At that time, the plants would generally be removed to make room for planting cool-season flowers. However, these plants are perennials that may survive a mild winters in south Louisiana and grow and bloom another year. If you mulch the bases with several inches of pi...
Part of the mint family (Lamiaceae), salvias provide colorful spikes of densely packed flowers with tubular blossoms atop square stems and velvety leaves. Their flowers come in a range of colors, including purple, blue, red, pink, and white. “Salvia” and “sage” are often used interchange...
This compact cultivar grows 1 to 2 feet tall, with strong spikes of vivid purplish pink tubular flowers from midsummer to fall. The square stems carry 5-inch toothed leaves. ‘Crystal Peak’ Obedient Plant The outstanding feature of this cultivar is itssnow-white bloom. The flowers are long-...
With its open, airy nature and frothy blue flowers, Russian sage is an excellent filler in the fall garden, providing cool contrast to the rich, warm colors of many other fall flowers. Although the blooms begin to appear in summer, they are incredibly long lasting, often persisting for month...
In another experiment, applying 100 mg/L and 200 mg/L paclobutrazol and flurprimidol on spikes both significantly shortened total spike lengths up to 77% when applied on plants with spikes 1-2 cm. Applying paclobutrazol resulted in shorter internodes between flowers, whereas applying flurprimidol...
David McKinney is an experienced plantsman sharing his expertise in horticulture. His knowledge spans landscape management, growing plants indoors and in the greenhouse, ecological plant selection, and much more. With nearly 15 years in the industry, he is well versed in both herbaceous and woody ...
Lavender, genus of about 30 species of the mint family (Lamiaceae), native to countries bordering the Mediterranean. Lavender species are common in herb gardens for their fragrant leaves and attractive flowers. They are widely cultivated for their essent
Codonopsis, bonnet bellflower, from Central and East Asia, is a genus of 30 to 40 mostly weak-stemmed, sprawling perennials, with long-stalked, usually blue (though sometimes white or yellowish) pendent bell-shaped flowers. C. clematidea, sprawling to about 60 cm (2 feet), has pale-blue...
Plant reproductive system - Angiosperms, Pollination, Fertilization: Although the angiosperms are known as flowering plants, they are difficult to distinguish from gymnosperms solely on the basis of bearing flowers, for, like the strobilus, a flower is a
pickerel weed,pickerelweed,Pontederia cordata,wampee- American plant having spikes of blue flowers and growing in shallow water of streams and ponds Eichhornia crassipes,Eichhornia spesiosa,water hyacinth,water orchid- a tropical floating aquatic plant having spikes of large blue flowers; troublesome ...