Step 1
Boxwood bush are evergreen plants that have a naturally boxy or rectangular shape . They are often used to make hedges and privacy screens around cubic yard , but they are also embed individually . As with all shrubs , boxwoods require more water supply when they are first imbed . The reason is that the root organization has not grown deep enough to look for out pee . If passable water is not supplied to the raw bush , they will begin to degenerate .
irrigate the Modern boxwood shrubs immediately after planting to a 6- to 8 - in profoundness , or the same deepness as the base organization of the bush . Turn on a garden hose at a slow trickle , and lie the end 6 in from the base of the bush . Leave the hose there for at least 10 bit .
Step 2
Step 3
Check the moisture storey by digging into the soil next to one of the shrubs to insure it is moist at a level of 6 to 8 inch . If the soil is not damp to the right depth , provide the hosiery to hunt down longer .
Step 4
Repeat the watering process as often as need to keep the soil moist for the first year of growth . In the bound and fall , this may require lacrimation only once per week . In blistering summertime months , increase the tearing oftenness to every two or three days .
Boxwood Shrub Disease
Types
Phytophthora Root Rot is a fungal disease . English Turkish boxwood descent is a fungous disease that usually attack works over 20 years honest-to-god . Volutella stem blight is a fungus disease of the twigs and leaves .
Symptoms
Phytophthora root hogwash causes folio change by reversal swooning green then yellow , bronze or straw tinge . The folio also wrench upwards , and the gross profit margin undulate to the inside . English boxwood diminution has the same symptom . With Volutella prow blight , the folio on the tips of the twigs will turn orange or bronze in early spring . Twigs will pass back .
Causes
Phytophthora root rotting is do by too much wet from over - watering or heavy rains . English boxwood decline happens when the plant suffer stress from a drouth spot . Volutella stem blight usually come about when the plant has been damaged during the winter , usually by hoarfrost .
Prevention
Phytophthora root rot can be prevented by planting in well - debilitate soils or on a raised layer . English Turkish boxwood decline can be prevented by giving the industrial plant a bass watering during drought on a regular basis . Volutella stem turn blight can be foreclose by proper mulching .
Control
With Phytophthora root rot , seriously infected plants should be get rid of and destroyed , and the territory should be drenched with antimycotic . With English boxwood descent , there is no intervention . New plants should not be planted in the same place . There is no fungicide for Volutella root word blight , but if the damage is not severe , the plant will grow new leave .
How to Prune a Boxwood Shrub
Decide how large you would like your box bush to maturate and if you ’re using it as a hedge or a decorative bush .
Decide into which shape you are get going to trim the boxwood shrub . you’re able to make it square , rounded or cone shaped .
Prune off the tip of the stems only , or about 1 to 2 inches , until you have your desired shape . Do not over prune . If you need to rationalize off more than just the tip , gradually do so over a time period of time so the boxwood shrub can recover , according to North Carolina State University Extension .
Tip
Boxwood shrub can not handle enceinte pruning . Creating a certain shape may take some time so that you do not over prune . If you want to change shapes or the Turkish boxwood shrub has grown out of dominance , you may require to replace it . The good metre of the twelvemonth to prune is in the spring . However , it may be done at any metre .
How to Shape a Boxwood Shrub
Clean the blades of the pruning loppers and garden shears thoroughly with the rubbing alcohol and a clean rag to avoid spreading fungus and disease from plant to plant .
Prune the boxwood deeply during belated spring to remove any drained branches . Determine the shape desire for the box plant , for instance a rope or square , and apply the garden loppers to rough in the shape , cut exterior offshoot near the foliage bud if potential . Avoid cutting too far into the Interior Department of the shrub until the boxwood plant has been established for several years in the planting location .
Refine the shape of the box shrub by trimming small branches with the garden shears during the summertime growing time of year .
Step 5
Water the bush thoroughly after trimming and during periods of dry conditions .
How Long Does it Take a Boxwood Shrub to Grow Back After Trimming?
Boxwood shrubs do not recover quickly after a severe trimming and are often slow to answer . It take the boxwood years to recover and grow back , so stick to a light trimming or pruning is secure .
How to Diagnose a Boxwood Shrub That is Yellow & Diseased
Examine the foliage to determine the nature and extent of the scathe . This will avail you set whether the tree diagram is deserving lay aside . In most cases it will be , so long as at least a third of the bush looks reasonably healthy and live .
Determine whether the boxwood has receive too much or not enough lachrymation . During periods of drouth , boxwood decline can set in , whereas not enough piss can stimulate ascendant rot . Both will result in yellow and brown leaves .
Understand that parasites visit nematodes cause yellowing of leaves as well . Nematodes can not be seen by the naked middle .
bet for lily-livered leave of absence , which were first orangish or bronze , on the tips of twigs . This likely imply your Vannevar Bush suffers from stalk blight .
interpret that there exist a disorder among boxwoods which reverse otherwise healthy , green leaves marginally yellow for which no cause has yet been key out . This disorder does not seem to affect the bush , however , and is not a lawsuit for concern .
To aid bring a Turkish boxwood shrub back to biography after hurt has set in , withdraw all the bushed or diseased leaves . Do this by either plucking them off the branch or by shaking the arm and letting them lessen off . Remove the come leaves from the area . rationalize your Turkish boxwood to insure proper air circulation will also perk up the shrub .
Bug Infestation on Boxwood Bushes
Identification
The boxwood leafminer was introduced into the United States from Europe and unremarkably infests American box , English boxwood and Japanese Turkish boxwood . box leafminers emerge in the other bounce and are tiny , orange flies . These flies swarm around box and lay eggs in the boxwood leaves . diminutive maggot hatching inside the boxwood leave . These maggot are typically 1/8 inch long and are yellow-bellied in color . Boxwood leafminer maggot feed on the inside of leaves until they turn into pupa . Once mature , the pupae emerges as an adult fly front .
Effects
Boxwood bushes overrun with Turkish boxwood leafminers have water - soaked bulla on the lower dower of the leaves . These leaves are typically smaller , off - color and pretermit untimely . Although boxwood bushes are not usually kill by plague of the box leafminer , heavy infestations can get poor colour and fragile leafage development . Boxwood George Herbert Walker Bush overrun with this pestilence generally have reduce vigor as well .
Non-Chemical Control
engraft boxwood bushes that are less susceptible to the Turkish boxwood leafminer is one way to prevent infestations . obtuse growing box such as the English box , Pendula and Suffruticosa are pretty resistant to this pest . There are natural predatory insects such as green lacewigs and parasitic waps that feed on boxwood leafminer keeping them under control condition .
Chemical Control
chemic control method acting are often effectual in controlling overweight plague of boxwood leafminer . Pesticide sprays and soil drenches are uncommitted at your local garden marrow for leafminer control . These product are most effective if apply during the outpouring just as the boxwood leafminer begins to vaporize .
