‘ Wenlock ’ is a Modern shrub rose which create marvelously fragrant , fully twofold , crimson - red flower with prominent green leaves . In cosmopolitan , roses are a large mathematical group of flowering shrubs , most with showy blossom that are single - petalled to fully reduplicate petalled . Leaves are typically medium to dark greenish , glossy , and ovate , with finely toothed edges . Vary in sizing from 1/2 inch to 6 inches , five petals to more than 30 , and in most every color . Often the bloom are very fragrant . Most varieties grow on retentive canes that sometimes mount . Unfortunately , this favorite industrial plant is quite susceptible to a variety of disease and pests , many of which can be controlled with good cultural practices .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep widow’s weeds down and use test on windows to keep them out . move out or discard infest flora , keep them away from non - infested plants . Trap with yellow embarrassing placard or take advantage of instinctive enemy such as predatory hint . Sometimes a good steady shower bath of water will wash off them off the plant life . Consult your local garden sum professional or county Cooperative extension bureau for legal chemic recommendations . Pest : Spider MitesSpider mitesare pocket-size , 8 legged , wanderer - like creatures which thrive in raging , dry conditions ( like heated houses ) . Spider mites feed with thrust mouth parts , which make plant to come along yellow and stippled . Leaf drib and flora death can occur with weighty infestation . Spider mites can multiply quickly , as a female can lay up to 200 eggs in a life twosome of 30 days . They also get a web which can extend infested leaves and flowers .
Prevention and Control : Keep green goddess down and remove infested plants . ironic air seems to decline the problem , so ensure plants are regularly watered , especially those preferring high-pitched humidness such as tropicals , citrus , or tomatoes . Always check new plant prior to bringing them home from the garden center or nursery . Take reward of natural enemies such as ladybug larvae . If a miticide is advocate by your local garden heart professional or county Cooperative Extension office , read and survey all label directions . Concentrate your efforts on the undersides of the leaves as that is where wanderer mites generally hold out . Pest : WhitefliesWhitefliesare small , fly insects that bet like tiny moths , which attack many type of plants . The fly grownup stage prefers the underside of farewell to run and strain . Whiteflies can procreate quickly as a female can lay up to 500 eggs in a life span of 2 months . If a industrial plant is infest with whitefly , you will see a cloud of fleeing insects when the flora is disturb . whitefly can de-escalate a plant , finally lead to imbed death if they are not checked . They can convey many harmful plant life virus . They also bring forth a sweet substance called honeydew ( coveted by ants ) which can top to an unattractive calamitous surface fungal growth called jet-black mold .
Possible controls : keep Mary Jane down ; manipulation screening in windows to keep them out ; remove infested industrial plant aside from non - infested plants ; use a meditative mulch ( aluminum foil ) under plants ( this repels whiteflies ) ; trap with yellow unenviable cards , use judge pesticides ; advance natural enemies such as parasitic white Anglo-Saxon Protestant in the garden ; and sometimes a honest unfluctuating shower of water will wash them off the plant . Pest : AphidsAphids are small , subdued - bodied , slow - moving insects that suck fluids from plants . Aphidscome in many coloring material , array from unripened to brownness to contraband , and they may have annex . They snipe a full reach of flora specie causing stunting , deformed leave of absence and buds . They can transmit harmful plant computer virus with their pierce / sucking mouthpart . Aphids , in general , are merely a pain , since it takes many of them to make serious industrial plant damage . However aphids do make a sweet substance hollo honeydew ( coveted by pismire ) which can result to an unattractive black surface maturation called pitchy mold .
Aphids can increase quickly in numbers and each female person can produce up to 250 live nymphs in the course of a calendar month without pairing . Aphids often appear when the surround change - spring & fall . They ’re often massed at the tip of branches feed on lush tissue paper . aphid are pull in to the color yellow and will often hitchhike on yellow article of clothing .
Prevention and Control : Keep sens to an infrangible lower limit , especially around worthy plant . On edibles , wash off infect area of flora . peeress bugs and lacewings will feed in on aphids in the garden . There are various production - organic and inorganic - that can be used to control aphids . Seek the testimonial of a professional and observe all label procedures to a tee . Fungi : Powdery MildewPowdery Mildewis normally found on plants that do not have enough melody circulation or adequate light . Problems are spoiled where nights are nerveless and day are fond and humid . The powdery white or gray fungus is unremarkably find on the upper surface of leaf or fruit . leave will often ferment chickenhearted or brownish , wave up , and drop off . New foliage emerges crinkled and distorted . Fruit will be dwarfed and often drop early .
Prevention and Control : Plant resistant varieties and outer space plants properly so they encounter adequate Christ Within and air circulation . Always water from below , keeping water off the foliage . This is preponderant for rose wine . Go slowly on the atomic number 7 fertiliser . Apply fungicides according to label directions before job becomes terrible and follow management exactly , not miss any required treatments . Sanitation is a must - clean house up and remove all folio , flowers , or rubble in the fall and destroy . Pest : CaterpillarsCaterpillars are the unfledged form of moths and butterfly . They are ravenous feeder attacking a wide form of plants . They can be highly destructive and are characterized as leaf bird feeder , stem borers , leafage rollers , cutworm and tent - former .
Prevention and Control : keep gage down , scout individual plants and remove caterpillars , apply labeled insect powder such as grievous bodily harm and oils , take advantage of natural foe such as parasitic wasps in the garden and apply Bacillus thuringiensis ( biological warfare ) for some caterpillar species . fungus kingdom : Black SpotA known rose disease , Black Spotappears on young leave as atypical pitch-black R-2 , often deliver a yellow anchor ring . rotary or spore colonies may grow to 1/2 inch in diam . Leaves will wrick chicken and drop off , only to produce more leaf that will take after the same formula . rose may not make it through the winter if black spot is severe . The fungus will also sham the sizing and character of bloom .
Prevention and Control : Plant resistant diversity for your area . Always water from the ground , never overhead . commit good sanitation - fair up and destroy debris , especially around plants that have had a problem . When pruning roses , even deadheading , dip pruners in a whitener / water solvent after each undercut . If a flora seems to have chronic fatal spot , remove it . A 2 - 3 in thick bed of mulch at the base of works reduce splashing . Do not wait until bleak spot is a immense problem to control ! set about betimes . Spray with a fungicide labeled for contraband spot on blush wine . disease : BlightBlights are cause by kingdom Fungi or bacteria that pour down plant life tissue . symptom often show up as the speedy maculation or wilting of leaf . There are many unlike blight , specific to various plants , each requiring a wide-ranging method of control .
Miscellaneous
In milder climate , this process is not necessary , but a safe level of mulch and continued watering up to frost and sporadically through winter is a good estimation . The best time to prune no matter where you live is at the destruction of the dormant time of year , when buds are start to swell . gloss : VirusesViruses , which are smaller than bacteria , are not living and do not retroflex on their own . They must rely on the cellular mechanism of their hosts to reduplicate . Because this greatly disrupts the cell ’s functionality , outward-bound signs of a viral infection outcome in a plant life disease with symptom such as abnormal or stunted growth , damaged fruit , discoloration or spots .
Prevention and Control : Keep computer virus carrier such as aphids , leafhoppers , and thrips under control . These plant alimentation insects spread computer virus . Viruses can also be introduced by infected pollen or through flora opening ( as when pruning ) . start bykeeping the pathogen outof your garden . New plant should be check , as well as tool and existing plant . Use only certified seed that is deemed disease - gratis . Plant only repellent varietiesandcreate a discouraging environmentby rotating crop , not planting closely related industrial plant in the same area every year .
