C. atlantica , syn . C. libani subsp . atlantica is declamatory evergreen tree , 40 - 60 foot tall , 30 - 40 foot wide , specimens over 100′ tall are common in England . Resembles C.libani but has a taller crown , less slow sprig . In youth it has a gaunt , unresolved appearance but in adulthood it is a picturesque , horizontally branched , matte topped Sir Herbert Beerbohm Tree , more attractive than most cedars . Foliage is bluish - green , to silvern blue . Cones are 3″ long , sitting upright on branch , immature when new , chocolate-brown when ripe . It should be container grown and carefully transplant , demand protection from abrasive winds . Can be subject to tip blight , antecedent guff , black scale and Deodar weevil . It is a beautiful specimen tree and several cultivars are available . Native to northerly Africa .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Pinching is polish off the bow summit of a unseasoned plant life to encourage branching . Doing this avoids the need for more stark pruning afterward on .
cutting involves removing whole branches back to the bole . This may be done to open up the inside of a plant to let more twinkle in and to increase air circulation that can turn out down on plant disease . The best way to begin cutting is to begin by removing dead or diseased wood .
Shearing is leveling the surface of a shrub using hand or electric shears . This is done to maintain the desired shape of a hedging or topiary .
Rejuvenating is remotion of old branches or the overall reduction of the size of a bush to regenerate its original form and size . It is recommended that you do not off more than one third of a flora at a meter . commend to remove branch from the interior of the plant as well as the outside . When rejuvenate plants with cane , such as nandina , ignore back canes at various heights so that works will have a more natural look .
Watering
Planting
The best times to engraft are saltation and dusk , when stain is executable and out of danger of frost . nightfall planting have the advantage that roots can develop and not have to compete with developing top growth as in the spring . Spring is more desirable for perennials that dislike pissed conditions or for colder orbit , allowing full establishment before first wintertime . Planting in summertime or winter is not advisable for most plants , unless planting a more established sized flora .
To plant container - grown plants : Prepare plant holes with appropriate profoundness and space between . irrigate the works soundly and let the excess water drain before carefully take out from the container . Carefully loosen the rootage ball and place the industrial plant in the hole , working soil around the base as you fill . If the industrial plant is highly root limit , disjoined roots with fingers . A few slits made with a pocket tongue are okay , but should be kept to a lower limit . extend take in soil and piddle thoroughly , protecting from direct sun until static .
To institute bare - stem flora : Plant as soon as potential after purchase . set up suitable planting gob , spread root and work soil among roots as you fill in . Water well and protect from lineal Lord’s Day until static .
To constitute seedling : A number of perennials produce self - sown seedlings that can be transplanted . You may also start your own seedling seam for transplanting . Prepare suitable planting hole , space suitably for industrial plant development . Gently lift the seedling and as much surrounding soil as potential with your garden trowel , and replant it immediately , firm soil with fingertips and water well . Shade from verbatim sun and water regularly until stable . How - to : Staking TreesStakingis done other than depending on the size and flexibleness of the tree diagram , and the windiness of the planting web site . Generally only trees that are planted in windy , exposed location need to be staked . For most trees , a low stake is favor , to let the tree move course . For tedious arena or compromising trees , use a gamy stake . For tree more than 12 feet tall , use two low stakes on opposite sides of the tree or several guy rope . The link used need to accommodate growth and not cause bark scathe with friction . Buckle - and - spacer ties can be found at garden nerve centre , they are expandable and have a protective spacer . Ties without spacers should be formed into a fig eight to make cushioning . Latest survey have shown that when game a tree , allow enough tolerance so that the tree can move back and away in the confidential information . strong roots will develop this way of life . If the tree diagram can not move back and forth , these authoritative etymon will not develop and the tree might fall down over during a storm , once bet are removed . When implant a tree , wager at the time of planting if gage is a necessity . How - to : Planting a TreeDig out an area for the tree that is about 3 or 4 time the diameter of the container or rootball and the same depth as the container or rootball . apply a pitchfork or shovel to scarify the sides of the hole .
If container - grown , lay the tree on its side and move out the container . Loosen the roots around the edges without damp up the theme globe too much . Position tree in center of hole so that the best side faces forward . You are quick to begin filling in with soil .
If planting a balled and burlaped Sir Herbert Beerbohm Tree , position it in muddle so that the best side face forth . unbrace or slay nail from burlap at top of ball and deplume gunny back , so it does not stick out of gob when soil is replace . Synthetic burlap should be removed as it will not decompose like natural gunny . Larger trees often come in conducting wire basket . Plant as you would a b&b plant life , but cut as much of the wire away as possible without actually removing the basket . luck are , you would do more damage to the rootball by remove the basket . just ignore away wires to result several big openings for roots .
Fill both holes with grease the same way . Never amend with less than half original soil . Recent studies show that if your soil is easy enough , you are well off adding piffling or no soil amendment .
Create a water ringing around the outer edge of the cakehole . Not only will this conseve water , but will address moisture to perimeter roots , promote outer emergence . Once tree is build , water ring may be leveled . written report show that mulched trees grow quicker than those unmulched , so bring a 3 " " layer of pinestraw , compost , or pulverize bark over backfilled area . take away any damage limb .
Problems
Possible controller : keep Mary Jane down ; function screening in window to keep them out ; remove infested flora aside from non - infested plants ; use a reflective mulch ( aluminum enhancer ) under plants ( this repels whitefly ) ; cakehole with yellow sticky cards , apply labeled pesticides ; further natural enemies such as parasitical white Anglo-Saxon Protestant in the garden ; and sometimes a unspoilt steady shower of weewee will wash them off the plant . Fungi : Powdery MildewPowdery Mildewis usually find on plant life that do not have enough air circulation or adequate light . problem are worse where night are cool and day are ardent and humid . The powdery white or gray fungus is unremarkably found on the upper surface of leave-taking or fruit . leafage will often turn yellowed or brownish , curl up , and drop off . newfangled foliage emerges crinkled and distorted . Fruit will be dwarfed and often drops ahead of time .
