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Boltonia [ bol - TO - nee - uh ] is a genus of plants mostly aboriginal to North America , include the Great Plains and the Mississippi Valley .
These plants belong to the Asteraceae family , which also includes thechamomile plant .
The Boltonia genus only include a handful of native plant species , including the popular Boltonia asteroides , also known as :
It ’s a robust recurrent plant with prow reaching several feet marvellous .
It produces many daisy - comparable flowers and is often grown as an cosmetic plant life .
Boltonia Asteroides Care
Size and Growth
Most varieties of Boltonia produce to about 5 ’ – 6 ’ feet marvellous with branching radical covered in lance - shaped leaves .
The leafage often measure 5 ” inches long and the foliage is n’t dense .
The stems are sometimes too thin to handle strong twist .
When grown in open domain , plants often postulate stakes for support .
Flowering and Fragrance
The bloom are the primary rationality why citizenry civilise false aster plants .
Boltonia aster is the most popular choice , producing blank daisy - like flowers with large yellow centers .
Some varieties also produce jaundiced center phonograph recording ting with pinkish , violet , or purpleness .
Most Boltonia plant are recent bloomers with bloom time from late summertime to other dip .
Light and Temperature
Boltonia plants grow well under full sun to partial wraith .
However , if condition get too shady , the stems may not raise wooden-headed enough to abide the plant .
Due to its top and spread head , it ’s seldom turn indoors .
It ’s best suited for utilisation in gardens where it can stay year - round .
Suitable for growth in USDA hardiness zones 3 to 9 , sham Chamaemelum nobilis can survive freezing temperatures in the winter .
Watering and Feeding
Boltonia plants are typically easy to deal for and only require occasional watering , particularly when mature in garden beds .
It tolerates moist stain , and high humidness levels , so overwatering is rarely a problem .
Feed the plant life every two weeks during the maturate season using a liquid fertilizer . Do n’t fertilize during the winter .
Soil and Transplanting
Sow seed in well - debilitate grunge or near wet , squashy areas .
As name , mass rarely grow Boltonia plants in containers , but it ’s possible .
Repot when plants outgrow their container . Frequent treatment may damage the thin stems .
Grooming
Pinching help produce thicker ontogeny and provides a way to keep tall flora from collapse from strong winds .
If the plant ca n’t patronage itself or produce leggy growth , cut back the root in recent Spring or former Summer .
Never reduce the stems back more than one - third of their current size .
How To Propagate False Aster?
Propagate Boltonia plants by germ or part .
Propagating by Division
Propagating by Seed
False Aster Pest or Disease Problems
Boltonia plant may developpowdery mildewcaused by dry conditions .
This mildew is a type of fungal infection that may spread out without discussion .
Other than the mould , Boltonia varieties do n’t have any serious pest or disease problem .
However , when choosing to grow plants indoors in a container , may attractaphids , spider mites , or whitefly .
When these pestilence get in , move the plant outside and shower down it with cold piddle .
sum dish soap to the pee may also help remove the critters .
If the pesterer remain , utilise aninsecticide ( constituent neem oil)but avoid bringing the plant back indoors until the plague is gone .
Outdoor plant life may attract dirt ball and butterflies . However , they rarely pose a threat .
Suggested Boltonia Uses
Deer - tolerant false aster plants , help summate colour to any garden .
Consider couple it with shorter anthesis plants blooming earlier in the time of year to enjoy more colour throughout the yr .
