Archive for the ‘Heat Tolerance’ Category

Dependable Conifer Trees For Southeast U.S. Landscapes

Arizona cypress (Cupressus arizonica var. glabra) is a southwestern U.S. conifer tree that is often underplanted. Soil drainage is an absolute must! Growth rate is moderate (15 feet high after 10 years) and eventually will reach 30-50 feet at maturity. (zones 7-9). I have seen multi-year specimens thriving in zone 6b. Deodar cedar (Cedrus deodara) is […]

Some Conifers Don’t Like Summer Heat And Clay Soils

Most conifers are best grown in deep, moist, well-drained, acidic loamy soils and in full sun. In the deep South evergreen conifers are challenged by warm soils, poor soil drainage, and humidity. Humidity increases their susceptibility to diseases. Once established they are drought tolerant, but most fail in poorly drained wet soils. Many pine species […]

Zone 6 Hardy Camellias

Once upon a time, across the Southern U.S., camellias were highly prized for their showy flowers in the fall-winter landscape. What has changed is that gardeners in the Middle Atlantic and mid-Southern states can now grow them equally well. Camellias are evergreen woody shrubs native to Asia. Currently, after decades of inter-breeding with species from […]

Zone 6 Hardy Camellias

In the Southern U.S., camellias are treasured for their showy flowers in the fall-winter landscape. Their glossy evergreen foliage looks great all year long. Hardy varieties are now available for zone 6 northern gardens (-10 to 0 °F). This means that gardeners in Tennessee, Kentucky, Virginia and most coastal cities in Eastern U.S. can grow […]

12 Woody Trees And Shrubs Perfect For Containers

Japanese maples, hydrangeas, hollies, boxwoods, camellias, and dwarf conifers are popular favorites to grow in pots. Often, they’re part of mixed plantings coordinated with colorful annual and perennial flowers. If and when these outdoor trees and shrubs outgrow their pots, you have one of three options available: 1.) move plants into a bigger pot, 2.) […]

‘Sun King’ Aralia Named 2020 Perennial Plant Of The Year

Plants with golden foliage can brighten up almost any drab garden patch. Sun King golden aralia (Aralia cordata ‘Sun King’) is no exception, hardy in USDA hardiness zones 3-9. It is also known as Japanese spikenard and mountain asparagus. Under ideal conditions this thornless, rhizomatous, herbaceous perennial grows rapidly to 3-5 feet tall and as […]

Trees That Age Gracefully

Trees transition from youth (seedling), middle age and old age (maturity) before requiring a chain saw and replacing. Some age gracefully, actually appreciating in $$ value. Many ginkgo, hickory, beeches, sugar maples, and Southern magnolias live 100 years plus. Oaks such as such as white (Q. alba) and live oak (Q. virginiana) mature in majesty  over several hundred years.   It’s […]

Anise (Illicium) Shrubs Coming To Mid-South Gardens

There is lots of interest in this shrub group. Anise shrubs (Illicium spp.) are fast growing,  evergreen shrubs (USDA zones 7 to 10). They exhibit a multi-stemmed, upright, compact growth habit. The green foliage of Florida anise (I. floridanum) is quite attractive and aromatic, smelling similar to anise spice when crushed. Their shiny, leathery leaves are […]

Short Forms Of Cryptomerias

Japanese cedar, aka Sugi or Cryptomeria, (Cryptomeria japonica) is the national tree of Japan and also flourishes in  China (USDA hardiness zones 5 to 8).  It is one of the most variable conifers ranging from very dwarf rounded shrubs to large tree forms with golden or contorted leaves. It tolerates hot humid summers and prefers […]

Zone 6 Hardy Camellias – Plant Now!

More and more people gardening in zones 6 and 7 have discovered that they can successfully grow camellias. Once considered an exclusively Southern plant, many camellia varieties are very cold hardy where winter temps drop to 0 to 5°F. Their floral buds burst open with bright whites, pink and red shades, and spotted color blends. […]