Piedmont Azalea (R. canescens) at Callaway Gardens Early flowering Piedmont azalea (Rhododendron canescens) is one of the most common native deciduous azaleas in the southeastern U.S. It is frequently confused for pinxterbloom azalea (R. periclymenoides) which blooms 3-4 weeks later. Piedmont azalea is hardy in USDA hardiness zones 6 to 9. Piedmont azalea reaches a mature height between […]
Archive for the ‘Pruning’ Category
Contorted Filbert Offers Great Fall And Winter Interest
Contorted filbert (Corylus avellana ‘Contorta’), aka Harry Lauder’s walking stick, is an 8-10 foot tall shrub. It grows in average well-drained acidic or mildly alkaline soil and thrives either in full or partial (6 hours) sunlight. Contorted filbert is usually sold in a grafted form. It is also called corkscrew hazelnut because most branches, twigs and leaves display […]
Powis Castle Artemisia Is Exceptional
Most artemisias (aka “wormwood”) can not cope with the summer heat and humidity in the mid-South. Their silvery foliage tends to burn out (some say “melt out”) in mid to late summer. ‘Powis Castle’ artemisia is truly the exception. Powis Castle is likely a hybrid (Artemisia arborescens x A. absinthium Powis Castle is a bushy, woody-based perennial […]
Awaken Overwintering Tropical Plants
If you live in USDA zones 6 and 7, early March is usually the proper time to re-awaken containers of tender tropicals stored in your garage or moved in to join your house plants last fall. Likely, they’ve already begun to sprout. Specifically, angel trumpets (Brugmansia spp.), elephant ears (Colocasia spp. and Alocasia spp.), cannas […]
Re-Potting Indoor Plants
The golden rule for house plant care is to repot them once a year. Times of seasonal change signal the best opportunity for repotting most house plants. September starts a slowdown and March (late February) a re-awakening period for your house plants. Most, but not all plants, should be re-potted in one of these periods. Purchase a […]
Key Points Whether To Grow Peaches
Peaches grow in other places besides Georgia, USA. A decade long period of mild winters in the Southern Appalachian region (USDA zones 6 and 7) have increased gardener confidence about growing peaches. Peaches (Prunus persica) tend to flower in early spring when the threat of spring frosts is still high. In many years spring frost may kill 80% of […]
Don’t Crawl /Let’em Weep White Pine
In the beginning was a small weeping pine which wanted to crawl along the ground because it had no “legs”. The gardener came along and straightened up the leader and attached it to a tall pole. Straightening and staking continued for several years. Many years […]
Grow And Re-bloom Christmas Cactus
Holiday cacti, aka Thanksgiving cactus (Schlumbergera truncata) and Christmas cactus (S. x buckleyi ), are popular houseplants which grow (and re-bloom)for many years with good care. Christmas cactus has rounded (scalloped) stem segments while Thanksgiving cactus has 2-4 pointed teeth paired along each segment edge. The latter blooms 3-4 weeks earlier than Christmas cactus and […]
Foster Holly Has It All
Foster holly (Ilex x attenuata) is an old holly favorite which has not lost its sizzle. While many new holly cultivars have entered the landscape scene, do not assume that Foster holly is now passé. It is utilized in a number of landscape options in the Southern Appalachian region (USDA zones 6 and 7), including in containers in zones […]

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