‘ St Cecelia ’ is a Modern shrub rose which produces deeply cupped , myrrh scented , blush pink to light apricot flower with humble , matt mid - greenish leafage . repetition blossom summertime and fall . In general , roses are a large chemical group of flowering shrubs , most with flamboyant flowers that are single - petalled to to the full repeat petalled . Leaves are typically average to dark green , glossy , and ovate , with delicately toothed edges . change in size from 1/2 column inch to 6 inch , five flower petal to more than 30 , and in almost every color . Often the flowers are very fragrant . Most varieties get on long cane that sometimes climb . alas , this favorite works is quite susceptible to a potpourri of diseases and pests , many of which can be controlled with good ethnic practices .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep gage down and habituate screening on window to keep them out . Remove or discard infested plants , keep them away from non - infested works . Trap with yellow sticky cards or take vantage of natural enemies such as predatory jot . Sometimes a good steady rain shower of water will launder them off the plant . confer your local garden core professional or county concerted annexe office for legal chemical recommendation . Pest : Spider MitesSpider mitesare minuscule , 8 legged , spider - similar creature which thrive in hot , dry condition ( like heated houses ) . Spider jot feed with piercing mouth parts , which make plants to appear yellow and stippled . Leaf drop and plant life end can occur with heavy plague . Spider mite can multiply speedily , as a female person can lay up to 200 eggs in a life span of 30 24-hour interval . They also produce a WWW which can cover infested leaf and peak .
Prevention and Control : Keep weeds down and remove infested plants . Dry air seems to worsen the problem , so check that plant are regularly watered , specially those preferring high humidness such as tropicals , citrus , or tomatoes . Always hold back young plants prior to bringing them home from the garden center of attention or nursery . Take vantage of natural enemy such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension office , translate and stick with all label direction . Concentrate your elbow grease on the undersides of the leaves as that is where wanderer mites generally hold up . Pest : WhitefliesWhitefliesare small , winged insects that look like tiny moth , which assail many case of plant . The flying adult point prefers the underside of leaves to fertilise and stock . whitefly can multiply speedily as a female person can lie down up to 500 eggs in a life brace of 2 month . If a plant is infest with whitefly , you will see a cloud of take flight worm when the plant is disturb . whitefly can weaken a plant , eventually head to plant expiry if they are not hold in . They can transmit many harmful plant life virus . They also produce a sweetened substance called honeydew ( coveted by emmet ) which can conduct to an untempting black open fungous growth called coal-black mould .
Possible controls : keep weeds down ; use screening in windows to keep them out ; remove infested plant away from non - infested plant ; habituate a reflective mulch ( aluminum enhancer ) under plants ( this repels whiteflies ) ; trap with yellow sticky cards , apply labeled pesticide ; encourage natural enemies such as epenthetic wasps in the garden ; and sometimes a good steady shower of piss will wash them off the plant . Pest : AphidsAphids are small , soft - bodied , slow - moving insects that suck fluid from plants . Aphidscome in many colors , ranging from unripe to Robert Brown to dark , and they may have wings . They attack a encompassing range of plant specie causing stunting , deformed leaves and bud . They can air harmful flora virus with their pierce / sucking mouthparts . Aphids , generally , are merely a pain , since it takes many of them to do serious plant equipment casualty . However aphids do grow a sweet substance called honeydew ( coveted by ants ) which can lead to an untempting black surface outgrowth promise sooty mold .
Aphids can increase quickly in numbers and each female person can bring forth up to 250 hot nymph in the course of a month without mating . Aphids often appear when the environment changes - spring & fall . They ’re often massed at the crest of branches feeding on lush tissue . aphid are attracted to the people of colour yellowness and will often thumb on yellow clothing .
Prevention and Control : Keep Mary Jane to an absolute lower limit , specially around worthy plant . On edible , rinse off infected area of plant . ma’am bugs and lacewings will feed on aphids in the garden . There are various products - constitutional and inorganic - that can be used to control aphids . assay the good word of a professional and follow all label procedures to a golf tee . Fungi : Powdery MildewPowdery Mildewis normally found on plants that do not have enough air circulation or passable brightness level . trouble are worse where nights are coolheaded and days are warm and humid . The powdery ashen or gray-headed fungus is unremarkably found on the upper surface of leave or fruit . Leaves will often turn chickenhearted or brown , wave up , and drop off . New foliage emerges crinkled and distorted . Fruit will be overshadow and often drops early on .
Prevention and Control : imbed resistant varieties and infinite plants right so they experience equal light and melody circulation . Always water from below , keep water system off the leaf . This is paramount for rose wine . Go easy on the nitrogen fertilizer . Apply fungicides according to label directions before job becomes severe and follow steering exactly , not miss any required treatments . Sanitation is a must - clean up and remove all leaves , peak , or debris in the spill and destroy . Pest : CaterpillarsCaterpillars are the unripe form of moth and butterfly . They are voracious feeders attacking a wide change of plants . They can be highly destructive and are characterise as leaf feeders , stem borers , folio roller , cutworms and tent - former .
Prevention and Control : keep mourning band down , scout individual plants and remove caterpillars , apply judge insecticides such as soaps and oils , take vantage of natural foe such as parasitic wasps in the garden and use Bacillus thuringiensis ( biological warfare ) for some caterpillar species . fungus : Black SpotA fuck lift disease , Black Spotappears on youthful leaves as irregular black circles , often have a lily-livered halo . Circles or spore colony may grow to 1/2 inch in diam . leave will turn yellow and drop off , only to produce more leave that will survey the same form . Roses may not make it through the winter if calamitous spot is severe . The fungus will also affect the size and quality of flowers .
Prevention and Control : set resistant varieties for your field . Always water from the ground , never overhead . rehearse ripe sanitisation - clean up and destruct debris , particularly around plant that have had a problem . When snip rosebush , even deadheading , dip pruners in a bleach / piss solution after each cut . If a plant seems to have chronic black spot , get rid of it . A 2 - 3 column inch slurred layer of mulch at the radix of works reduce spatter . Do not wait until inglorious patch is a huge problem to operate ! set about too soon . Spray with a fungicide labeled for black spot on roses . disease : BlightBlights are induce by fungus kingdom or bacteria that kill plant tissue . symptom often show up as the rapid spotting or wilt of leaf . There are many different blights , specific to various plants , each expect a varied method of controller .
Miscellaneous
In milder clime , this process is not necessary , but a serious layer of mulch and continued tearing up to ice and periodically through winter is a good idea . The best time to prune no matter where you live is at the end of the dormant time of year , when buds are beginning to swell . gloss : VirusesViruses , which are smaller than bacteria , are not living and do not replicate on their own . They must rely on the cellular mechanism of their host to copy . Because this greatly disrupts the cell ’s functionality , outbound sign of a viral infection upshot in a plant disease with symptom such as abnormal or scrawny growth , damaged yield , discolorations or spots .
Prevention and Control : Keep virus carriers such as aphid , leafhopper , and thrip under control . These industrial plant feeding insects spread viruses . virus can also be insert by infected pollen or through plant openings ( as when prune ) . Begin bykeeping the pathogen outof your garden . New plants should be contain , as well as tools and existing plants . Use only certified seed that is deemed disease - free . Plant only resistant varietiesandcreate a discouraging environmentby rotating crops , not plant tight related plants in the same sphere every year .
