Tropical Hibiscus(es) (Hibiscus rosa-sinensis) are a non-hardy group from southeast Asia. They require temperatures above 50°F year-round (USDA Plant Hardiness Zones 9–12) and will likely be injured at temps below 35°F. They are evergreen cousins of the very hardy deciduous shrub group —Althea (H. syriacus) and herbaceous perennial favorites like Rose Mallow (H. moscheutos) and […]
Archive for the ‘winter hardiness’ Category
Growing Tropical Hibiscus
Posted by Hugh on July 8th, 2025
Posted in acidic soil, Aphids, Attracting Butterflies, Bees and other pollinators, Container garden, Downy mildew, Evergreen, Heat Tolerance, Hibiscus rosa-sinensis, Hummingbird, Insect (Pest) Problems, Interior (house) Plants, Landscape ideas, mulching, Non-native, Planting tips, Powdery mildew, Propagation (Cuttings), Purchasing Plants, Repotting plants, Scale, Soil drainage, Southern Appalachian Region, Spring flowering, Summer flowering, Thrips, Tropical Plants (non-hardy), watering tips, White flies, Wind protection, winter hardiness, Winter Protection 
Comments Off on Growing Tropical HibiscusTall Growing Daylilies
Posted by Hugh on July 1st, 2025
Tall daylilies (Hemerocallis altissima) are a group of late season fragrant daylilies that are native to southwest China, singled out for their tall 5-6 feet floral spikes. Blooms open in late afternoon and are classified as “nocturnal bloomers”. In spring, this deciduous perennial starts out with 2-feet tall grass-like foliage. In summer they produce tall flower spikes 4 – […]
Posted in acidic soil, Bees and other pollinators, Daylilies, Deciduous, Drought tolerant, Flower Arranging, Fragrant, Hummingbird, Landscape ideas, mulching, Non-native, Perennials, Planting tips, Propagation (dividing), Purchasing Plants, Soil drainage, Southern Appalachian Region, Staking, Summer flowering, Summer heat tolerant, watering tips, winter hardiness Comments Off on Tall Growing DayliliesGauras For Summer Flower Power
Posted by Hugh on June 24th, 2025
Lots of TN, VA, and KY gardeners don’t know Gauras, a tough beautiful Texas native perennial that performs equally well in our area. After countless trips to Biltmore Estates and the NC Arboretum in Asheville, I have gained an appreciation for its long summer blooming habit. Gaura (Oenothera lindheimeri) is a low-maintenance perennial native to […]
Posted in acidic soil, alkaline soil, Aphids, Bees and other pollinators, Butterflies, Deciduous, Disease resistant, Drought tolerant, Fertilizing plants, Flower Arranging, Gaura, Landscape ideas, mulching, Native Plant, Native Plant, Perennials, Planting tips, Powdery mildew, Propagation (Cuttings), Propagation (dividing), Pruning, Purchasing Plants, Rust diseases, Soil drainage, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, watering tips, White flies, winter hardiness Comments Off on Gauras For Summer Flower PowerFertile Lacecap Smooth Hydrangeas
Posted by Hugh on June 18th, 2025
Smooth hydrangea or wild hydrangea (Hydrangea arborescens) is an open widely branched deciduous shrub that typically grows to 3-6 feet. Tree forms frequently grow to 10-20 feet and higher over 25 years or more. This U.S. native hydrangea is indigenous from New York to Florida and west to Iowa, Missouri, Oklahoma and Louisiana. (USDA hardiness […]
Posted in acidic soil, Attracting birds, Bees and other pollinators, Deciduous, Disease resistant, Disease resistant, Flower arrangments, Hydrangea, Hydrangea arborescens, Landscape ideas, mulching, Native Plant, Planting tips, Propagation (Cuttings), Propagation (layering), Pruning, Purchasing Plants, Rabbit/deer Protection, Soil drainage, watering tips, Wildlife attractant, Winter Garden Interest, winter hardiness Comments Off on Fertile Lacecap Smooth HydrangeasTall Stewartia
Posted by Hugh on June 10th, 2025
Tall Stewartia (Stewartia monadelpha) is a deciduous flowering shrub or multi-trunked small tree that grows 20-25 feet tall with a pyramidal framework when young. As the tree ages, horizontal branches open up more. Tall Stewartia is a native of Japan and is indigenous to cool mountain forests. Stewartias are members of the Theaceae botanical family which include […]
Posted in acidic soil, Attracting birds, Bees and other pollinators, Deciduous, Disease resistant, Drought tolerant, Landscape ideas, mulching, Non-native, Planting tips, Propagation (Cuttings), Propagation (Seed), Purchasing Plants, Small landscape tree, Soil drainage, Southern Appalachian Region, Spring flowering, Stewartia monadelpha, Street tree, Summer flowering, Summer heat tolerant, Tall stewartia, Trees & Shrubs, watering tips, Winter bark, Winter Garden Interest, winter hardiness Comments Off on Tall StewartiaVincas/Annual Periwinkle Thrive In Hot Summer Gardens
