable for growing rhododendrons and azaleas are those that have naturally acidic soils, adequate water availability, moderate humidity and winds … Then prune back tall, gangling limbs shooting out of the top of the bush. Encore azaleas were developed by Robert C. Buddy Lee, a plantsman from Independence, Louisiana. They contrast beautifully with the elliptic to obovate, 6 in. Cut that in half. Bright neon red-pink flowers engulf this compact semi-evergreen azalea in spring. Red oak is a fast grower, eventually reaching a height of 60 to 75 feet with a spread of 40 to 50 feet. Difference Between Azalea … long (6-7cm), is delicately splashed with golden freckles at the throat and emits a pleasant fragrance when inspected up close. Azaleas are smaller, and a more specific classification of plants, compared to the bigger or broader genus rhododendrons. The best mulches for azaleas and rhododendrons are acidic mulches, such as pine straw (although the idea that pine needles make the ground more acidic is now disputed). The difference is minute, but it's one that has troubled some of the giants in the field of botany. Well, the difference is minute and understandable since azalea plants and rhododendrons are related. One of the first and most beautiful spring-flowering native azaleas to bloom, Rhododendron vaseyi (Pink-Shell Azalea) is a deciduous, irregular rounded shrub which features trusses of 4 to 8 delicate pink to white, flat-faced flowers on leafless stems, with some prominent spotting in their throat. Most are evergreen but some are deciduous. They are not confined to the east but are found along the west coast as well as into the Rocky Mountain areas. Leaves tend to be thin and soft, often hairy, Evergreen Azaleas generally have 1 to 3 flowers at the end of each stem, Evergreen species have large, thick, leathery leaves, Some species may have small dots, called scales, on the undersides of their leaves, Flowers typically have 10 or more stamens, Flowers are often grouped in large clusters called "trusses". This is because all azaleas are rhododendrons, but not all rhododendrons are azaleas. In winter some stand out with large evergreen leaves. Grow it in zones 4 to 8. Rhododendrons or Azaleas have beautiful showy flowers. Their stamens elegantly protrude from the corolla and can be almost 3 times as long. Also, azalea flowers usually have five stamens, while the rhododendron flowers have ten. But what is the difference between Azaleas and Rhododendrons? The plants commonly called rhododendrons and azaleas are different enough, however, that they seldom cross-breed. An … All in all, the azaleas and rhododendron plants differ in the following areas: 1. The color of the flowers – azaleas have a much larger color palette than rhododendrons. Cookies, This site is protected by reCAPTCHA and the Google, Rhododendron calendulaceum (Flame Azalea), Rhododendron prunifolium (Plumleaf Azalea), Rhododendron schlippenbachii (Royal Azalea), Great Plant Combination Ideas Slightly fragrant, they blanket this midseason Knaphill hybrid in an exceptional floral display and contrast nicely with the handsome foliage of narrow green leaves which do not develop any appreciable fall color. The "stamens" of a flower are those thin stems sticking out (they're male flower parts and produce pollen). Our offerings of pale pink-bright red will make a drab shady spot a major focal point of your yard. Rhododendron x 'Haaga' (H-1) Sku #1801. The Stewartstonian azalea (Rhododendron x Gable Stewartstonian) has red flowers. Azaleas are rhododendrons, part of the Ericaceae or Heath family. Pruning the bushes later can interfere with the development of next year's buds. It may trouble you, too if you're the curious type because the wording can be confusing. Since azaleas and rhododendrons prefer some shade, choose a compatible shade tree to grow nearby. Be careful not to overfertilize. Ideas with Rhododendrons - Azaleas, Extend the Blooming Season of your Azaleas and Rhododendrons, Choosing Perfect Azaleas and Rhododendrons, Beautiful Azaleas and Rhododendrons for the Pacific Northwest Region, Beautiful Azaleas and Rhododendrons for the Midwest, A Spectacular Spring Border Idea with Brilliant Tulips and Cotinus, An Exquisite Spring Border Idea with Sawara Cypress, Tulips and Muscari, A Romantic Spring Garden Idea with Peonies, Irises and Flower Bulbs, An Eye-Catching Winter Border Idea with Colorful Twigs and Cyclamens, A Spectacular Spring Border Idea with Scarlet Tulips and Cotinus, Azaleas - Rhododendrons, Rhododendrons - Azaleas. In fall, its foliage turns from bright green to glowing orange and red, igniting the garden with color. Begin by pruning off dead or injured branches, which could cause disease and insect problems in the future. However, laurel's cultural needs are more finite --- moist, acidic soil rich in humus and partial shade. with Rhododendrons - Azaleas, Want Garden Inspiration? Rhodies and Azaleas have shallow root systems and prefer a thin layer of mulch, under 1". About Rhododendrons & Azaleas The flowers are tubular-, funnel-, or bell-shaped—and often fragrant. Ideal for small gardens, Rhododendron 'Mary Fleming' is an incredibly pretty evergreen shrub. Few plants can rival the spectacular floral displays of azaleas. wide (2.5 cm), tinged with soft apricot, appear at the branch tips, adding elegance and beauty to this early midseason Azalea. All evergreen species originally came from Asia and generally tend to be hardy only to Zone 6. Rhododendrons and azaleas are really quite distinctive and easy to tell apart, although they both happily grow in about the same conditions. Encore azaleas are a series of hybrids developed to be true multi-season bloomers-blooming in Spring, Summer, and Fall. Check these Great Plant Combination If your land lacks good drainage, try planting azaleas and rhododendrons in raised garden beds. wide (7 cm), with buds resembling candle flames (hence the common name). Azaleas and rhododendrons should be inspected regularly for insects and mites. Blooming in mid-spring, the blossoms appear before the foliage of shiny, dark green leaves emerge. Consequently, the taxonomy has been historically complex.. Other HGIC fact sheets (HGIC 1058, Azalea Planting, and HGIC 1059, Azalea Care) cover azaleas in detail. Displays are most effective when rhododendron bushes are massed together. rhododendron’s overall size is also smaller, as it reaches about 4 feet by 4 feet at maturity. It is usually better to be conservative about applying fertilizer so that you do not risk burning your plants. At first glance, rhododendrons and azaleas seem to be nearly the same plant. Extremely winter hardy, Rhododendron 'Girard's Fuchsia' is an outstanding, medium-sized semi-evergreen azalea producing masses of large, broadly funnel-shaped flowers, with slightly wavy edges, in the most vibrant fuchsia purple shades with deeper spotting in the throat and purplish-pink reverses. For swallowtail butterflies and hummingbirds azalea ( rhododendron x Gable Stewartstonian ) has salmon-pink flowers, that they seldom.. Azalea. `` when rhododendron bushes are massed together discern the difference is minute understandable! This website, you can have azaleas blooming at least eight months of the genus rhododendron includes the shrubs found... 8, these plants are deciduous view them on any device like most members of the rhododendron flowers ten! Rhododendrons in raised garden beds good time to fertilize azaleas and rhododendrons is right after the plants do not to! 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