Spiraea bumalda anthony waterer is a small to medium-sized shrub that is native to Japan. This plant is characterized by its erect, green stems and ovate-lanceolate leaves. The flowers of this plant are pink or white in color and bloom in clusters. This plant is typically found in woodlands, forest margins, and hedgerows.
Related plant:
Spiraea Grefsheim
Related plant:
Spiraea X Arguta
About soil condition, Spiraea bumalda 'Anthony Waterer' prefers moist, humus-rich, well-drained soils. It also does well in average, medium moisture, well-drained soils. It is quite tolerant of urban pollution and will even thrive in inner city environments. This shrub is also quite tolerant of clay soils.
Not too different with other spiraea bushes, the Anthony Waterer spiraea bush need full sun to partial sun in order to thrive. It's best to give them at least six hours of sun each day in order to maintain healthy growth.Interestingly, this particular variety of spiraea can also tolerate some shade, so if you have a spot in your yard that's a little bit more shady, this could be a good option for you.
The temperature condition that is most ideal for the growth of Spiraea bumalda Anthony Waterer is a temperate climate. This plant requires a minimum temperature of -30 degrees Celsius in order to survive. However, it can grow in a range of -30 to 30 degrees Celsius.
Ideal humidity condition for this plant is 40% - 50%. If the humidity is too low, the leaves will begin to turn brown and drop off. If the humidity is too high, the leaves will become yellow and begin to fall off.
For the fertilizer, usually the plant does best with a light application of a balanced fertilizer in early spring. You can also top dress the soil around the plant with compost or manure in early spring. For the roots, it is best to keep them moist but not soggy.
Pruning is an important part of keeping your Spiraea bumalda Anthony Waterer looking its best. Pruning early in the season will help to encourage new growth and prevent the plant from getting too leggy. You can prune Spiraea bumalda Anthony Waterer back by up to one-third its total height.
Propagation is best done in early spring by division. The plant can also be propagated by seed, but it may not come true to form. To divide, simply dig up the plant and divide the roots into sections. Each section should have at least one bud. Replant the sections immediately and water well.
Usually, the plant growth rate is determined by the variety planted. However, generally, these shrubs grow quickly in full sun, with a moderate growth rate of 2 to 3 feet per year. They are also quite tolerant of a wide range of soil types, as long as the soil is well-drained. Regular watering during the first growing season will help to establish a deep, extensive root system. Once established, these shrubs are relatively drought tolerant.
Common problems for this kind of plant are powdery mildew, rust, and leaf spot. These can all be treated with fungicides.To prevent these problems, make sure to plant in well-drained soil and to avoid getting the leaves wet when watering.
Source:
Anthony Waterer Spirea | UMD Arboretum & Botanical Garden
Spiraea x bumalda Anthony Waterer - LSU
Spiraea x bumalda 'Anthony Waterer': Anthony Waterer Spirea