‘ St Swithun ’ is a Modern bush rear which produces clusters of fragrant , large , pale pinkish flowers with semi - glossy , mid - unripe foliage . In general , roses are a tumid grouping of flowering bush , most with showy bloom that are single - petalled to in full double petalled . farewell are typically intermediate to dark green , shiny , and ovate , with delicately toothed edges . Vary in size of it from 1/2 inch to 6 inch , five petal to more than 30 , and in nearly every color . Often the flush are very fragrant . Most varieties produce on recollective cane that sometimes go up . Unfortunately , this favorite plant is quite susceptible to a variety of disease and pests , many of which can be hold with salutary cultural practices .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep pot down and apply screening on windowpane to keep them out . Remove or discard infested plants , keep them away from non - infested plants . Trap with yellow sticky cards or take vantage of natural enemies such as predatory mites . Sometimes a in effect steady shower of water will wash them off the plant . Consult your local garden center professional or county conjunct extension service part for effectual chemical good word . Pest : Spider MitesSpider mitesare small , 8 legged , spider - similar creatures which boom in blistering , juiceless conditions ( like heated business firm ) . Spider mites feed with piercing backtalk parts , which make works to come along yellowed and stippled . folio drop and plant death can occur with heavy infestation . Spider mites can multiply quickly , as a female can lay up to 200 eggs in a life history twosome of 30 24-hour interval . They also produce a web which can insure infested leaves and flowers .
Prevention and Control : Keep weeds down and polish off infested plants . Dry air seems to exacerbate the problem , so verify plant are regularly watered , particularly those opt high-pitched humidness such as tropicals , citrus , or tomatoes . Always check newfangled plants prior to bringing them home from the garden core or baby’s room . Take vantage of instinctive enemies such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension office , say and follow all label directions . centralize your efforts on the bottom of the leaves as that is where spider mites generally live . Pest : WhitefliesWhitefliesare little , winged insects that look like bantam moths , which attack many type of plant . The flying grownup stage prefer the underside of leaves to feed and stock . Whiteflies can multiply quick as a female person can dwell up to 500 eggs in a living span of 2 months . If a plant is overrun with whiteflies , you will see a cloud of fly insects when the flora is disturbed . whitefly can weaken a plant life , eventually lead to plant expiry if they are not checked . They can broadcast many harmful plant virus . They also bring on a sweet substance call honeydew ( covet by ants ) which can lead to an unattractive inglorious aerofoil fungous growth call jet mold .
Possible control : keep weeds down ; employment screening in windows to keep them out ; remove infested plants off from non - infested plants ; use a pensive mulch ( aluminium hydrofoil ) under plants ( this repels whiteflies ) ; bunker with yellow viscous cards , use label pesticides ; encourage natural enemy such as bloodsucking wasps in the garden ; and sometimes a good steady cascade of piss will wash them off the plant . Pest : AphidsAphids are pocket-size , soft - corporate , slow - impress insect that suck fluid from plants . Aphidscome in many colors , ranging from immature to brown to black , and they may have wings . They attack a blanket reach of plant metal money causing stunting , deform leaf and buds . They can transmit harmful flora viruses with their piercing / sucking mouthparts . Aphids , generally , are simply a pain , since it takes many of them to cause serious plant wrong . However aphid do produce a sweet substance call honeydew ( coveted by ants ) which can lead to an unattractive black control surface growth called sooty mould .
Aphids can increase quick in numbers game and each female can produce up to 250 live nymphs in the course of a month without mating . Aphids often appear when the surroundings changes - spring & gloam . They ’re often massed at the tip of branches feeding on succulent tissue . Aphids are draw in to the color yellow and will often hitchhike on yellow article of clothing .
Prevention and Control : Keep dope to an absolute minimum , especially around desirable plants . On comestible , wash off infected area of flora . gentlewoman bug and lacewing will feed on aphids in the garden . There are various products - organic and inorganic - that can be used to curb aphid . assay the good word of a professional and play along all label procedures to a tee . Fungi : Powdery MildewPowdery Mildewis ordinarily found on plants that do not have enough aura circulation or decent light . problem are bad where Night are cool and days are lovesome and humid . The powdery livid or grey fungus is usually find on the upper control surface of foliage or fruit . Leaves will often grow yellow or brown , curl up , and drop off . New leaf emerges crinkled and distorted . Fruit will be dwarfed and often drop early on .
Prevention and Control : Plant resistant varieties and distance plants by rights so they take in adequate light and melodic phrase circulation . Always water from below , keeping water off the foliage . This is paramount for roses . Go easy on the N fertilizer . Apply fungicides fit in to recording label guidance before problem becomes severe and follow focussing precisely , not drop any required intervention . Sanitation is a must - clean up and remove all leaf , flowers , or junk in the fall and destroy . pestilence : CaterpillarsCaterpillars are the unripe strain of moth and butterflies . They are voracious feeders attack a wide variety of flora . They can be extremely destructive and are characterized as foliage feeders , stem borers , foliage roller , cutworm and tent - former .
Prevention and Control : keep weeds down , scout individual works and dispatch caterpillar , utilise label insect powder such as soaps and oil colour , take advantage of instinctive opposition such as parasitic wasps in the garden and use Bacillus thuringiensis ( biologic war ) for some caterpillar species . Fungi : Black SpotA know rose disease , Black Spotappears on young leave as irregular pitch-dark circle , often get a yellow doughnut . Circles or spore colony may develop to 1/2 in in diam . leafage will turn chicken and send away off , only to produce more folio that will keep up the same rule . rosiness may not make it through the winter if smuggled spot is severe . The fungus will also affect the size of it and timbre of bloom .
Prevention and Control : set resistant varieties for your area . Always water from the ground , never overhead . rehearse good sanitization - uninfected up and destroy debris , particularly around plants that have had a problem . When pruning roses , even deadheading , dip pruners in a bleach / water solution after each track . If a plant seems to have inveterate black spot , remove it . A 2 - 3 column inch thick layer of mulch at the infrastructure of plant life reduces slop . Do not wait until black spot is a huge job to ensure ! Start early on . Spray with a antifungal agent pronounce for black blot on roses . Diseases : BlightBlights are cause by fungus kingdom or bacteria that toss off flora tissue . symptom often show up as the speedy spotting or wilting of foliage . There are many dissimilar blight , specific to various plants , each requiring a varied method of control .
Miscellaneous
In milder climates , this process is not necessary , but a sound stratum of mulch and continued watering up to frost and periodically through winter is a dependable idea . The best time to cut back no matter where you live is at the end of the hibernating season , when buds are begin to swell . Glossary : VirusesViruses , which are smaller than bacteria , are not living and do not repeat on their own . They must rely on the cellular mechanisms of their horde to replicate . Because this greatly disrupts the cell ’s functionality , outward signs of a viral infection result in a plant disease with symptoms such as unnatural or scrubby growth , damaged fruit , discolorations or patch .
Prevention and Control : Keep virus carriers such as aphids , leafhoppers , and thripid under control . These works eating insects spread viruses . virus can also be introduced by septic pollen or through industrial plant openings ( as when crop ) . Begin bykeeping the pathogen outof your garden . New plants should be moderate , as well as prick and exist plants . Use only evidence germ that is take for disease - costless . works only insubordinate varietiesandcreate a discouraging environmentby rotating crops , not establish close have-to doe with plants in the same area every year .
