In several states rose of Sharon or altheas (Hibiscus syriacus) are classified as exotic (non-native) invasive shrubs (USDA hardiness zones 5-8). Their seedlings are invading U.S. woodlands. Plant breeders are now developing less invasive cultivars. The double-flowered altheas produce far fewer fertile seeds; stamens and pollen sacs are mostly embedded within the flower petals. Azurri Blue Satin® is […]
Archive for the ‘Flowers’ Category
Ground Nesting Bees Are Beneficial Pollinators
Spring signals the return of many species of birds and the bees to yards and gardens. In early spring increased activity by ground nesting bees cause alarm for many people; dirt pile nests start appearing in bare patches in the lawn. They are beneficial pollinators in the garden. Bees in the families Colletidae and Andrenidae represent the ground nesting […]
Million Bells (Calibrachoa)
Among gardeners “million bells” or “callies” are common names for calibrachoas (Calibrachoa x), spring-summer-fall flowering annuals; they’re closely relative of petunias (Petunia spp.). Low spreading plants are blanketed with small petunia-like flowers from spring until frost. Blooms hold up well to rain showers and do not need to be deadheaded. Plants are heat-tolerant and disease […]
‘Blizzard’ Pearlbush Is Superior Choice
Once upon a time pearlbush (Exochorda spp.) was a popular old-fashioned spring flowering shrub. Its flurry of white flowers followed forsythia in early spring bloom cycle (USDA hardiness zones 4 to 8, excel in 7 & 8). New on the garden scene is ‘Blizzard’ (E. x […]
The Forsythia Revolution
In most areas of the U.S., the golden yellow blossoms of forsythia (Forsythia x intermedia) signals that worst of winter weather is almost over (USDA hardiness zones 4 to 8). Over 2-3 weeks bright yellow flowers cover this easy to grow shrub. Priced at under $20, a good-sized forsythia […]
Why Mophead Hydrangeas Do Not Bloom
The introduction of Endless Summer® hydrangeas in the 1990’s got gardeners excited about growing mophead hydrangeas (Hydrangea macrophylla) again. Mophead hydrangeas bloom both on old wood in the spring and again on new wood in mid-summer. Flowers have either a blue/pink color depending on the pH of the soil. Endless Summer hydrangeas bloomed […]
Old-fashioned Star Magnolias Very Beautiful Start Of Spring
Star magnolia (Magnolia stellata) is a multi-branched shrub or small tree which is native to Japan (USDA hardiness zones 4 to 8). This early flowering magnolia is noted for its compact form. A mature tree form grows 15 to 25 feet tall, 10 to 20 feet wide, and […]
Little Bluestem – Beautiful And Environmentally Correct
Little Bluestem (Schizachyrium scoparium) grows in old fields, meadows and prairies, and along roadsides across the United States and Eastern Canada (USDA hardiness zones 3-8). It forms dense clumps 2- 3 feet tall and 12 -18 inches wide. This warm season grass prefers a well-drained soil and […]
Double Knockout® Roses
Knockout® roses continue to wow gardeners across the U.S. (USDA hardiness zones 5 to 9). The original Knock Out series grew 5 to 8 feet tall and 4 to 6 feet wide. Shorter growing Double Knockout® series make better fit in most urban gardens at 3 to 4 feet high and 3 to 4 feet wide. Double […]

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