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Late flowering azaleas and evergreen rhododendrons begin flowering this month and iris will continue. The doublefile viburnums are also very showy.
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Red buckeye, horsechetnut, and empress tree continue.
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Kousa dogwood, spireas, and ninebarks will also begin early in the month.
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Spiderworts, wild geraniums, and bluestar continue.
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They will be joined by columbine, coral bells and early flowering sages such as ‘Viola Klose.’
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Climbing hydrangeas, trumpet honeysuckle, and weigela are showy.
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Beautybushes will be covered with flowers and many clematis will be in bloom.
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Mountain bluet will be striking and the bleeding hearts charming.
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Violas and spring-flowering annuals perform well if the weather remains cool.
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There will still be several late flowering bulbs in the bulb gardens including flowering onions and Spanish bluebells.
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Peonies will be begin and continue through about the second week in May.
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Rhododendrons continue and are joined by deutzias, itea, and fringe tree.
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Styrax, bigleaf magnolia, and the alternate-leaved butterfly bush, three lesser known shrubs, come into flower mid-month.
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Don’t miss the sweet smelling mockoranges, the striking false indigo, and the bright yellow flag.
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Late in the month roses will be in full glory.
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Note the colorful leaves of the smoketree, the sweet-smelling flowers of lindens, and the very showy variegated foliage of the tricolor beech.
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Oakleaf hydranges, sweetbay magnolia, and the Japanese tree lilac are well worth searching out.
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Perennials that will add into the show with those found blooming early in the month will include bellflowers, catnips, and the many veronicas.
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Astilbes will be starting joined by the gorgeous Penstemon cobaea and long-blooming pincushion flower.
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Late in the month our summer annuals will be planted and will include vincas, petunias and many other tried and true as well as new varieties.
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Also late in the month some of our spectacular hydrangeas will be starting. Two lovely ones to take note of are ‘Nikko Blue’ and ‘Tokyo Delight.’
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