Archive for the ‘Spring flowering’ Category

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 […]

Chinese (Kousa) Dogwood

              Chinese dogwood, aka kousa dogwood, (Cornus kousa) is a small 25 to 35 foot flowering tree (USDA hardiness zones 5-9). It grows in either full or partial sunlight (4-hours sunlight minimum). Depending where you garden, kousa dogwood begins blooming from late April or in May, almost two weeks after our native […]

‘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 […]

Summer Blooming ‘Little Lemon’ Goldenrod

  Goldenrods are members of the aster family (Asteraceae); approximately 100 species of goldenrods are native to North America. Across most of the Eastern and Midwestern U.S., goldenrods are frequently spotted growing in moist soils in open farm fields, in ditches, and along edges of streams. The golden yellow blooms attract countless bees, butterflies and other […]

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 […]

Growing Trilliums

                Trilliums (Trillium spp.) are the beloved native wildflower around the world. Many species are native to the U.S. Five popular U.S. species are great white trillium (T. grandiflorum), yellow trillium (T. luteum), prairie trillium (T. recurvatum), drooping trillium (T. flexipes), and sweet Betsy trillium (T. cuneatum). For 8 months and more, trilliums are […]

Slender Deutzia Is Versatile Landscape Shrub

                Most gardeners have never heard of deutzias (Deutzia spp.) which is very unfortunate. There are many species of deutzias. They bloom in spring and grow into many shapes and sizes. Slender Deutzia (Deutzia gracilis) is a small densely branched deciduous shrub with upright to slightly arching branching (USDA zones 5-8). […]

Bedding Geraniums Excel In Cool Weather

                Over the past decade, the zonal or bedding class of geraniums (Pelargonium x hortorum) have become summer favorites in northern gardens (USDA hardiness zones 3-7). Geraniums thrive in cool weather, but are also widely planted in zones 9-10 gardens where winter temperatures are moderate. Increasing numbers of colorful varieties beautify flower beds and container gardens. Leaves are […]

Carolina Allspice Sweetshrub

Carolina allspice sweetshrub (Calycanthus floridus), aka strawberry bush, bubby bush, sweet Betsy, et al., is a trouble-free medium size spring flowering shrub. This dense rounded deciduous shrub is native to Eastern North America (USDA hardiness zones 4-8). As its common name hints, flowers emit a sweet fruity fragrance. Intensity of floral fragrance is highly variable […]