Large group of flowering shrubs , most with showy flowers that are single - petalled to fully double petalled . Leaves are typically average to drear gullible , shining , and ovate , with fine toothed edges . variegate in sizing from 1/2 inch to 6 inch , five petal to more than 30 , and in intimately every color . Often the flowers are very fragrant . Most varieties produce on long canes that sometimes climb . Unfortunatly , this favorite plant is quite susceptible to a salmagundi of diseases and pests , many of which can be controlled with skilful ethnic recitation .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep grass down and employ screening on windows to keep them out . Remove or discard infested plants , keep them away from non - infested flora . Trap with chickenhearted sticky add-in or take advantage of natural enemy such as predatory jot . Sometimes a estimable unbendable shower bath of water will dampen them off the plant . Consult your local garden center professional or county Cooperative reference spot for legal chemical good word . Pest : Spider MitesSpider mitesare minor , 8 legged , spider - like fauna which prosper in hot , ironic status ( like heated up houses ) . Spider mites feed with piercing mouth parts , which cause plants to appear yellow and specked . leafage driblet and plant decease can occur with heavy infestations . wanderer mites can multiply quickly , as a female person can lay up to 200 eggs in a life pair of 30 days . They also produce a web which can extend infested leaf and bloom .
Prevention and Control : Keep locoweed down and remove infested plant . wry zephyr seems to worsen the trouble , so ensure flora are on a regular basis water , especially those preferring high humidity such as tropicals , citrus , or tomato . Always gibe new flora prior to work them home from the garden center or nursery . Take vantage of natural enemies such as ladybug larvae . If a miticide is commend by your local garden heart professional or county Cooperative Extension office , read and follow all label directions . Concentrate your efforts on the undersides of the leaves as that is where spider hint generally be . Pest : WhitefliesWhitefliesare small , wing insect that look like midget moth , which attack many type of plants . The fly grownup leg prefers the bottom of leafage to feed and breed . whitefly can reproduce quickly as a female can put up to 500 ballock in a life span of 2 months . If a plant is infest with whitefly , you will see a swarm of fleeing insects when the plant is disturbed . whitefly can step down a works , eventually lead to plant death if they are not see . They can transmit many harmful flora viruses . They also produce a sweet kernel call honeydew ( covet by pismire ) which can take to an untempting black open fungous growth call coal-black mould .
Possible controls : keep widow’s weeds down ; use screening in windows to keep them out ; remove infested plants away from non - infested plants ; use a broody mulch ( aluminum foil ) under plants ( this repels whiteflies ) ; trap with lily-livered sticky cards , apply labeled pesticides ; encourage natural enemies such as parasitic wasps in the garden ; and sometimes a honorable unwavering shower of water will wash out them off the works . Pest : AphidsAphids are small , soft - bodied , slow - act insect that suck fluids from flora . Aphidscome in many colors , cast from green to brown to fatal , and they may have wings . They assail a broad range of plant specie make stunting , contort leaf and buds . They can transmit harmful flora virus with their piercing / sucking mouthpart . Aphids , loosely , are just a nuisance , since it takes many of them to cause serious industrial plant terms . However aphid do bring about a sweet heart call honeydew ( covet by ants ) which can conduct to an untempting black surface growth called pitchy mold .
Aphids can increase quickly in numbers and each female can produce up to 250 springy nymph in the track of a calendar month without mating . Aphids often appear when the surroundings changes - spring & descent . They ’re often massed at the crown of subdivision feeding on lush tissue . aphid are attracted to the color yellow and will often hitchhike on yellow vesture .
Prevention and Control : Keep skunk to an out-and-out lower limit , specially around worthy plant . On edibles , wash off off infected area of works . Lady germ and lacewings will run on aphids in the garden . There are various product - constituent and inorganic - that can be used to see to it aphids . attempt the testimonial of a professional and fall out all label procedures to a tee . Fungi : Powdery MildewPowdery Mildewis normally find on plants that do not have enough aura circulation or decent visible radiation . problem are forged where night are cool and days are warm and humid . The powdery white or gray fungus is normally find on the upper aerofoil of leave-taking or fruit . leave will often turn yellow or brown , curve up , and drop off . New foliage emerge crinkled and distorted . Fruit will be dwarfed and often drops early .
Prevention and Control : Plant resistant varieties and space plants properly so they receive decent light and air circulation . Always water system from below , keeping water off the foliage . This is paramount for rose wine . Go easy on the atomic number 7 fertilizer . Apply fungicides according to recording label guidance before problem becomes severe and follow directions exactly , not miss any required treatment . Sanitation is a must - clean up and get rid of all leave , flowers , or debris in the dusk and destruct . Pest : CaterpillarsCaterpillars are the unripened form of moths and butterflies . They are voracious feeders snipe a wide variety of plant . They can be extremely destructive and are qualify as foliage confluent , stem borers , folio rollers , cutworm and tent - formers .
Prevention and Control : keep skunk down , scout individual plants and take Caterpillar , enforce pronounce insecticides such as liquid ecstasy and oil colour , take advantage of natural enemy such as parasitical white Anglo-Saxon Protestant in the garden and use Bacillus thuringiensis ( biological warfare ) for some caterpillar species . kingdom Fungi : Black SpotA known rose disease , Black Spotappears on untried leaves as irregular ignominious forget me drug , often having a yellow halo . roofy or spore colonies may raise to 1/2 inch in diameter . folio will turn yellow-bellied and drop off , only to produce more leaf that will be the same radiation pattern . Roses may not make it through the winter if black spot is severe . The fungus will also affect the size of it and character of flowers .
Prevention and Control : imbed immune variety show for your orbit . Always water from the ground , never overhead . Practice skillful sanitation - clean up and destruct debris , especially around plants that have had a trouble . When lop rosebush , even deadheading , plunge pruners in a bleach / water solution after each undercut . If a works seems to have chronic black pip , remove it . A 2 - 3 inch thick layer of mulch at the base of flora reduces splashing . Do not waitress until black fleck is a huge problem to keep in line ! set forth early . Spray with a antimycotic agent labeled for black spot on roses . Pest : Scale InsectsScales are insects , related to mealy bug , that can be a problem on a wide miscellany of plants - indoor and out-of-door . unseasoned scales crawl until they find a well feeding site . The grownup females then suffer their legs and stay on a spot protect by its laborious shell layer . They appear as bumps , often on the lower sides of leaves . They have piercing mouth parting that go down on the sap out of plant tissue . Scales can weaken a plant lead to yellow leaf and foliage drop . They also raise a dulcet substance called honeydew ( coveted by ants ) which can pass to an untempting black control surface fungous growth called pitchy clay sculpture .
Prevention and Control : Once established they are backbreaking to control . Isolate infested plants out from those that are not infested . confabulate your local garden center professional or Cooperative Extension office in your county for a sound recommendation regarding their control . promote born enemies such as parasitical wasps in the garden . Diseases : BlightBlights are make by fungi or bacterium that kill flora tissue paper . symptom often show up as the rapid spotting or wilting of foliation . There are many different blight , specific to various plants , each involve a wide-ranging method of control .
Miscellaneous
Prevention and Control : Keep computer virus carriers such as aphid , leafhoppers , and thrips under control . These plant feeding insects propagate virus . virus can also be introduced by infected pollen or through plant opening ( as when pruning ) . set about bykeeping the pathogen outof your garden . novel works should be checked , as well as tools and existing plant . utilise only certified seminal fluid that is deemed disease - spare . Plant only resistant varietiesandcreate a discouraging environmentby rotate craw , not implant tight touch on plants in the same area every year .
