Mexican Sycamore (Platanus mexicana) is a fast growing deciduous tree hardy in Northeast Mexico (USDA hardiness zones 7 -10) where it inhabits soils that are semi-arid and subject to periodic flooding. Summer leaves are medium-sized, only 8-inches wide. When leaves fall away in autumn its beautiful chalky white bark is a winter asset. The bark […]
Archive for the ‘acidify soil’ Category
ShiShi Gashira Camellia So Far Holding Up to Zone 6-b Winters
Camellias bloom at a time when most trees and shrubs are not flowering. Growing them is no longer a dream for gardeners who do not live in the deep South. A number of “designated zone 6 hardy” cultivars prosper in the Southern Appalachian region (USDA hardiness zones 6 and 7). ‘ShiShi Gashira’ camellia (Camellia hiemalis) […]
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, […]
More Winter Hardy Encore Azaleas Now Available
For spring 2013, 22 of 32 Encore™ Azalea varieties are cold hardy in the Southern Appalachian region (USDA hardiness zones 6 and 7). Thirteen (13) varieties are reliably cold hardy throughout Zone 6-a&b. They are: Autumn Amethyst, Autumn Carnation, Autumn Cheer, Autumn Jewel , Autumn Lilac, Autumn Lily, Autumn Royalty, Autumn Ruby, Autumn Sangria, Autumn […]
Fountain Grasses Are Summer Sizzlers
Purple Pennisetum Grass in Hot Parking Lot Fountain grass (Pennisetum setaceum ) is a warm season grass native to Northern Africa (USDA zones 8-10). It is a dense clump-forming grass with several topnotch cultivars. Most popular are purple fountain grasses (varieties ‘Purpureum’ and ‘Rubrum’) for their heat resistant dark reddish purple foliage. The pink to […]
The Right Rhododendron for the Right Location
Rhododendrons (Rhododendron catawbiense) were born in the cool of the North Carolina and Tennessee mountains. Hundreds of lovely hybrids have been bred by dedicated plantsmen. Winter hardiness is rarely an issue, but rhododendrons are challenged by summer heat and disease problems in the Southern Appalachian region (USDA hardiness zones 6 and 7). Your most important decision is […]

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