Posted by Hugh on May 26th, 2025
Annual vinca or periwinkle (Catharanthus roseus), aka Madagascar vincas, is a summer flowering annual popular in Southern and Midwest gardens (USDA hardiness zones 9-11). Before setting out spring transplants, wait until soils have warmed up and all threats of frost have passed. The arrival of summer heat and humidity is when vincas bloom heaviest. Vincas […]
Posted in acidic soil, Annuals, Attracting Butterflies, Bees and other pollinators, Catharanthus (Vinca), Container garden, Disease resistant, Disease resistant, Fall Garden Interest, Fertilizing plants, Flower Arranging, Flowers, Fruits poisonous, Landscape ideas, mulching, Non-native, Planting tips, Poisonous or toxic, Powdery mildew, Propagation (Seed), Purchasing Plants, Slugs, Soil drainage, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, watering tips, winter hardiness Comments Off on Vincas/Annual Periwinkle Thrive In Hot Summer GardensWild Indigo (Hybrid Baptisias)
Posted by Hugh on May 19th, 2025
Wild indigo, false indigo, or Baptisia (Baptisia spp.) is a long-lived U.S. native perennial (USDA hardiness zones 4-9). Plants are deeply tap-rooted and will reward you for many years of multi-seasonal beauty. They’re sometimes mistaken for Carolina lupine (Thermopsis caroliniana). Modern day cultivars are hybrids of 8 Baptisia species. Top four species are purple (B. australis), lavender […]
Posted in acidic soil, Attracting birds, Attracting Butterflies, Baptisia (wild indigo), Bees and other pollinators, Breeding Plants, Deciduous, Deer resistant, Disease resistant, Drought tolerant, Flower arrangments, Heat Tolerance, Landscape ideas, mulching, Native Plant, Native Plant, Ornamental fruit, Perennials, Planting tips, Propagation (Cuttings), Propagation (Seed), Purchasing Plants, Soil drainage, Southern Appalachian Region, Spring flowering, Summer heat tolerant, winter hardiness Comments Off on Wild Indigo (Hybrid Baptisias)Growing Ajuga
Posted by Hugh on May 12th, 2025
If you’re looking for an attractive perennial groundcover to quickly fill in small or large patches in your garden, you can’t go wrong with ajuga (Ajuga reptans), also called as carpet bugleweed. This creeping evergreen plant spreads quickly and thickly. Plant it on moderate slopes for erosion control. A vigorous clump should smother out weeds […]
Posted in Bees and other pollinators, Bugleweed (Ajuga), Evergreen, Fertilizing plants, Ground cover, Hummingbird, Landscape ideas, Light requirement, Non-native, Perennials, Planting tips, Propagation (dividing), Purchasing Plants, rabbit damage, Shade Gardening, Soil drainage, Southern Appalachian Region, Spring flowering, Summer heat tolerant, Trees & Shrubs, watering tips, winter hardiness Comments Off on Growing AjugaHardy Begonias
Posted by Hugh on May 8th, 2025
Hardy begonia (Begonia grandis) is an herbaceous perennial flowering plant native to Southern China, Japan, and Malaysia. It is a member of the Begonia (Begoniaceae) family (USDA hardiness zones 6-9). From summer into early fall, hardy begonia displays loose arching clusters of bright pink fragrant blooms. It is monoecious, e.g. both male and female flowers are […]
Posted in acidic soil, Attracting birds, Autumn flowering, Bees and other pollinators, Begonia, Container garden, Deciduous, Disease resistant, Ground cover, Hardy begonia (B. grandis), Hummingbird, Landscape ideas, mulching, Native Plant, Perennials, Planting tips, Powdery mildew, Propagation (dividing), Propagation (Seed), Purchasing Plants, Shade Gardening, Slugs, Soil drainage, Southern Appalachian Region, Summer flowering, Summer heat tolerant, watering tips, winter hardiness, Winter Protection Comments Off on Hardy BegoniasChinese Pistache – Great Yard / Street Tree
Posted by Hugh on May 1st, 2025
Chinese pistache tree (Pistachia chinensis) is a small to medium size 25–40-foot landscape tree, an ideal size for a yard or street tree. Chinese pistache is native to China, Taiwan and the Philippines (USDA hardiness zones 6-9). It is related to the edible pistache nut tree (Pistachia vera). (Botanical family: Anacardiaceae). Foliage consists of pinnate compound, […]
Posted in acidic soil, alkaline soil, Attracting birds, Bees and other pollinators, Chinese pistache (Pistacia), Deciduous, Deer resistant, Dioecious, Disease resistant, Drought tolerant, Heat Tolerance, Landscape ideas, Medium sized Tree, mulching, Non-native, Propagation (Cuttings), Propagation(grafting), Pruning, Small landscape tree, Soil drainage, Southern Appalachian Region, Spring flowering, Street tree, Summer heat tolerant, Trees & Shrubs, winter hardiness Comments Off on Chinese Pistache – Great Yard / Street Tree
