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Spiraea plants are hardy, deciduous-leaved shrubs. The leaves are simple and usually short stalked, and are arranged in a spiralling, alternate fashion. In most species, the leaves are lanceolate (narrowly oval) and about 2.5 to 10 centimetres (0.98 to 3.94 in) long.
Spiraea douglasii is a woolly shrub growing 0.91–1.83 metres (3–6 feet) tall from rhizomes, forming dense riverside thickets. [6] The leaves are 2.5–10.2 centimetres (1–4 inches) long and toothed towards the tips. They are alternately arranged, and the undersides are whitish with prominent veins.
Spiraea tomentosa grows to up to four feet high and prefers moist to wet soil and full sun. It blooms in summer. It blooms in summer. Each tiny, pink flower is about 1/16 of an inch wide and arranged in narrow, pyramid-shaped flowerheads that grow up to eight inches long.
Deadheading flowers with many petals, such as roses, peonies, and camellias prevents them from littering. Deadheading can be done with finger and thumb or with pruning shears, knife, or scissors. [2] Ornamental plants that do not require deadheading are those that do not produce a lot of seed or tend to deadhead themselves.
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When deadheading mums, trim off the spent flower and its stem down to the next leaf or node. Snipping off only the spent flower at the base of the bloom can leave an ugly, pointy stem sticking up.
Spiraea japonica is a deciduous, perennial shrub native to Japan, China, and Korea. Southwest China is the center for biodiversity of the species. [ 4 ] It is naturalized throughout much of the Northeast, Southeast, and Midwest areas of the United States, and parts of Canada.
Symptoms to note: More concerning reactions to wasp stings, that may indicate some level of allergy to the venom, include extreme redness and swelling that increases for two or three days after ...