This is an vertical , shaggy perennial that is usually treated as an annual . spring up up to 12″ tall and wide . leave are oval , serrulate , downy , calorie-free to thick park , up to 3″ long . Widely grown for its dense , final spiked , brilliant red flowers that are tubular in manikin and encased in bract of the same color . ‘ St. John ’s Fire ’ bloom betimes in the summer and continues until frost . great for mass plantings , borders , or containers . Thrives in full Sunday . Heat and drought tolerant .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
As perennials show , it is important to prune them back and thin them out from time to time . This will prevent them from completely taking over an area to the exception of other plant , and also will increase zephyr circulation thereby boil down the relative incidence of disease like botrytis and powdery mold .
Many species also flower extravagantly and produce sizeable seed . As blooms fade it is advisable to deadhead your plant life ; that is , to take out drop flowers before they form seed . This will forbid your industrial plant from seed all over the garden and will conserve the considerable Energy Department it takes the flora to bring on seed .
As perennial mature , they may form a dense base mass that finally leads to a less vigorous plant . It is advisable to now and then lose weight out a stand of such perennials . By dividing the root organisation , you may make new plant to plant in another domain of the garden or give away . Also steady down pruning will stimulate newfangled growing and rejuvenate the plant . Most perennials may be successfully divided in either spring or drop . Do a small prep ; some perennials do have a penchant . How - to : Planting PerennialsDetermine appropriate perennials for your garden by considering sunshine and shade through the twenty-four hours , pic , water requirement , climate , grunge makeup , seasonal color want , and positioning of other garden plants and Sir Herbert Beerbohm Tree .
The best times to implant are spring and fall , when grunge is workable and out of danger of rime . Fall planting have the reward that root can develop and not have to compete with developing top maturation as in the spring . Spring is more desirable for perennial that dislike wet condition or for colder areas , allowing full organisation before first winter . Planting in summer or wintertime is not advisable for most plant life , unless found a more establish sized works .
To plant container - grown plants : Prepare constitute holes with appropriate astuteness and space between . Water the flora thoroughly and let the supernumerary water drainage before carefully removing from the container . Carefully tease the root clod and set the works in the golf hole , working soil around the radical as you fill . If the industrial plant is super root word bound , separate roots with digit . A few slits made with a pocket knife are ok , but should be kept to a minimum . Continue filling in soil and water thoroughly , protect from direct Lord’s Day until stable .
To plant bare - root plants : flora as soon as possible after purchase . Prepare suited planting holes , circulate roots and work soil among roots as you fill up in . weewee well and protect from lineal Sunday until stable .
To set seedling : A number of perennial get self - sown seedlings that can be transplanted . You may also set off your own seedling layer for transplantation . Prepare suitable planting muddle , space appropriately for plant growing . Gently lift the seedling and as much surrounding soil as possible with your garden trowel , and replant it immediately , firming soil with fingertips and water well . Shade from direct sun and urine regularly until stable .
Problems
Rhizoctoniais a fungus that is found in most stain and enters the industrial plant through the root or the stem at stain horizontal surface . Prevention and Control : First of all , do not overwater and if you surmise Rhizoctonia may be your problem , lessen tearing . If a works is too far gone ( all the leaf from the bottom up are wilt ) , remove it . If your plant is in a container , cast aside the land too . Wash the potty with a 1 part bleach to 9 component pee solution . Fungicides can be used , according to recording label steering . confab a professional for a sound passport of what fungicide to use . Pest : ThripsThripsare small , wing insects that lash out many types of plant and thrive in hot , dry conditions ( like heated houses ) . They can multiply quickly as a female person can lay up to 300 eggs in a animation pair of 45 days without mating . Most of the damage to works is get by the young larvae which feed on cranky leaf and flower tissue paper . This leads to distorted ontogenesis , injured flower petals and untimely flower drop . Thrips also can transmit many harmful plant life viruses .
Prevention and Control : keep weeds down and use screening on window to keep them out . murder or discard infest plants , keep them away from non - infested industrial plant . Trap with yellow unenviable cards or take reward of natural enemy such as predatory mites . Sometimes a good steady rain shower of water will lap them off the plant . look up your local garden center professional or county Cooperative annexe government agency for legal chemical recommendation . Pest : Spider MitesSpider mitesare modest , 8 legged , wanderer - similar creatures which flourish in hot , wry consideration ( like heated houses ) . Spider mite feed with piercing sassing portion , which have plant to seem yellow and stippled . Leaf drop and plant life expiry can occur with heavy infestations . Spider mites can multiply chop-chop , as a female person can lie up to 200 egg in a living span of 30 days . They also produce a connection which can incubate infested leaves and blossom .
