If you are looking for an attractive decorative shrub to accent your garden , you may want to consider planting spireas . loose to grow and uphold , there are almost 100 spirea specie to pick out from . Some varieties do work well as hedge , while others make great borderline plant life .
Depending on the variety of spirea , blooms will be white , pinkish , red or yellow . The plants , which range in tallness from two to 10 feet and spread out two to 20 feet , will blossom in either natural spring or summer . Spireas have graceful arching offset that host drooping , fragrant flowers .
With so many different species of spireas usable , you should have no problem choosing a metal money that will develop well in your clime . Astilbe japonica are aboriginal to North American and mood zone such as Japan . Most of the metal money do best in hardiness zones three through eight . Before purchasing , be certain to check the planting selective information with a United States Department of Agriculture Hardiness Zone mapping .
Spirea Planting Tips
After you have opt a internet site to plant spireas , plan on putting the deciduous shrubs in the earth in either spring or gloam . so as to get the most blossom , industrial plant spiraea in full sun . The stain should be dampish and well run out , but spirea will grow in sandy or clay soils .
toil the hole to the same depth as the root glob . However , be sure to dig the hole two to three times as wide as the root scheme .
When planting , water the plants good and spread two to three column inch of mulch around them .
If you project to institute more than one Astilbe japonica , space plant according to their size of it at maturity . This may vary from two to 15 foot , so be certain to study the plant tag end selective information . If you are in doubt , stop with the nursery for more information .
spirea are low maintenance and require infrequent lachrymation throughout the growing time of year . You may want to water them in periods of drouth . Spread a little general - purpose fertilizer around the roots once a yr in the gloaming . Mulch to aid keep the soil moist and nerveless . Mulching also help protect roots from frost .
clip the plants once a year after bloom is everlasting if you are trying to keep the spirea tidy and neat looking .
If older plant begin to get less flower blooms , you may shorten the works back by as much as 30 percentage to boost generative growth from the base .
One of the most common pests that affect spireas are aphids . At the first hatful of infestation , spray a mixture of soapy water to discourage the sucking insects .
Spireas are also prone to fire blight , a bacterial disease . Prune off dead ramification straight off . Spray the rest of the plant with a wettable streptomycin antibiotic pulverisation to get disembarrass of the blight .
Spireas also bear from powdery mold . A general garden fungicide should take attention of the problem .
With little fuss , the spirea plants should offer years of floral beauty for your yard and garden .
Want to learn more about growing spirea?
To learn more about pruning spirea shrubs , control out these two website onpruning spireaandhow to prune Astilbe japonica bush .
Here ’s a situation to learn shrubs .
