Archive for the ‘Summer flowering’ Category

Tips On Sowing Milkweed Seeds

              Milkweed (Asclepias tuberosa), aka butterfly weeds, are tuberous rooted perennials native to the Eastern and southern U.S. (USDA hardiness zones 3 to 9). It grows in dry/rocky open woodlands, prairies, farm fields, and along roadsides. A clump of milkweed plants grow 1- 3 feet tall and spread 1 ½ feet wide. Unlike other milkweeds […]

Avoid Crape Myrtle Woes In Winter

  It’s no secret that in many areas with cold winters (USDA hardiness zones 6-9), hardy crape myrtle cultivars are now available. In northern areas like eastern Maryland and northern VA, crape myrtles have been prospering for two decades and more. However, there is one rule regarding winter care — “Don’t Touch”. Hold off all pruning of crape […]

New ‘Black and Bloom’ Salvia Lovely Touch To Late Summer Garden

Blue anise sage (Salvia guaranitica) is native to central South America (USDA hardiness zones 7-10). It primarily utilized as a garden annual in the U.S., but is rated a tender perennial in protected locations with winter mulch cover in zone 6. Plants exhibit a shrubby, somewhat open habit with upright branching, to 3-5 feet tall as a perennial and 2 ½ […]

Should You Plant In Fall?

            Should you plant in the Fall? It depends what region you live in, what month in fall, and what species you’re planting. If you live in the mid-Atlantic, coastal New England, or Southeastern U.S., fall is an excellent time to set most hardy plants. Most (not all) trees, shrubs, perennials, […]

‘Victory’ Chosen Hosta Plant Of The Year For 2015

The Hosta Growers Association has selected ‘Victory’ the Hosta of the Year for 2015 (USDA Zones 3–9). ‘Victory’ is a large hosta cultivar with gold edged variegated leaves and an upright vase-shaped plant habit. Victory hosta is a sport of H. nigrescens ‘Elatior’, distinctive also for its beautiful, upright form. Plant develops into a broad 3 – […]

Mid-Summer Blooming ‘Happy Days’ Sunflower

The cheerful golden yellow flowers of Happy Days sunflower (Helianthus ‘Happy Days’) should brighten your garden during the waning days of summer (USDA hardiness zones 5-9). This perennial sunflower has a long 4 to 6 week blooming period. In its first season new plants grow 24-30 inches tall and almost as wide. In subsequent years, tack on an additional 12-18 inches in […]

‘Purple Dome’ Aster Reliable In The Late Summer Garden

    New England aster (Symphyotrichum novae-angliae) is indigenous to a wide geographic area that encompasses moist prairies, meadows, valleys and stream banks in most Eastern and midwest states as far south to New Mexico. ‘Purple Dome’ is a very popular dwarf cultivar introduced by Dr. Richard Lighty, former director of Mt. Cuba Center in Greenville, Delaware. […]

Crape Myrtles With Awesome Bark

  Many cultivars of crape myrtles are hybrids that combine the large, colorful flowers of common crape myrtle (L. indica) with the mildew-resistance and cold hardiness of Japanese crapemyrtle (L. faurei). Many U.S. National Arboretum hybrid releases excel with beautiful year-round ornamental bark. Among the tree forms are ‘Natchez’ (my favorite), ‘Apalachee’, ‘Lipan’, ‘Muskogee’, and Tuscarora’. Natchez possesses extraordinary cinnamon brown winter […]

Calamint: Tough Reliable Perennial Ground Cover

Calamint (Calamintha nepeta subsp. nepeta) is low mounding subshrub or perennial native to southern Europe; its primary use is as a low growing ground cover (USDA hardiness zones 4 to 8). It is a member of the Lamiaceae family. Foliage grows only 15-18 inches tall. The subspecies, var. nepeta, is the preferred choice because it produces more flowers per inflorescence. Calamint tolerates most soil […]

Purple Heart Tradescantia

              Purple Heart tradescantia (Setcreasea pallida  ‘Purple Heart’), formerly Tradescantia purpurea), is an annual trailing groundcover with purple stems and violet-purple foliage. This flowering vine is primarily grown for its vibrant foliage. Purple Heart is utilized in garden beds, large containers or hanging baskets. By summer’s end individual plants may grow 8-12 […]