Archive for the ‘Disease resistant’ Category

Catalpa Both Loved And Hated

Northern catalpa or Indian cigar tree (Catalpa speciosa) has enormous presence in any landscape setting (USDA hardiness zones 4-8). Finding a 70 – 80 foot tree with a massive trunk and thick sinuous limbs is not unusual from Ohio south thru Tennessee. In summer its huge heart –shaped, pale green leaves may be easily reach […]

Growing Blueberries

Both the highbush and rabbiteye blueberry (Vaccinium spp.) are hardy in the Southern Appalachian region (zone 6-b to 7-a). A hot summer is a nemesis for highbush and an extremely cold winter limits where you can grow rabbiteye within zone 6-b. Blueberry bushes grow 8-15-feet tall, requiring annual pruning. Its dark green foliage turns brilliant […]

Try ‘Fireworks’ Gomphrena in Your Garden

‘Fireworks’ gomphrena was a sensation in the University of Tennessee Gardens at both the Knoxville and Jackson locations in 2009. Gomphrena (globe amaranth) is a great summer annual that asks for very little care. It is heat, humidity and drought tolerant. Gomphrena hold up to the wind, blooming from day of planting in May (after […]

Lo and Behold ‘Blue Chip’ Buddleia Is Late Summer Gem

photo taken at JC Raulston Arboretum in Raleigh, NC in June 2009 Lo & Behold® ‘Blue Chip’ is a very dwarf butterfly bush (buddleia) for the summer garden. Its compact 3 x 4 foot height and width is an excellent choice planted in a garden bed or in a container on a sunny patio deck or patio. […]

Big Begonias

The Benary ‘Big Begonia’ series are a hit, “begonias on steroids”, some gardeners may say. Individual flowers are twice that of other bedding begonias. Colors are vivid with three cultivars currently available . ‘Big Rose Bronze Leaf’ is my personal favorite. (pictured) Begonias grow best in well drained, humus-rich garden soil. Provide tender -loving care […]

Baptisia – 2010 Perennial Plant of the Year

Blue false indigo(Baptisia australis) is a beautiful, long-lived, drought tolerant perennial with a robust growth habit and attractive steel blue foliage. In late May, the violet-blue flower spikes rise tall above sturdy 3-4 feet tall plants with steel bluish-green foliage. Baptisias grow best in full sun and in moist, well-drained soils. Feed or fertilize baptisias sparingly to prevent plants from flopping […]