Coreopsis (Coreopsis spp.) are flowering perennials (and annuals) native to the eastern U.S. In 2016, MT Cuba Center* in Greenville, Delaware reported on the overall garden performance of 13 species and related cultivars and hybrids in the Mid-Atlantic region. Over a period of 3 years, the MT Cuba staff evaluated habit, floral display, disease resistance, […]
Archive for the ‘acidify soil’ Category
Tips On Growing Azaleas
Evergreen azaleas (Rhododendron spp.) are actually small-flowered rhododendrons. Depending on where you garden, azaleas enjoy a long bloom period from late March (zone 8) to June (zone 4) in the U.S. Many cultivars bloom for two weeks or more. Fall blooming types like Encore® and Bloom-a thon® series are also available. Azaleas have shallow root systems […]
Changing Bigleaf Hydrangea Flower Color
Bigleaf hydrangeas (Hydrangea macrophylla), aka “hortensia” hydrangeas, bear pink flowers in low acidic and alkaline soil and blue flowers in mildly acidic soil. Some tips about regulating soil pH and flower color in bigleaf hydrangeas follows. First, a short review about soil pH. Soil pH measures soil […]
Growing Orchids Is A Great Hobby
At one time growing orchids was an elitist hobby for the very rich in our society. Orchids were expensive to purchase. Today, local greenhouses and garden centers sell orchids at affordable prices. Moth (Phalaenopsis) and lady slipper orchids (Paphiopedilum) are the simplest to grow. Here are some easy tips to […]
Vanilla Strawberry™ Hydrangea
Vanilla Strawberry™ hydrangea (Hydrangea paniculata) is a new peegee hydrangea selection introduced from France and it is really catching on with U.S. gardeners (USDA hardiness zones 4-9). This exceptionally cold hardy hydrangea blooms from late June thru early September. Blooms are enormous and stand upright. Following a heavy summer shower, saturated floral trusses temporarily bow down under their sheer weight, but gradually recover. Flower color […]
All About Mulches
Mulches aid in retaining soil moisture and reducing weeding chores. Over the years organically-based mulches gradually improve garden soils. Organic mulches are basically recycled bark, branches, twigs and leaves (including needles). Frequently they are organic by-products from the logging industry. Grass clippings and straw are also mulch sources. Hay is usually full […]
Avoiding Crape Myrtle Hardiness Problems
Late summer (September 1st) is your deadline to plant crape myrtles (Lagerstroemia spp.) in USDA hardiness zone 6. Your primary objective should be to grow deep plant roots. Crape myrtles are classified as perennials in northerly areas of zone 6. In many years their woody branches die back after a cruel cold winter. The hardy […]
Four Old Fashioned Hostas Continue To Delight
During my annual summer travel to public gardens around the U.S., several clumps of old-timey hostas that were popular in the 1960’s and ’70’s caught my eye. These hosta beauties still own their garden place. Here are listed only four, but there are so many more. ‘Gold Standard’is an old-time favorite. In August multiple pink-lavender […]