Over the past 2-3 years marigolds are regaining their popularity. Marigolds are easy to grow and come in vibrant shades of yellows and oranges. Tall African type marigolds grow 24-42 inches tall and belong in garden beds. Intermediate (15-24 inch height) and dwarf French types (10-12 inch height) are suited for both bedding and container plantings. Plant marigolds in […]
Archive for the ‘Heat Tolerance’ Category
Hardy or Not– Grow Agapanthus
Lily-of-the-Nile (Agapanthus praecox orientalis) is native to South Africa (USDA Zones 8–11), and is not reliably hardy in the Southern Appalachian region (USDA zone 6 and 7). However, many gardeners are successfully growing it as a “tender perennial”. Agapanthus grows in an outdoor flower bed or in a container. The ball shaped light blue or white […]
Silverbell Tree Are Great Additions To Your Garden
Carolina silverbells (Halesia spp.) bloom as the last bracts of flowering dogwood (Cornus florida) have fallen. Clusters of white or pale pink bell-shaped flowers open along the branches. Flowers appear first and medium green leaves emerge a few days later. Silverbells vary tremendously in the wild. Some grow large shrub-like, or as small multi-trunked trees […]
‘Appalachian Spring’ Dogwood Highly Disease Resistant
This may be old news, but definitely worth repeating. Twenty five years ago a dreaded dogwood disease threatened to eliminate our beautiful spring flowering tree from our gardens. Appalachian Spring flowering dogwood (Cornus florida ‘Appalachian Spring’) was found at the Camp David Presidential Retreat atop Catoctin Mountain in Maryland. Currently, Appalachian Spring is the only dogwood cultivar […]
Something New to Grow – Esperanza, Yellow Bells
Esperanza or Yellow Bells (Tecoma stans) is a 6 foot tall perennial shrub that grows in South Texas and Mexico (USDA zones 8-10). Esperanza means “hope” and it is destine to become a popular flowering annual in more U.S. Southeastern gardens. It demands a well drained soil […]
Fall Color Calendar For Red Maple
Red maple (Acer rubrum) is commonly planted as a 40-60 feet tall street or shade tree (USDA hardiness zones 3-9). Tiny red flowers burst open early, often in early March throughout the Southern Appalachian region (USDA hardiness zones 6 and 7). Flowers give way to reddish double winged samaras. Its glossy dark green 3-5 lobed […]
Treat Colorful Caladiums As Tender Annuals
Caladiums at Yewdell Gardens in Crestwood, KY (near Louisville) Caladiums (Caladium bicolor) are tropical foliage plants which are grown as annuals. Caladiums brighten up shady to sunny spots. Their brightly colored foliage is either heart and lanced shaped in color combinations ranging from red, rose, pink, chartreuse, green, and white. Caladiums absolutely prefer a warm, […]
Early Blooming Cornelian Cherry In The March Garden
Cornelian cherry (Cornus mas) is a multi-stemmed, low-branched dogwood tree or shrub. It typically grows 20-25 feet tall and slightly less in overall width (USDA hardiness zones 4-7). Tiny, golden yellow flowers appear in late winter, around March 1st in my east Tennessee garden, and remain in bloom through most of the month despite cold […]
A Variegated Ornamental Grass Is ‘River Mist’ Sea Oats
River Mist Northern sea oats (Chasmanthium latifolium ‘River Mist’), formerly Uniola latifolia, is a recent plant introduction with striking green and white variegated foliage on slightly arching stems. River Mist grows shorter than the species, 30-36 inches tall and 24-36 inches wide. Northern sea oats is one of the more shade tolerant of the ornamental […]