Rock Cotoneaster Bonsai Care

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Normal Background:

Often used as a groundcover in landscaping, the native Chinese language and Himalayan Cotoneaster, or Cotoneaster apiculatis, is a superb bonsai specimen.  This can be very tolerant of human error, which makes it a pleasure to work with for bonsai fans of all ranges. 

Bushes Options:

This arching deciduous shrub is straightforward to develop and hardy with beautiful small darkish inexperienced leaves rising from a gray trunk and branches.  The Rock Cotoneaster is an exquisite spring curiosity plant blossoming with delicate white flowers within the spring that flip into vibrant pink berries as mature fruit. Within the fall you may count on pink to purplish shade earlier than the leaves drop if holding outside.


The Cotoneaster will be evergreen or deciduous relying on the local weather it’s grown in. This ensures that it will probably adapt to indoor or out of doors rising habits so long as supplied with ample winter safety.  In zones with excessive chilly, it’s best to deliver this bonsai indoors over the winter, foregoing its dormant interval.  


This bonsai will thrive in a Sunny location with some shade supplied within the depth of afternoon solar.  


Your Rock cotoneaster will must be watered typically in the summertime months and fewer in winter, taking care to by no means enable it to dry out fully.  Offering this bonsai with a humidity tray stuffed with stones will guarantee correct root humidity with out risking the foundation rot that’s widespread when allowed to take a seat in water.


Fertilize with a water soluble meals each two weeks through the rising season, and stop when flowering or fruiting.

Pruning / Coaching:

Reduce previous progress in early spring earlier than the looks of recent progress.  You may encourage trunk thickening by chopping again suckers on the base.  This plant will tolerate extreme pruning.  If desired, you may wire stems fastidiously in early spring earlier than the buds seem.  A Cotoneaster bonsai will be skilled in most types, though the cascade, curved trunk, and root over rock are fascinating. Heavy pruning is tolerated nicely; scissor tip pruning is finest. 

Bugs / Pests:

This bonsai is vulnerable to aphids and scale, particularly when stored indoors. To take care of aphids, a easy combination of 1 tsp dish cleaning soap to 1 quart heat water sprayed over all the plant till desired runoff is achieved may be very efficient at eradicating this pest.  You’ll want to rinse the answer nicely with tepid water and repeat as wanted.  Scale will be eliminated manually with a pointy knife or dabbed with a swab or ball of cotton dipped in isopropyl (rubbing) alcohol.  Don’t use different alcohols, reminiscent of ethanol or methanol, as a result of they penetrate the plant tissues quickly and can trigger appreciable harm to mushy tissues! 

After remedy, remember to take away all scales by hand, giant and small; enable the plant to dry and re-examine it for residual scale our bodies.  Repeat the alcohol wipe to take away all traces of the bugs paying specific consideration to the midrib, different veins, and leaf edge areas.  Needless to say scale eggs are hidden underneath the waxy masking of the lifeless feminine, so if these are usually not completely eliminated, the remaining eggs will hatch and proceed the infestation cycle.  You’ll want to repeat remedy each 1-2 weeks till scale has been fully eradicated.  Please bear in mind {that a} doubtlessly uncommon downside that may happen with alcohol remedy is chilling of the plant tissues that may happen with the fast evaporation of alcohol.  This chilling is could cause over-cooling of the plant tissues, creating zones of lifeless cells that will change into necrotic from micro organism or fungi.  On heat or breezy days contemplate wiping any residual alcohol with a tissue as a substitute of allowing it to evaporate off the plant.


This pleasant little bonsai is finest grown from mushy cuttings positioned in moist, nicely drained soil.  Preserve the cuttings in shade till satisfactory root progress has been established.


Repot your Cotoneaster yearly or two within the spring.  You’ll want to prune as much as 1/three of the foundation progress earlier than repotting in nicely drained bonsai soil. 

Further Feedback:

Maintaining the leaves free from mud with a weekly full physique rinse will guarantee correct cell progress, and is your finest insurance coverage in opposition to bugs and illness. 

DISCLAIMER: The content material supplied on this article just isn’t warranted or assured by Bonsai Outlet. The content material supplied is meant for leisure and/or instructional functions with a view to introduce to the reader key concepts, ideas, and/or product critiques. We aren’t chargeable for any unfavorable penalties that will end result from implementing any data lined in our articles or tutorials. Blissful bonsai gardening.

Obtain this care sheet as a PDF


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