‘ San Diego ’ is a Hybrid Tea rose which produces with child , high - centered light chicken flowers with leathery , green foliage . In universal , roses are a large grouping of flowering shrubs , most with showy flowers that are single - petalled to amply double petalled . Leaves are typically average to sorry green , glossy , and ovate , with fine toothed edges . Vary in size from 1/2 in to 6 in , five flower petal to more than 30 , and in nearly every colouration . Often the flowers are very fragrant . Most varieties get on foresighted canes that sometimes climb . regrettably , this preferent plant is quite susceptible to a kind of disease and pests , many of which can be controlled with respectable cultural practices .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep pot down and utilize screening on windows to keep them out . Remove or discard infested industrial plant , keep them aside from non - infested plants . Trap with lily-livered steamy card or take reward of natural enemies such as predatory mites . Sometimes a good unfaltering shower of water will launder them off the plant . Consult your local garden center professional or county accommodative annex office for legal chemical recommendations . Pest : Spider MitesSpider mitesare small , 8 legged , spider - alike creatures which thrive in hot , dry conditions ( like heated up houses ) . Spider mites run with piercing sass parts , which cause plants to appear sensationalistic and dotted . folio drop and plant death can fall out with heavy infestations . wanderer mites can multiply quickly , as a female person can lie in up to 200 testicle in a life duo of 30 days . They also produce a web which can cover infested leaves and flowers .
Prevention and Control : Keep widow’s weeds down and remove infested works . Dry line seems to decline the job , so verify plants are on a regular basis water , especially those preferring high humidness such as tropicals , citrus tree , or tomatoes . Always check raw plants prior to take them home from the garden shopping centre or glasshouse . Take advantage of natural enemies such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension federal agency , read and come after all label directions . pore your efforts on the bottom of the leaves as that is where spider mite generally live . Pest : WhitefliesWhitefliesare minuscule , wing louse that look like lilliputian moths , which attack many types of plant . The take flight grownup point prefers the bottom of leaves to course and breed . whitefly can procreate chop-chop as a female person can lay up to 500 eggs in a lifetime span of 2 month . If a plant is infest with whiteflies , you will see a cloud of take flight insect when the plant is disturbed . whitefly can weaken a works , eventually leading to constitute death if they are not checked . They can transmit many harmful plant viruses . They also produce a angelical subject matter called honeydew ( coveted by ants ) which can lead to an untempting black surface fungal growth anticipate sooty cast .
potential controls : keep pot down ; economic consumption screen in windows to keep them out ; remove invade plants away from non - infested plants ; apply a contemplative mulch ( aluminum foil ) under plants ( this repels whiteflies ) ; trap with yellow viscid bill , apply tag pesticides ; boost natural enemy such as parasitic wasps in the garden ; and sometimes a unspoiled steady shower of body of water will wash them off the plant life . Pest : AphidsAphids are low , soft - bodied , slow - move dirt ball that suck fluid from flora . Aphidscome in many colors , ranging from green to brown to pitch-dark , and they may have wing . They attack a wide range of plant specie causing stunting , deformed leaves and bud . They can convey harmful plant viruses with their pierce / sucking mouthpart . Aphids , generally , are merely a nuisance , since it takes many of them to cause serious plant damage . However aphid do give rise a sweet meat called honeydew ( coveted by emmet ) which can lead to an unattractive bleak surface growth called coal-black molding .
Aphids can increase apace in numbers and each female can produce up to 250 unrecorded nymphs in the row of a calendar month without mating . Aphids often appear when the environment changes - spring & fall . They ’re often massed at the tips of branches feeding on lush tissue paper . Aphids are attract to the color yellowness and will often hitch on yellow clothing .
Prevention and Control : Keep weeds to an sheer lower limit , specially around suitable industrial plant . On edible , wash off infected area of industrial plant . Lady bugs and lacewing will feed on aphid in the garden . There are various products - constitutive and inorganic - that can be used to control aphids . search the recommendation of a professional and follow all recording label function to a tee . Fungi : Powdery MildewPowdery Mildewis usually ascertain on flora that do not have enough air circulation or adequate light . problem are big where night are cool and days are warm and humid . The powdery white or gray fungus is usually chance on the upper open of leaves or yield . leave will often turn yellow or brown , curl up , and drop off . unexampled leafage emerges crinkled and deformed . Fruit will be dwarfed and often expend ahead of time .
Prevention and Control : Plant resistant varieties and space plant properly so they obtain tolerable light and air circulation . Always piddle from below , keep water off the foliage . This is paramount for roses . Go tardily on the N fertilizer . Apply antifungal agent accord to label directions before problem becomes severe and follow directions exactly , not miss any demand treatments . Sanitation is a must - strip up and remove all leaves , flowers , or debris in the dusk and destruct . Pest : CaterpillarsCaterpillars are the immature form of moths and butterflies . They are voracious eater attacking a wide-eyed change of industrial plant . They can be highly destructive and are characterise as folio feeder , stem borers , foliage rollers , cutworms and tent - former .
Prevention and Control : keep weeds down , spotter private plants and murder caterpillars , hold labeled insect powder such as grievous bodily harm and oils , take advantage of natural enemies such as parasitic wasps in the garden and use Bacillus thuringiensis ( biological warfare ) for some caterpillar species . fungus kingdom : Black SpotA known rose disease , Black Spotappears on young leaf as irregular disastrous circles , often having a yellow aureole . R-2 or spore colony may grow to 1/2 inch in diameter . leafage will turn yellow and drop off , only to produce more leave that will stick to the same pattern . Roses may not make it through the wintertime if smuggled blot is terrible . The fungus will also affect the size and lineament of efflorescence .
Prevention and Control : Plant resistant varieties for your area . Always water from the priming , never overhead . Practice proficient sanitation - clear up and put down debris , specially around plant life that have had a problem . When prune rose , even deadheading , dip pruners in a bleach / urine solution after each cut . If a plant seems to have chronic bleak office , slay it . A 2 - 3 column inch thick layer of mulch at the groundwork of plant reduces splashing . Do not wait until pitch-black topographic point is a Brobdingnagian problem to check ! go betimes . Spray with a fungicide labeled for black spot on roses . Diseases : BlightBlights are cause by fungi or bacteria that bolt down plant tissue . Symptoms often show up as the rapid spotting or wilting of foliage . There are many different blights , specific to various plant , each requiring a wide-ranging method acting of dominance .
Miscellaneous
In milder climate , this procedure is not necessary , but a good bed of mulch and continued tearing up to frost and periodically through wintertime is a safe idea . The best time to prune no matter where you live is at the end of the dormant season , when bud are set out to well up . Glossary : VirusesViruses , which are diminished than bacteria , are not living and do not replicate on their own . They must swear on the cellular mechanisms of their hosts to reduplicate . Because this greatly disrupts the cell ’s functionality , outward signs of a viral infection upshot in a plant disease with symptom such as abnormal or scrubby growth , damaged yield , discolorations or floater .
Prevention and Control : Keep virus carriers such as aphids , leafhoppers , and thrips under control . These plant feeding insects distribute viruses . Viruses can also be introduce by septic pollen or through plant life openings ( as when pruning ) . get down bykeeping the pathogen outof your garden . newfangled plant life should be check , as well as creature and exist plant life . utilize only certified seed that is deemed disease - free . Plant only resistant varietiesandcreate a discouraging environmentby rotating craw , not planting closely related plant life in the same area every year .
