‘ Roseraie de l’Hay ’ is a Hybrid Rugosa rose which produces cluster of fragrant , vivid crimson - purple bloom with emollient stamens . The fragrancy is a concentration of clovers and honey . In oecumenical , roses are a heavy grouping of flowering shrubs , most with splashy blossom that are single - petalled to fully duplicate petalled . leave of absence are typically medium to dark green , showy , and ovate , with delicately toothed edges . diverge in size from 1/2 inch to 6 inches , five petals to more than 30 , and in most every color . Often the flowers are very fragrant . Most diverseness rise on farseeing canes that sometimes climb . alas , this favorite works is quite susceptible to a diversity of diseases and pests , many of which can be controlled with right cultural practices .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep weeds down and use block out on windows to keep them out . absent or discard infested plants , keep them by from non - infested plant . Trap with icteric sticky cards or take advantage of natural enemy such as predatory mites . Sometimes a good unfluctuating shower of piddle will wash them off the plant . Consult your local garden center professional or county Cooperative extension office for legal chemical good word . Pest : Spider MitesSpider mitesare small , 8 legged , spider - comparable creatures which thrive in blistering , dry conditions ( like heated up house ) . Spider touch feed with pierce mouth parts , which make plants to come along yellow and stippled . Leaf drop and plant destruction can come about with profound infestations . wanderer mites can manifold quickly , as a female person can lay up to 200 eggs in a lifespan span of 30 days . They also produce a web which can track infested leaves and blossom .
Prevention and Control : Keep weeds down and remove infested plants . ironic air seems to worsen the job , so ensure flora are regularly watered , especially those preferring high humidness such as tropicals , citrus , or tomatoes . Always check new plants prior to bringing them home from the garden centre or nursery . Take vantage of innate foeman such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension office , learn and conform to all label directions . condense your efforts on the undersurface of the leaves as that is where spider mite generally live . Pest : WhitefliesWhitefliesare small , fly insects that attend like flyspeck moths , which assault many type of plants . The flying grownup stage prefers the underside of folio to feed and strain . whitefly can manifold quickly as a female can lay up to 500 eggs in a life sentence duad of 2 month . If a plant is invade with whiteflies , you will see a cloud of fleeing insects when the plant is disturbed . Whiteflies can sabotage a plant , eventually leading to engraft decease if they are not go over . They can transmit many harmful plant virus . They also produce a sweet substance called honeydew ( coveted by ants ) which can result to an untempting pitch-black aerofoil fungal growth call sooty mold .
Possible controls : keep mourning band down ; use screening in window to keep them out ; remove infest plant out from non - infested plants ; use a reflective mulch ( aluminum foil ) under plants ( this repels whitefly ) ; trap with yellow sticky cards , apply labeled pesticide ; encourage natural enemies such as parasitic WASP in the garden ; and sometimes a good stiff shower of piss will wash them off the works . Pest : AphidsAphids are little , soft - incarnate , tardily - move insects that suck fluids from plant . Aphidscome in many colors , ranging from gullible to brown to black , and they may have wings . They attack a wide range of works species cause stunt flying , deformed leaves and bud . They can transmit harmful plant virus with their pierce / take up mouthparts . Aphids , generally , are merely a pain , since it takes many of them to cause serious plant damage . However aphid do produce a sweet essence call honeydew ( coveted by ants ) which can pass to an untempting black surface ontogenesis call jet-black mold .
Aphids can increase chop-chop in numbers and each female person can produce up to 250 live nymphs in the course of a calendar month without mating . Aphids often seem when the environment exchange - spring & fall . They ’re often massed at the tip of branches feeding on succulent tissue paper . aphid are attracted to the color yellow and will often hitchhike on yellow wear .
Prevention and Control : Keep weeds to an sheer lower limit , especially around desirable plant life . On edibles , wash off infect arena of industrial plant . Lady bugs and lacewings will flow on aphids in the garden . There are various products - organic and inorganic - that can be used to control aphids . search the recommendation of a professional and follow all recording label procedures to a tee . Fungi : Powdery MildewPowdery Mildewis usually found on industrial plant that do not have enough melodic phrase circulation or adequate light . Problems are worse where nights are coolheaded and days are warm and humid . The powdery white-hot or gray fungus is usually obtain on the upper surface of leaves or yield . leave will often turn yellow or brown , wave up , and drop off . New leaf emerge crinkled and deformed . Fruit will be dwarfed and often throw early on .
Prevention and Control : Plant resistant salmagundi and space plant life by rights so they receive equal ignitor and zephyr circulation . Always water from below , keeping water off the foliage . This is paramount for rose . Go slow on the nitrogen plant food . Apply antifungal agent fit in to label directions before job becomes severe and espouse directions exactly , not missing any require treatment . Sanitation is a must - make clean up and remove all leaves , flowers , or debris in the dip and destroy . Pest : CaterpillarsCaterpillars are the immature mannequin of moth and butterflies . They are voracious feeders assail a wide form of industrial plant . They can be highly destructive and are characterise as leafage self-feeder , stem borers , folio roller , cutworm and tent - former .
Prevention and Control : keep widow’s weeds down , scout individual plants and absent caterpillars , apply labeled insecticides such as soap and crude , take advantage of natural enemies such as parasitic wasps in the garden and use Bacillus thuringiensis ( biological war ) for some caterpillar species . fungus kingdom : Black SpotA known rose disease , Black Spotappears on young leaves as irregular black set , often having a yellow halo . dress circle or spore colony may grow to 1/2 column inch in diameter . Leaves will deform xanthous and drop off , only to produce more leaf that will follow the same blueprint . Roses may not make it through the winter if calamitous spot is severe . The fungus will also affect the sizing and quality of flower .
Prevention and Control : Plant resistant change for your surface area . Always water from the ground , never overhead . Practice good sanitation - clean up and put down debris , especially around plants that have had a trouble . When pruning rose , even deadheading , dip pruners in a whitener / weewee solution after each track . If a works seems to have chronic black spot , remove it . A 2 - 3 inch thick layer of mulch at the alkali of works reduce squelch . Do not wait until black blot is a vast job to master ! Start early . Spray with a fungicide mark for black spot on roses . disease : BlightBlights are cause by kingdom Fungi or bacterium that kill plant life tissue . Symptoms often show up as the speedy spotting or wilting of foliation . There are many dissimilar blights , specific to various plant , each requiring a wide-ranging method of control .
Miscellaneous
In milder climate , this process is not necessary , but a good stratum of mulch and continued tearing up to frost and periodically through winter is a good idea . The safe time to rationalize no matter where you live is at the ending of the abeyant time of year , when buds are start to well up . gloss : VirusesViruses , which are small than bacteria , are not living and do not replicate on their own . They must swear on the cellular mechanism of their legion to replicate . Because this greatly disrupts the cell ’s functionality , outward signs of a viral infection result in a plant disease with symptom such as abnormal or scrubby growth , damaged yield , discolorations or spot .
Prevention and Control : Keep virus carriers such as aphids , leafhoppers , and thrips under control . These plant life feeding insects disperse viruses . virus can also be inclose by infected pollen or through plant openings ( as when pruning ) . commence bykeeping the pathogen outof your garden . New plants should be checked , as well as tool and survive plants . Use only certified seeded player that is deemed disease - complimentary . industrial plant only resistant varietiesandcreate a discouraging environmentby rotating crop , not planting closely link up works in the same area every year .
