Extremely cold winters of 2013-14 and 2014-15 have damaged many cultivars of crape myrtles (Lagerstroemia x indica). Don’t assume that new crape myrtles are hardy; many are rated hardy only to zone 7. Several of the U.S. National Arboretum cultivars are hardy in zone 6. Gardeners living in the […]
Archive for the ‘Fertilizing plants’ Category
Modern Day Clematis Bloom Freely
The old-fashioned clematis(es) in grandma’s garden bloomed one time in spring or summer and bore huge showy flowers (USDA hardiness zones 3-7). Vines took up lots of space in the garden. Old cultivars grew 8-9 feet tall; many bore one single large flower at the end of each growing […]
Flame Azalea Favorite Among Native Azaleas
Flame azalea (R. calendulaceum) is a spectacular sight when it flowers in early May through June (depending on location). The mountainsides across the Appalachian region seem to be afire with their yellow, orange or red flowers (USDA hardiness zones 5 thru 8). Its native habitat is in open, dry sites in woods, on the hillsides, and […]
Red Abyssinian Banana For Tropical Looking Landscapes
Red Abyssinian banana (Ensete maurelii ‘Red Abyssinian’) is a tropical banana from high in the mountains of Ethiopia in eastern Africa. Its enormous reddish to purplish foliage and red – burgundy trunk adds a tropical presence to any garden. Compared to hardier banana genus Musa, Ensete does not produce root suckers […]
‘Short and Sassy’ Helenium (Sneezeweed)
Sneezeweed (Helenium autumnale) is a bee/butterfly friendly perennial that blooms heavily from mid-summer into early fall. Helenium (“sneezeweed”) does not cause hayfever or irritate sinus passages. The genus Helenium is named for Helen of Troy. Its dried leaves were once crunched to make a snuff to promote sneezing. This tough prairie native thrives in full […]
Cosmos For Sunny Gardens
Cosmos, indigenous to Mexico and South America, are one of the easiest-to-grow flowering annuals. They start blooming in early summer and are at their best in late summer and early autumn. Two most popular species are Cosmos sulphureus and C. bipinnatus. Flower heads are composed of disc and ray flowers. Cosmos is a member of the aster […]
Fill Flower Gardens & Containers With Sweet Alyssums
Sweet alyssum (Lobularia maritima) is one of the easiest annuals to grow. A member of the mustard family (Brassicaeae), it is native in the Mediterranean region and the Canary and Azores Islands (AHS heat zones 3-8). Modern day cultivars possess exceptional heat, humidity, and drought tolerance in summer months once fully established. Alyssums may be utilized in mixed […]
Good News About Garden Impatiens
Gardeners no longer have to give up growing garden impatiens (Impatiens walleriana). No, the worldwide disease outbreak of downy mildew on garden impatiens is not over. But new disease resistant cultivars of impatiens are arriving at garden centers this spring. Two of the newest are: SunPatiens® Spreading Shell Pink and Bounce® Pink Flame (‘Balboufink’). […]
Many New Beebalm Cultivars Continue to Roll Out
Bee balms, aka bergamots or Oswego tea (Monarda spp.) are native to eastern North America (USDA hardiness zones 4-9). Plants are easy to grow, bloom beautifully, and multiply rapidly. They are treasured for their raging colored flowers and medicinal properties. Numerous bee pollinators as well as butterflies and hummingbirds favor the summer blooms. The native […]