‘ Nana Aurea ’ mature to 4 foot tall and 4 foot all-embracing . grow thick foliage in flat - sided spray . New foliage is yellow , former foliage dark putting green . Useful where touch of yellow is needed . Good in oriental and rock garden . C. obtusa is a intermediate large evergreen , under culture it usually does not exceed 40 - 50 foot grandiloquent , but with historic period will grow hight . Has a scatter of 15 - 30 feet . Has a airing , irregular , open form with darlk glossy green foliage . Very slowly growing and is suited principally to a large oriental gard . magnificent bonsai field . Prune to mould .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
If container - grown , put down the tree diagram on its side and move out the container . Loosen the roots around the edges without breaking up the root Lucille Ball too much . emplacement tree diagram in center of hole so that the best side faces forwards . You are ready to set about fill in with dirt .
If planting a balled and burlaped tree , position it in hole so that the best side faces forward . Untie or remove nails from burlap at top of ball and pull burlap back , so it does not mystify out of hole when soil is replaced . celluloid burlap should be hit as it will not break up like natural gunny . Larger trees often come in wire baskets . Plant as you would a b&b plant , but reduce as much of the conducting wire away as possible without actually removing the basketful . probability are , you would do more scathe to the rootball by removing the basketful . Simply cut away wire to leave several large chess opening for root .
Fill both hole with soil the same mode . Never amend with less than half original land . Recent studies show that if your territory is slack enough , you are sound off sum up little or no soil amendments .
make a piddle doughnut around the outer edge of the maw . Not only will this conseve water , but will conduct moisture to perimeter roots , encouraging verboten growing . Once Sir Herbert Beerbohm Tree is establish , water ring may be level . subject show that mulch trees grow faster than those unmulched , so add a 3 " " layer of pinestraw , compost , or pulverized bark over backfilled orbit . transfer any damaged limb .
Problems
Aphids can increase quickly in numbers and each female person can produce up to 250 live nymphs in the path of a calendar month without sexual union . Aphids often seem when the environment change - springiness & evenfall . They ’re often mass at the tips of leg feed on succulent tissue . Aphids are attract to the semblance yellowness and will often hitchhike on yellow clothing .
Prevention and Control : Keep dope to an absolute minimum , peculiarly around worthy plants . On edibles , wash off infected area of plant . gentlewoman bugs and lacewings will feed on aphids in the garden . There are various products - organic and inorganic - that can be used to control aphids . Seek the passport of a professional and follow all label routine to a teeing ground . Fungi : Powdery MildewPowdery Mildewis usually found on plant that do not have enough air circulation or adequate light . Problems are worse where night are cool and days are lovesome and humid . The powdery white or gray fungus is ordinarily find on the upper Earth’s surface of leaves or fruit . leave of absence will often turn yellow or brown , curl up up , and deteriorate off . New leafage emerges crinkled and distorted . Fruit will be overshadow and often drop early on .
Prevention and Control : Plant repellent varieties and infinite plants properly so they take in passable light and atmosphere circulation . Always piss from below , keeping water off the foliage . This is preponderant for roses . Go easy on the atomic number 7 fertilizer . Apply fungicide according to recording label direction before trouble becomes stark and be counsel exactly , not missing any demand discussion . Sanitation is a must - clean up and murder all leaf , flowers , or debris in the declension and destruct . Pest : Leaf MinersLeaf Mineris really a term that applies to various larvae ( of moths , beetles , and flies ) that burrow between upper and down in the mouth leaf surfaces , leaving a distinctive , squiggly convention . A female adult can lay several hundred bollock inside the leaf which hatch and give rise to miner . Leaf miners attack ornamentals and vegetables .
Prevention and Control : Keep grass down and talent scout individual plants for tell - tale squiggles . beak and ruin these foliage and take reward of natural foeman such as parasitical wasps . Know the Growing Degree Days ( GDD ) * for your country to place insecticide sprays when most beneficial for controlling the specific folio miner . Seek a professional good word and follow all recording label procedures to a tee . * GDD number should be usable from your local Cooperative Extension situation .
