Archive for the ‘Disease resistant’ Category

Disease-free Shrub Rose Trial–The Winners Are…

Blushing Knockout™ Over the past 10 years, the world of roses has witnessed a revolution with the popularity of the Knockout™ series of roses in gardens across the U.S. Over the past 5 years the University of Tennessee has been testing shrub roses in Poplarville, MS and two Tennessee locations. Dr. Mark Windham and his research team have […]

Vitex ‘Shoal Creek’

Chastetree (Vitex agnus-castus) is an 8-10 foot deciduous shrub or 12-15 foot tall small tree (hardiness zone 6-b thru 8). Branching habit is dense and vase-shaped (upright). It blooms over most of the summer, from June thru late August. Its 12-18 inch long blue-violet flower spikes exude a slight herbal fragrance. ‘Shoal Creek’ is a […]

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. […]

Hardy Forms of Deodara Cedar

I am surprised by the increasing numbers of deodara cedars (Cedrus deodara) that are prospering in Zones 6-b and 7 gardens. Apparently, deodara cedars are much hardier than once thought. The buzz at a recent American Conifer Regional meeting is these varieties list here are worthy of planting: Tree forms: ‘Karl Fuchs’ ‘Shalimar’ ‘Eisregen’ ‘Eiswinter’ ‘Polar […]