Their leaves (called “fronds”) appear delicate, but maidenhair ferns (Adiantum spp.) are reliable long-lived perennials. Northern maidenhair (A. pedatum) thrives in most gardens within USDA zones 3-8, while the Southern counterpart, (A. capillus-veneris), predominates in warmer USDA 7-10. Unfortunately, planting of maidenhairs are not utilized in the Southern Appalachian gardens (USDA zones 6-8). Fronds average 18-24 inches in […]
Archive for the ‘Perennials’ Category
‘Fireworks’ Pennisetum
Fountain grasses are popular annual grasses that thrive in Southern Appalachian gardens (USDA zones 6 and 7). The new cultivar ‘Fireworks’ is totally spectacular. The mid-vein of the grass blade is burgundy red and edged in hot pink. Fireworks displays three seasons of awesome foliage color before dying off in the fall. Red plume foxtail flowers bloom […]
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 […]
Peruvian Lilies – A Gift Which Keeps On Giving
Peruvian lilies (Alstroemeria spp.), also called Lilies of the Nile), are not true lilies (Lilium spp.). Likely, you have purchased a bouquet of alstroemerias from the florist section of your local supermarket. In addition, many potted hybrid varieties have been introduced from Holland and elsewhere over the past decade. Turns out that some Peruvian lilies are perennials, winter hardy in the Southern Appalachian Region (USDA hardiness zones 6 […]
Turk’s Cap Lily for Your Summer Enjoyment
Turk’s cap lily (Lilium superbum) is native perennial started from bulbs. The strong single stem grows up to 6 feet tall. Leaves generally form in whorls of 3-9 along the stem. The lanceolate leaves are individually upwards of 7 inches longand 1 inch wide, and rather stiff to the touch. Upwards of 1-12 flowers nod downward from 4-8″ […]
Re-blooming Iris For Twice (and More) Flowering
Gardeners who desire more flowering from garden iris (Iris spp.) should be planting re-blooming types. Some cultivars may re-bloom up to three times in one growing season. The re-blooming trait is found both in bearded and beardless irises (I. germanica). Re-bloomers need to be well established for one year, sometimes two, to bloom multi-seasonly. Some […]
Complete Care of Tall Bearded Iris
Most gardeners plant tall bearded iris from late August through October to insure good root development before winter sets in. Spring planting is another option as iris may be purchased in containers. Bare root rhizomes need to soak overnight in water before planting. Bearded irises prefer a sunny location and a slightly acidic well-drained soil. […]
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 […]
Sacred Lily (Rohdea) Brings Good Fortune
Depending on where you garden, Sacred Lily (Rohdea japonica) is either an evergreen or herbaceous perennial groundcover. It is slow growing and prospers in a moist shady woodland environment. Small clumps of long, strap-like leaves emerge from an underground crown to about 15” in height. Foliage is comprised of 18 inch long strap- like leaves […]

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