Archive for the ‘Summer flowering’ Category

‘Morning Grace’ Spiderwort Is A Delicate Beauty

  Morning Grace spiderwort (Tradescantia rosea ‘Morning Grace’) is a short growing spiderwort native from Maryland south to Florida. Its small size and clumping nature makes it a wonderful rock garden plant. It grows into 8″ tall x 8″ wide clump of narrow medium green leaves. At first glance this spiderwort’s foliage appears very grass-like. […]

Hollyhock Rust Prevention Tips

Hollyhocks (Alcea rosea) are old-fashioned perennials (and biennials) which are currently finding a new audience. There are numerous cultivars differing in plant height from 5 to 9 feet and spread of 1 to 3 feet. Flowers come in single and double forms and in many color shades. Hollyhocks are hardy to USDA hardiness zone 4. […]

‘Sunburst’ Golden St. John’s Wort

Our native golden St. John’s wort (Hypericum frondosum) deserves more planting space in U. S. gardens (USDA hardiness zones 5-8). ‘Sunburst’ is the leading cultivar and exhibits superior traits over the species. Golden St. John’s wort forms a small, dense growing deciduous shrub, noted for its showy golden yellow flowers and attractive blue-green foliage. Sunburst grows more compact […]

‘Brigadoon’ Hypericum Wakes Up a Garden Bed

The bright chartreuse (almost golden) foliage Brigadoon St. John’s wort (Hypericum calycinum ‘Brigadoon’) can brighten up almost any dull garden spot. This Euro-Asian ground cover thrives in any well-drained soil under full to partial sunlight (USDA zones 4-7). Full sun may burn the summer foliage in zone 7. ‘Brigadoon’ grows 12 to 16 inches tall and spreads […]

Vintage ‘Strawberry Candy’ A Sensational Daylily Performer

Some vintage daylily varieties are timeless performers.  Strawberry Candy daylily (Hemerocallis x ‘Strawberry Candy’) is a daylily classic, one of the first to open in June in Southern Appalachian gardens (USDA hardiness zones 6 and 7). Its grass-like foliage is semi-evergreen here. The 4- inch diameter flowers open strawberry pink with a prominent rose red eye […]

‘Red Volunteer’ – Outstanding Veteran Red-flowering Daylily

In the gardening world new does not always mean better. Red Volunteer daylily (Hemerocallis x ‘Red Volunteer’) is not new, introduced by Oakes Daylily Nursery, near Knoxville, TN in 1984. Daylily catalogs describe it as a “candle red self with a golden yellow throat”. It is a mid-season bloomer and the foliage is semi-evergreen. The […]

‘Color Guard’ Yucca Hold Gold Variegation

Architecturally, yucca (Yucca filamentosa), aka Adam’s needle or Spanish bayonet, makes a strong landscape statement. Yucca is often difficult to fit with with other shrubs, except perhaps other xerophytic plants. Yucca is frequently used in an arid-looking or in a courtyard setting in gravel mulch. Yucca prospers in full sun and a well-drained soil. This […]

Easy To Grow Dahlias

According to the American Dahlia Society there are 18 classes of dahlias, from the popular small flowered dahlietta types to the large flowered dinner plate type. Dahlias hail from South of the Border, down Mexico Way, and are not reliably winter hardy north of USDA zone 7-b. Dahlias are easy to grow. They want a compost […]

Torenia (Wishbone Flower) Blooms In Part Shade

The list of summer flowering annuals for shady spots in the garden is not long. Garden impatiens (Impatiens x wallerana) is the first choice, seconded by begonias (Begonia x semperflorens-cultorum). Today, wishbone flower (T. fournieri) is now available.  Torenia blooms from spring to frost.  It is best grown in a moist, organically rich, well-drained soil and […]

Powdery Mildew: The Bane of Beebalm

  Beebalm (Monarda spp.) is one of our great native perennials and herbs. Native Americans used beebalm as a tea, brewing it for colds, minor bronchial and digestive complaints, and also as a poultice to soothe insect stings. During the Boston Tea Party, rebellious colonists utilized beebalm as a tea substitute, calling it “Oswego tea”. […]