Archive for the ‘Autumn flowering’ Category

Ice Plants (Delosperma)

Ice plants (Delosperma spp.) are perennial evergreen succulents from South Africa. Two species are most popular in U.S. gardens starting with hardy ice plant (D. cooperi) (zones 6b – 9) and yellow ice plant (D. nubigenum) (zone 4 – 10). There are also many hybrid cultivars sold at garden centers and on-line. North of zone […]

Tidy Up These Perennials After Blooming Is Finished

Deadheading, the practice of removing the old spent flowers from perennials, is a way to improve a garden’s appearance and reduce overcrowding. Secondarily, many (not all) will rebloom after deadheading. Not all perennials respond to deadheading by reblooming. Most daylilies (Hemerocallis x.), coralbells (Heuchera spp.), and hostas (Hosta spp.) are prime examples of perennials that do not […]

Five Reliable Summer – Early Fall Flowering Perennials

Planning a new perennial garden this summer?Include these five very dependable flowering perennials. All are low maintenance and are U.S. natives (USDA Zones 4–8). ‘Zagreb’ (Coreopsis verticillata) has a very uniform plant habit and finely dissected foliage. Plant grows only about 20 -24 inches tall, and is blanketed with bright yellow (gold) flowers coupled with […]

Four Very Different Annuals You Should Try

I asked three regional horticulturists to identify an under-planted drought tolerant annual. Here are four (4) that they recommended: Drumstick flower or “Billy Buttons” (Craspedia globosa) produces a golden-yellow display of spherical flowers that often reach the size of golf balls (USDA plant hardiness zones 8-11). The silvery-gray foliage reaches about 2 feet tall and wide, […]

50+ Flowering Pollen/Nectar Plants For Bumblebees

Here are three key points in planning your pollination garden. To attract U.S. native bumblebees: First, add both early(*), mid-summer, and late(**) flowers in the mix for a three seasons long garden. Second, mass together many of the same kinds of flowers, not just one or two plants, so that bees will spot them easier and to visit the planting frequently. […]

Our Native Bumblebees In Trouble

Recently, the U.S. Fish and Wildlife Service recognized ten more animal species as Endangered Species, providing them protections under the Endangered Species Act of 1973. These 10 species include 7 species of bees. Endangered status will afford the rusty-patched bumblebee protection under federal law. Bumblebees build their nests in the ground (and other places). Honeybees, however, […]

Photoperiodism – Short Day/Long Day Plants

“Photoperiodism” or daylength is responsible for triggering flowering in numerous plants. Some examples of short day plants are poinsettias (Euphorbia pulcherrima), fall mums (Dendranthemum spp.), asters (Symphyotrichum spp.), Thanksgiving (Schlumbergera truncata), Christmas (S. bridgesii) cacti, Kalanchoes (Kalanchoe spp.) and Salvias (Salvia spp.). “Photoperiodism” is the amount of light and darkness a plant is exposed to. The […]

Key Points About Poinsettias

The beautiful poinsettia (Euphorbia pulcherrima) has become a symbol of  the Christmas and winter holidays. The showy colorful bracts, that most people think are the flowers, are actually modified leaves. The tiny “true” flowers are in the center of the bracts. Joel R. Poinsett introduced the poinsettia plant to the United States from Mexico. Poinsett […]

American Witchhazel Blooms in Autumn

American witchhazel (Hamamelis virginiana) is the last native flowering plants to bloom in the calendar year. It is a deciduous shrub or small tree, native to woodlands, forest margins and stream banks in eastern North America (USDA hardiness zones 3-8). It typically grows 15-20 feet tall as a multi-stemmed shrub and 30 feet tall in tree form. Beginning in […]

Polar Express Sunbelt Rose Big Winner At 2016 Biltmore Gardens Rose Trial

If you grow roses in the U.S. Mid-South region, the historic Biltmore Gardens in Asheville, NC is key source for discovering what varieties you should be growing. Recently, a jury of world rose experts selected the winning roses in the 2016 Biltmore International Rose Trials. Since 2011, Biltmore’s historic Rose Garden has been home to the trials in which more […]