Old fashioned gardenias or cape jasmines (Gardenia jasminoides) are reliably hardy in USDA zones 7-b and 8. Plants require immediate protection when the outdoor temperatures dip below 15 to 20 degrees. The new hardier cultivars are compact growers, 2-4 feet tall and 3-4 feet wide. ‘Frost Proof’, Crown Jewel™, and Heaven Scent™ are three promising […]
Archive for the ‘Summer flowering’ Category
New Hardier Gardenias
Posted by Hugh on June 18th, 2010
Posted in acidic soil, Fertilizing plants, Gardenia, Insect (Pest) Problems, Planting tips, Pruning, Soil drainage, Spring flowering, Summer flowering, Summer heat tolerant, Trees & Shrubs, watering tips 
Comments Off on New Hardier GardeniasVitex ‘Shoal Creek’
Posted by Hugh on June 9th, 2010
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 […]
Posted in acidic soil, Attracting Butterflies, Bees and other pollinators, Disease resistant, Drought tolerant, Flowering, Landscape ideas, Small landscape tree, Southern Appalachian Region, Summer flowering, Trees & Shrubs, Vitex (Chaste tree) Comments Off on Vitex ‘Shoal Creek’Try ‘Fireworks’ Gomphrena in Your Garden
Posted by Hugh on April 16th, 2010
‘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 […]
Posted in acidic soil, Bee Favorite, Butterflies, Disease resistant, Disease resistant, Drought tolerant, Flowers, Globe amaranth (Gomphrena), Summer flowering, Summer heat tolerant, watering tips Comments Off on Try ‘Fireworks’ Gomphrena in Your GardenLo and Behold ‘Blue Chip’ Buddleia Is Late Summer Gem
Posted by Hugh on March 21st, 2010
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. […]
Posted in acidic soil, Autumn flowering, Buddleia (Butterfly bush), Butterflies, compact shrub, Container growing, container shrub, Disease resistant, Disease resistant, Drought tolerant, Fertilizing plants, Fragrant, mulching, Planting tips, Pruning, Southern Appalachian Region, Summer flowering, Summer heat tolerant, Trees & Shrubs Comments Off on Lo and Behold ‘Blue Chip’ Buddleia Is Late Summer GemBest of Perennial Veronicas for Gardens
Posted by Hugh on March 17th, 2010
Chicago Botanic Garden (CBG) has published the results of a 10-year study of speedwells (Veronica and Veronicastrum) in its 33rd issue of Plant Evaluation Notes, “A Comparative Study of Veronica and Veronicastrum“. Seven speedwells received good-excellent ratings for their overall performance, including Veronica ‘Fairytale’, V. ‘Giles Van Hees’, V. austriaca ‘Ionian Skies’, V. longifolia ‘Blue […]
Posted in acidic soil, Fertilizing plants, Perennials, Propagation (Cuttings), Summer flowering, Summer heat tolerant, Veronica (speedwells), watering tips, winter hardiness Comments Off on Best of Perennial Veronicas for GardensBig Begonias
Posted by Hugh on January 4th, 2010
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 […]
Posted in Begonia, Disease resistant, Drought tolerant, Flowers, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, watering tips Comments Off on Big BegoniasPrincess Lilies — Hardy in Zone 6
Posted by Hugh on December 29th, 2009
Not all alstroemerias are alike. I have been enjoying my Princess lilies (alstroemeria hybrids from Holland) over the past 6 years. They have been surprisingly winter hardy in zone 6-b where I garden. Further south in zones 7 and 8, Princess lilies prefer part sun to partial shade. I grow’em on the east side of […]
Posted in acidic soil, Alstroemeria (Peruvian lily), Flowers, Heat Tolerance, mulching, Perennials, Planting tips, Southern Appalachian Region, Summer flowering, Summer heat tolerant, watering tips Comments Off on Princess Lilies — Hardy in Zone 6
