Aquatic perennial with leaves shaped like arrows . Scapes up to 30 inches bear racemes of whorled ashen blossom with ruby spots at the base . Blooms in summer .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : Keep mourning band down and off infested plants . Dry air seems to exacerbate the problem , so ensure plants are regularly watered , especially those prefer mellow humidity such as tropicals , citrous fruit , or tomato plant . Always look into raw plants prior to bringing them home from the garden center or nursery . Take advantage of lifelike enemies such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension office , read and follow all recording label directions . centre your endeavor on the undersides of the leave as that is where wanderer touch generally live . Pest : AphidsAphids are little , soft - bodied , slow - moving louse that go down on fluids from industrial plant . Aphidscome in many colour , ranging from green to brown to mordant , and they may have wings . They attack a all-embracing range of plant species causing stunting , deformed leaves and buds . They can transmit harmful flora viruses with their pierce / sucking mouthpart . Aphids , generally , are just a pain in the neck , since it takes many of them to cause serious plant damage . However aphid do produce a sweet substance called honeydew ( coveted by ant ) which can lead to an unattractive disgraceful Earth’s surface development called sooty mold .
Aphids can increase quickly in act and each female can grow up to 250 live nymph in the course of a month without mating . Aphids often seem when the environment changes - spring & fall . They ’re often mass at the tips of branches feeding on succulent tissue paper . Aphids are attracted to the color yellowness and will often hitchhike on icteric article of clothing .
Prevention and Control : Keep weeds to an absolute lower limit , particularly around worthy plants . On edibles , wash off infect area of plant life . Lady bugs and lacewings will feed on aphid in the garden . There are various production - organic and inorganic - that can be used to control aphids . search the recommendation of a professional and follow all label procedures to a tee . Fungi : Leaf SpotsLeaf patch are triggered by fungi or bacterium . Brown or black spots and temporary hookup may be either ragged or round , with a water soaked or yellow - edged visual aspect . Insects , rain , unsporting garden tool , or even people can aid its spread .
Prevention and Control : Remove infect leaves when the plant is dry . foliage that hoard around the base of the plant life should be raked up and fling of . forfend overhead irrigation if possible ; piss should be directed at ground level . For fungal leaf spots , use a recommend fungicide allot to recording label direction .
