Virginia sweetspire (Itea virginica) flowers in late spring with dark green, pest-free summer foliage that turns brilliant red in fall (USDA hardiness zones 5-9). It thrives in full sun to partial shade, and in moist mildly acidic soils. It is also highly drought tolerant once established. Fertilize […]
Archive for the ‘Pruning’ Category
Tips On Growing Delphiniums
Modern day delphiniums (Delphinium spp.), also called larkspurs, are the result of 2 centuries of complex breeding efforts in Europe and U.S. Delphiniums are short-lived perennials, at their best for 2-3 years. They’re most attuned to the cool temperate climes of the northern U.S. Delphiniums belong in the Buttercup (Ranunculaceae) family (USDA hardiness zones […]
Deadheading Rhododendron Flowers
Large-flowered rhododendrons (Rhododendron catawbiense) benefit from “deadheading”, the practice of removing the old spent flower heads. Deadheading encourages increased branching, which frequently results in more blooms the following spring. It also cleans up their scruffy appearance. Small-flowered types (including ‘PJM’, lepidote rhododendrons, and azaleas) do not benefit from deadheading and are mostly […]
Reviving A Severely Damaged Crape Myrtle In The Spring
Crape myrtles (Lagerstroemia indica and hybrid cultivars) are rated as hardy perennials and semi-hardy shrubs or trees in USDA zone 6 and parts of zone 7. Since the year 2000, an average of 1 out of 3 winters has killed some crape myrtles to the ground. By […]
‘Palibin’ Lilac A Good Choice For Small Landscapes
Dwarf Korean lilac (Syringa x meyeri ‘Palibin’) forms a dense multi-stemmed deciduous shrub, 4 to 5 feet high and 5 to 6 feet wide, with rounded top or canopy (USDA hardiness zones 3-7). It branches low to the ground. Flower buds form which are distinctively violet in color. In mid-spring this diminutive lilac is covered by billowy panicles of fragrant purple […]
Update: Prevention / Treatment Options For Rose Rosette Disease
Rose rosette is a devastating disease of most species of garden roses, including hybrid and shrub roses. Rose rosette disease has spread from the Rocky Mountains to the East Coast over several decades and is poised to obliterate the rose industry. To date, there is no known effective treatment. Rose rosette is caused by an […]
New Coreopsis Cultivars All The Rage
Threadleaf coreopsis (Coreopsis verticillata), also called tickseed, is a popular summer flowering perennial. Coreopsis are native to the U.S. and produces hundreds of pale-yellow blooms. Depending on cultivar, plant grows 12 to 18 inches tall and 2 feet wide. Some gardeners even plant old-time favorites like ‘Zagreb’ and ‘Moonbeam’ as annuals (USDA hardiness zones […]
What To Know About Flowering Vines
For some gardeners planting vines is not for the faint of heart. Vines need space, support, training, and for some – lots of pruning. Some vines don’t demand lots of room while others chew up lots of space. Small vines like clematis or annual morning glories (Ipomoea) may be grown in a large patio container for many years […]

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