Archive for the ‘Heat Tolerance’ Category

Growing Pomegranates

Pomegranate trees (Punica granatum) cherished for their delicious fruits and easy maintenance in warm climates. These trees, native to the Middle East (Iran, Turkmenistan, Afghanistan, Pakistan, and northern India), take about 3-6 years to begin producing their unique edible red fruits, which are filled with sweet, edible seeds. Juice from the fruits is sweetly delicious […]

Update On Perennial Ironweeds

U.S. native ironweeds (Vernonia spp.) develop a broad visual swath from the mid-Atlantic to the Midwest and from Minnesota south to Texas. Vernonia spp. is in the aster or daisy family (Asteraceae). Their abundant purple-hued flowers brighten the autumn landscape from late summer into autumn. Ironweeds serve as an important food source for pollinators. Scores […]

Gold And Silver Chrysanthemums

Gold and Silver chrysanthemum (Ajania pacifica) is a shrubby herbaceous flowering perennial in the aster family (Asteraceae). This groundcover is native to central and eastern Asia. It is a mound-forming, rhizomatous perennial that is grown for its attractive variegated foliage from spring thru autumn. This groundcover is used seen more in Southeast gardens. Its dense […]

Discovering Native Swamp Titi Tree

Black Titi (Cyrilla racemiflora), aka Swamp cyrilla is an evergreen, semi-evergreen or tardily deciduous tree that is native to Southeastern U.S. and indigenous in coastal areas from Virginia south into Texas. (USDA hardiness zones 5-11). Young plants are shrubby but eventually develop into a small tree with contorted stems, smooth, cinnamon-colored young bark and flaky mature […]

Alternative Choices For Bradford Pears

A number of U.S. states have designated the Bradford Pear (Pyrus calleryana) as an invasive tree species. This once popular small to medium-sized tree blooms in mid- to late-March. Introduced by the USDA in the 1960’s, following extensive 40+ year breeding trials, it became extremely popular across the country. Note that Callery pear is actually […]

‘Axminster Gold’ Comfrey

Comfrey (Symphytum officinale) is an aggressive grower and herbal member of the Borage family (Boraginaceae). For several centuries it has been grown for its medicinal herbal value with purported healing properties for treating joint pains and wounds. Leaves are poisonous if ingested and can cause skin irritation. Plant grows up to 5 feet tall and […]

Eastern Prickly Pear Cactus

Prickly pears are a subgroup of Opuntia, identified by their wide, flat, branching pads. They are also called nopal cactus or paddle cactus. Most prickly pear plants are found in warm, dry climates like the Southwestern U.S., although there are some cold-hardy species such as the Eastern prickly pear (O. humifusa). (USDA hardiness zones 4-9). Prickly […]

Scarlet Rose Mallow

Swamp hibiscus (Hibiscus coccineus), aka scarlet rose mallow, is a hardy perennial plant that grows in swamps, marches and roadside ditches in the Southeastern U.S. (USDA hardiness zones 5-9). It can grow 6 to 8 feet tall and 2 to 3 feet wide.  The 5- to 6-inch-long palmate leaves are 3 – 7 lobes and have jagged […]

Growing Tropical Hibiscus

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 […]

Wild Indigo (Hybrid Baptisias)

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 […]