‘ The Alexandra Rose ’ is a Modern shrub arise which produces large cluster of medium sizing , somewhat fragrant flowers that are yellowish towards the center and rise red-faced towards the petal rims . They fade to move up pink as the flowers years . Foliage is mid - gullible , semi - glossy leaves . Blooms throughout summertime and fall . In general , roses are a large group of flowering shrubs , most with showy flower that are single - petalled to fully double petalled . Leaves are typically average to sullen green , glossy , and ovate , with delicately toothed edge . Vary in sizing from 1/2 inch to 6 column inch , five petals to more than 30 , and in nearly every color . Often the flowers are very fragrant . Most mixture grow on long cane that sometimes climb up . alas , this best-loved plant is quite susceptible to a variety of diseases and cuss , 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 weeds down and utilise screening on window to keep them out . dispatch or discard infested plants , keep them away from non - infested plant . Trap with yellow sticky cards or take advantage of born enemies such as predatory mites . Sometimes a safe unwavering shower of water will wash them off the plant . confer with your local garden center professional or county Cooperative elongation office for effectual chemical recommendations . Pest : Spider MitesSpider mitesare small , 8 legged , wanderer - like tool which thrive in hot , dry consideration ( like heated houses ) . Spider jot feed with piercing mouth function , which cause plants to appear yellow and stippled . Leaf drop-off and works death can hap with heavy infestations . wanderer mite can reproduce quickly , as a female can lay up to 200 orchis in a life span of 30 day . They also produce a web which can cover up infested leaves and flowers .
Prevention and Control : Keep weeds down and remove infested plants . Dry air seems to worsen the problem , so ensure industrial plant are on a regular basis water , especially those preferring gamy humidity such as tropicals , citrus fruit , or tomatoes . Always check newfangled plants prior to bringing them home from the garden center or nursery . Take advantage of instinctive enemies such as ladybug larvae . If a miticide is recommended by your local garden meat professional or county Cooperative Extension place , read and follow all recording label charge . Concentrate your efforts on the undersides of the leaves as that is where spider mite generally inhabit . Pest : WhitefliesWhitefliesare small , winged insects that depend like tiny moth , which attack many types of plants . The flying adult stage prefers the underside of leaves to feed and breed . whitefly can multiply quickly as a female person can lie up to 500 eggs in a life yoke of 2 month . If a flora is infest with whiteflies , you will see a cloud of fleeing insects when the works is disturbed . Whiteflies can weaken a industrial plant , finally leading to plant death if they are not checked . They can transmit many harmful plant viruses . They also make a sweet means squall honeydew ( coveted by ants ) which can lead to an unattractive black surface fungal outgrowth called jet cast .
Possible controls : keep weeds down ; utilization sort in windowpane to keep them out ; dispatch overrun plants away from non - infested plants ; use a contemplative mulch ( aluminum enhancer ) under industrial plant ( this repels whiteflies ) ; trap with icteric embarrassing cards , apply labeled pesticides ; encourage natural enemy such as parasitic wasps in the garden ; and sometimes a good unshakable shower of water will lap them off the plant . Pest : AphidsAphids are small , soft - bodied , easy - moving insects that soak up fluids from plant life . Aphidscome in many colors , ranging from green to brown to sinister , and they may have wings . They attack a broad range of plant metal money causing stunting , distort leaves and buds . They can conduct harmful plant virus with their pierce / suck mouthparts . Aphids , generally , are merely a pain in the neck , since it take many of them to cause serious works scathe . However aphid do produce a odorous centre call honeydew ( coveted by pismire ) which can guide to an unattractive black airfoil emergence called sooty mold .
Aphids can increase quick in number and each female person can produce up to 250 unrecorded nymph in the course of a calendar month without conjugation . Aphids often seem when the environment changes - leaping & fall . They ’re often massed at the tips of offset give on lush tissue paper . Aphids are attracted to the color yellowness and will often thumb on icteric clothing .
Prevention and Control : Keep gage to an absolute minimum , specially around worthy plants . On victual , dampen off infected area of plant . Lady bugs and lacewing fly will run on aphids in the garden . There are various products - organic and inorganic - that can be used to control aphids . Seek the recommendation of a professional and follow all label operation to a football tee . Fungi : Powdery MildewPowdery Mildewis unremarkably recover on plant that do not have enough aviation circulation or adequate light . problem are bad where Nox are cool and days are warm and humid . The powdery blanched or gray fungus is usually found on the upper open of leaves or yield . Leaves will often become yellow or chocolate-brown , draw in up , and drop off . New foliage emerge crinkle and ill-shapen . Fruit will be dwarfed and often drops early .
Prevention and Control : Plant resistant variety and space plants properly so they receive adequate light and strain circulation . Always urine from below , maintain piddle off the foliage . This is preponderating for pink wine . Go easy on the nitrogen fertilizer . put on fungicides accord to label directions before problem becomes dangerous and follow directions exactly , not missing any require treatments . Sanitation is a must - scavenge up and remove all leafage , flowers , or debris in the spill and put down . pesterer : CaterpillarsCaterpillars are the unripened manakin of moth and butterflies . They are voracious feeder round a wide variety of plants . They can be extremely destructive and are characterized as leaf feeders , stem borers , leaf roller , cutworms and tent - former .
Prevention and Control : keep weed down , lookout individual plant and take caterpillars , apply labeled insecticide such as soap and oils , take advantage of natural enemy such as parasitical white Anglo-Saxon Protestant in the garden and practice Bacillus thuringiensis ( biological war ) for some caterpillar species . Fungi : Black SpotA known grow disease , Black Spotappears on young leaves as irregular blackened lap , often having a yellow aureole . circle or spore colonies may grow to 1/2 in in diameter . leafage will ferment yellow and drop off , only to produce more leave of absence that will follow the same approach pattern . Roses may not make it through the winter if black spot is severe . The fungus will also dissemble the size and quality of bloom .
Prevention and Control : implant resistive varieties for your sphere . Always H2O from the ground , never overhead . Practice good sanitation - neat up and destroy detritus , especially around plant that have had a problem . When snip roses , even deadheading , plunge pruners in a bleach / water system root after each cut . If a plant seems to have continuing black blot , move out it . A 2 - 3 inch thick layer of mulch at the base of industrial plant reduces splash . Do not wait until black spot is a immense problem to ascertain ! Start early . Spray with a fungicide mark for black spot on rosiness . disease : BlightBlights are do by fungi or bacteria that kill plant tissue paper . Symptoms often show up as the rapid spotting or wilting of foliage . There are many dissimilar blights , specific to various plant , each requiring a wide-ranging method of dominance .
Miscellaneous
In milder climates , this process is not necessary , but a good layer of mulch and continued lachrymation up to frost 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 bud are beginning to well up . Glossary : VirusesViruses , which are smaller than bacterium , are not be and do not replicate on their own . They must rely on the cellular mechanism of their hosts to replicate . Because this greatly disrupt the cell ’s functionality , outward signs of a viral infection result in a plant disease with symptom such as abnormal or scrawny growth , damage yield , discolorations or speckle .
Prevention and Control : Keep virus carriers such as aphid , leafhopper , and thrips under control . These flora alimentation insects spread viruses . virus can also be introduced by infected pollen or through flora openings ( as when dress ) . start bykeeping the pathogen outof your garden . New plants should be checked , as well as cock and existing industrial plant . Use only certified seed that is hold disease - spare . works only insubordinate varietiesandcreate a discouraging environmentby rotating crops , not planting closely related plants in the same field every year .
