Types of spirea is a plant that can be used for both landscape and for gardens. There are many types of spirea available, which can be found in a variety of colors including white, pink, and red. Spirea is a low-maintenance plant that is known for its ability to attract butterflies.
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About soil condition, Spirea generally prefers moist, well-drained soils, but it is adaptable to a range of soil types as long as the soil is not waterlogged. It can tolerate a fair amount of shade, but it will flower best in full sun.
Not too different with other types of spirea, sun light requirement for this plant is at least six hours of sunlight per day, but it can tolerate partial shade. It grows best in full sun, in moist, well-drained soils. Fertilize in early spring before new growth begins.
The temperature condition that is required for spirea to grow properly is between 68 and 72 degrees Fahrenheit. This temperature range is optimal for the plant to germinate, grow, and produce flowers. If the temperature falls outside of this range, the plant may not grow as well or may not produce as many flowers. Spirea is a hardy plant and can tolerate some variation in temperature, but for best results, it should be grown in an environment that is within the ideal temperature range.
Ideal humidity condition for this plant is 30 to 50%. If the level of humidity drops below 30%, the leaves will start to turn brown and crispy. If the level of humidity goes above 50%, the leaves will start to turn yellow.
Mentioning fertilizer, this family of plant responds very well to it. It's important not to use too much however, as this will cause the leaves to become yellow and the stems to elongate. Excess nitrogen will also promote an abundance of leaves at the expense of flowers. A common problem with spirea is that the leaves will turn yellow and fall off the plant before the flowers even have a chance to bloom. This is usually caused by a lack of nitrogen in the soil.
Pruning spirea is important to keep the plant looking its best. There are two types of pruning: deadheading and shaping. Deadheading is the process of removing spent flowers from the plant. This encourages new growth and keeps the plant from going to seed. Shaping is the process of trimming the plant to create a desired shape. This is typically done in the spring, after the plant has flowered.
Propagation is by softwood or semi-ripe cuttings taken in late summer or autumn, or by seed in spring Spirea are a large group of shrubs that come in many different colors and sizes. Some of the more popular varieties include 'Goldflame', 'Anthony Waterer', 'Bridal Wreath', and 'Snowmound' Spirea are easy to grow and are very versatile. They can be used as a border plant, in mass plantings, or as a focal point in the landscape. They are also very good for cutting and can be used in fresh or dried arrangements. Spirea are generally very hardy and can tolerate a wide range of growing conditions. However, they do best in full sun and well-drained soil.
Usually, the plant growth rate quickly, providing home gardeners with fast growing shrubs that fill in space rapidly. Some varieties can grow up to three feet per year. Most varieties need full sun to maintain their maximum growth potential, although some can tolerate partial shade.
Common problems for this kind of plant are aphids, scale, whiteflies, and lacebugs. More specifically, for the Bridal Wreath Spirea, common problems are powdery mildew, rust, and root rot. For the Golden Princess Spirea, common problems include aphids, scale, whiteflies, and lacebugs. For the Snowmound Spirea, common problems include powdery mildew and rust.
Source:
Japanese Spirea (Spiraea japonica)-Hort Answers - University of ...
Spirea, Mellow Yellow
FPS-558/FP558: Spiraea contoniensis Reeve's Spiraea, Bridal
