There are over 100 species of evening primroses (Oenothera spp.) worldwide, several native to the U.S. The night-blooming evening primrose (O. glazioviana) is a great reason to plan more parties. Invite friends and neighbors, including children of all ages, although you may keep them up past their normal bedtime hour. This night blooming hardy biennial […]
Archive for the ‘Disease resistant’ Category
Nocturnal Daylilies For Gardeners Who Work 9 To 5
A typical daylily flower opens early in the morning and fades in late afternoon. There is a class of night-blooming (nocturnal) daylilies recognized by the American Hemerocallus Society (AHS). Flowers of nocturnal daylilies open anytime from late afternoon to dusk, bloom through the night, and close-up (wither) starting in mid-morning. Introducing the true nocturnals…they open […]
Pest Alert – Gardeners Should Avoid Planting Garden Impatiens
Downy mildew in impatiens (Plasmopara obducens) infects garden impatiens, double impatiens and balsam. However, New Guinea impatiens, SunPatiens™, and most annual summer flowering plants are not susceptible. Impatiens are the favorite flowering annual used in shady garden areas. Double impatiens and balsam are favorites in hanging pots and other types of containers. U.S. greenhouse growers […]
Australian Fanflower A Hot Choice in U.S. Southern Gardens
Fanflower (Scaevola aemula) is a relatively new annual bedding plant choice. This Australian native thrives in tough environmental conditions, including the hot, humid summers in the Southern U.S. Fanflower grows well in hanging baskets, containers or garden beds. It grows in average, moderately acidic, well-drained soil and prefers full or partial sunny areas in the […]
Floral Fragrance Of Native Fringetree Fills The Spring Air
Fringetree (Chionanthus virginicus) is treasured for its billowy masses of fragrant white flowers in the spring. It commonly grows as a large 15-20 foot tall shrub, but can be easily trained into a 20-25 foot multi-stemmed small tree. Most gardeners call this native “fringe tree” or fringetree. Regionally, it goes by a number of colloquial […]
‘Thailand Giant’ Elephant Ears A Tropical Wonder
In many areas of the U.S.’Thailand Giant’ elephant ears (Colocasia gigantea) is classified as an annual (USDA hardiness zone 8-10). It grows best in full to partial sunlight (6-hours minimum) and planted in a compost-rich well-drained garden soil or good container potting media. A young plant should be moved outdoors and brought back indoors when […]
Cool Blooming Osteospermums
Osteospermums (Osteospermum x hybrida ) are members of the daisy (Asteraceae) family, commonly called African Daisy, Blue-eyed Daisy, or Cape Daisy. Osteos are cool season annuals that excel in northern and less so in southern U.S. gardens. Osteos bloom more profusely in full sun, but want some cooling relief during the summers. Osteos have always […]
U.S. Native Pagoda Dogwood Wonderful Woodsy Tree
Pagoda dogwood (Cornus alternifolia), aka alternate leaf dogwood, is a small deciduous tree or large multi-stemmed shrub. It typically grows 15-25 feet tall and spreads slightly wider than tall. It exhibits a very distinctive layered horizontal branching. Small creamy white non-bracted flowers appear as flattened cymes in mid to late spring, about 3-4 weeks after […]
Silverbell Tree Are Great Additions To Your Garden
Carolina silverbells (Halesia spp.) bloom as the last bracts of flowering dogwood (Cornus florida) have fallen. Clusters of white or pale pink bell-shaped flowers open along the branches. Flowers appear first and medium green leaves emerge a few days later. Silverbells vary tremendously in the wild. Some grow large shrub-like, or as small multi-trunked trees […]
‘Appalachian Spring’ Dogwood Highly Disease Resistant
This may be old news, but definitely worth repeating. Twenty five years ago a dreaded dogwood disease threatened to eliminate our beautiful spring flowering tree from our gardens. Appalachian Spring flowering dogwood (Cornus florida ‘Appalachian Spring’) was found at the Camp David Presidential Retreat atop Catoctin Mountain in Maryland. Currently, Appalachian Spring is the only dogwood cultivar […]

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