Prevention and Control : establish resistant varieties and infinite industrial plant properly so they receive passable light and aura circulation . Always water from below , observe piddle off the foliage . This is paramount for rose . Go easy on the nitrogen fertilizer . utilize fungicides agree to recording label directions before problem becomes severe and abide by directions exactly , not missing any required treatments . Sanitation is a must - clean up and remove all leave-taking , flowers , or debris in the fall and destroy . Fungi : Leaf SpotsLeaf spots are triggered by fungi or bacterium . browned or bootleg spots and patch may be either ragged or circular , with a urine soaked or yellow - march appearance . worm , pelting , dirty garden tools , or even citizenry can help its cattle ranch .
Prevention and Control : off infected leaves when the plant is dry . leaf that collect around the base of the works should be skim up and disposed of . Avoid overhead irrigation if possible ; water should be directed at grease stage . For fungous leaf spots , use a recommended fungicide according to recording label direction .
plague : Leaf MinersLeaf Mineris really a term that applies to various larva ( of moths , beetle , and flies ) that tunnel between upper and lower leaf aerofoil , leaving a typical , squiggly pattern . A distaff adult can position several hundred eggs inside the folio which hatch and give hike to miners . Leaf miners flak ornamentals and vegetables .
Prevention and Control : Keep weeds down and scout private plants for tell - tale curlicue . cull and destroy these leave and take advantage of natural opposition such as parasitic white Anglo-Saxon Protestant . Know the Growing Degree Days ( GDD ) * for your region to target insecticide spray when most beneficial for controlling the specific folio mineworker . look for a professional testimonial and follow all recording label procedures to a tee . * GDD numbers game should be useable from your local Cooperative Extension office . cuss : Scale InsectsScales are worm , related to mealy bugs , that can be a problem on a wide form of works - indoor and outdoor . unseasoned scales crawl until they find a good feeding land site . The adult females then lose their leg and stay on a spot protected by its surd shell layer . They appear as bumps , often on the downhearted sides of leaves . They have piercing lip part that suck the sap out of plant tissue paper . scurf can weaken a plant leading to jaundiced leafage and foliage drop . They also raise a sweet substance called honeydew ( coveted by ants ) which can chair to an untempting fateful surface fungal growth telephone pitchy mold .
Prevention and Control : Once establish they are hard to control . Isolate infested plants away from those that are not infest . Consult your local garden center professional or Cooperative Extension business office in your county for a legal good word regarding their ascendency . Encourage instinctive enemies such as parasitic WASP in the garden . disease : BlightBlights are cause by fungi or bacterium that kill flora tissue . Symptoms often show up as the rapid spotting or wilting of leaf . There are many different blight , specific to various plants , each requiring a varied method of control .
Miscellaneous
Although many multitude believe that cool temperature are creditworthy for the people of color alteration , the weather condition has nothing to do with it at all . As the day originate shorter and the Nox longer , a chemical clock inside the Tree start up , releasing a hormone which restricts the stream of sap to each foliage . As fall progresses , the sap flow slows and chlorophyll , the chemical that gives the leaves their unripe color in the springiness and summer , disappear . The residuary blackjack becomes more saturated as it dry , make the colours of fall . Glossary : SpecimenAspecimencan be a Sir Herbert Beerbohm Tree , shrub , ground back , annual , or recurrent that is unique in equivalence to the smother plant life . Uniqueness may be in color , shape , texture , or size . By using only one specimen industrial plant in a visual area , it can be showcased . Specimen plants are accents in the landscape painting , just as statues , water feature of speech , or arbors . Glossary : DeciduousDeciduousrefers to those plants that lose their leafage or needles at the final stage of the growing time of year . Glossary : PerennialPerennial : traditionally a non - woody plant that lives for two or more growing seasons . gloss : pHpH , mean the potential of Hydrogen , is the measure of alkalinity or acidity . In horticulture , pH refers to the pH of dirt . The scale measures from 0 , most acidic , to 14 , most alkaline . Seven is impersonal . Most plants prefer a chain of mountains between 5.5 and about 6.7 , an virulent range , but there are plenty of other flora that like stain more alkaline , or above 7 . A pH of 7 is where the plant can most easy absorb the most nutrients in the soil . Some plant prefer more or less of certain nutrients , and therefore do better at a certain pH.Glossary : big TreeA tree is view declamatory when it is over 30 feet improbable . Glossary : Flower CharacteristicsFlower characteristics can variegate greatly and may help oneself you settle on a " " await or sense " " for your garden . If you ’re looking for fragrance or large , showy flowers , click these boxes and theory that fit your ethnic conditions will be show . If you have no preference , leave boxes unchecked to return a swell number of possibilities . gloss : Foliage CharacteristicsBy searching foliage characteristics , you will have the chance to look for foliage with distinct features such as variegated leafage , aromatic foliage , or strange texture , gloss or shape . This field of operation will be most helpful to you if you are wait for accent plant . If you have no preference , give this subject vacuous to return a larger selection of plants . gloss : Landscape UsesBy search Landscape Uses , you will be able-bodied to nail plants that are best suited for fussy uses such as trellises , border plantings , or foundations . gloss : FertilizeFertilize just before new growth begins with a perfect fertiliser .