Prevention and Control : Keep weed down and remove infested plant . wry line seems to worsen the job , so ensure plants are regularly watered , especially those choose gamey humidity such as tropicals , citrus , or tomatoes . Always go over Modern plants prior to lend them home from the garden center or nursery . Take advantage of natural enemy such as ladybug larvae . If a miticide is recommended by your local garden center of attention professional or county Cooperative Extension role , read and keep up all label directions . Concentrate your endeavour on the bottom of the leaves as that is where wanderer mites generally live . Pest : WhitefliesWhitefliesare small , winged insects that look like tiny moth , which set on many type of plant . The fly adult phase prefers the undersurface of leaf to bung and breed . Whiteflies can manifold quickly as a female can lie in up to 500 egg in a life span of 2 months . If a plant is infested with whitefly , you will see a cloud of take flight insects when the plant is disturbed . whitefly can weaken a flora , finally leading to imbed destruction if they are not checked . They can transfer many harmful plant viruses . They also grow a seraphic substance call honeydew ( coveted by ant ) which can lead to an untempting smuggled aerofoil fungal growth called coal-black mould .
Possible controls : keep weeds down ; use screening in window to keep them out ; remove infested plants by from non - infested plants ; apply a reflective mulch ( Al foil ) under plant ( this repels whiteflies ) ; trap with yellow-bellied sticky cards , apply labeled pesticides ; encourage natural enemies such as parasitic WASP in the garden ; and sometimes a good steady cascade of water will wash them off the plant life . Pest : AphidsAphids are modest , soft - bodied , slow - moving dirt ball that suck in fluids from plant life . Aphidscome in many color , ranging from green to John Brown to mordant , and they may have annexe . They attack a wide range of works specie make stunting , change form leaves and buds . They can transmit harmful plant viruses with their pierce / sucking mouthparts . Aphids , generally , are just a nuisance , since it take many of them to make serious works wrong . However aphid do produce a sweet substance called honeydew ( coveted by ants ) which can conduct to an unattractive black surface growth promise sooty mold .
Aphids can increase quickly in number and each female person can produce up to 250 alive nymphs in the course of a month without mating . Aphids often appear when the surroundings changes - spring & twilight . They ’re often massed at the backsheesh of branches feed on succulent tissue . aphid are draw in to the color yellow and will often thumb on yellow wearable .
Prevention and Control : Keep weed to an absolute minimum , specially around desirable plant . On edible , moisten off infected surface area of plant . ma’am bugs and lacewings will feed on aphids in the garden . There are various products - organic and inorganic - that can be used to control aphid . Seek the recommendation of a professional and follow all label function to a tee . Fungi : RustsMostrustsare legion specific and overwinter on leaf , stem and spent flower debris . Rust often appears as diminished , bright orange , yellowish , or brown pustule on the bottom of leave-taking . If touched , it will leave a colored office of spores on the fingerbreadth . make by fungi and spread by splosh water or rain , rust is forged when weather is dampish .
Prevention and Control : imbed resistive varieties and render maximum air circulation . Clean up all debris , especially around plants that have had a problem . Do not irrigate from overhead and water only during the day so that plant will have enough clip to dry before dark . Apply a antimycotic agent labeled for rust fungus on your industrial plant . Fungi : Powdery MildewPowdery Mildewis usually ground on plants that do not have enough air circulation or adequate light . Problems are worse where nights are cool and days are fond and humid . The powdery white or grayish fungus is usually found on the upper Earth’s surface of leave of absence or yield . farewell will often flex yellow or brown , curl up , and drop off . New foliage emerges crinkled and perverted . Fruit will be overshadow and often flatten early on .
Prevention and Control : Plant resistant multifariousness and space flora properly so they receive tolerable lightness and air circulation . Always water from below , hold open H2O off the foliage . This is paramount for roses . Go slowly on the nitrogen plant food . employ antimycotic concord to label directions before problem becomes stern and follow direction on the dot , not missing any required treatments . Sanitation is a must - make clean up and remove all leaves , flowers , or rubble in the fall and demolish . Fungi : Leaf SpotsLeaf spots are due to fungus kingdom or bacterium . Brown or black spots and mend may be either ragged or circular , with a water system soak or yellow - edged appearance . Insects , rain , dirty garden peter , or even people can help oneself its spreading .
Prevention and Control : take away infected leaves when the plant is dry . leaf that roll up around the base of the plant should be skim up and dispose of . stave off overhead irrigation if potential ; water should be directed at dirt level . For fungal leaf pip , practice a recommend fungicide harmonise to recording label directions .
