The crinum lily is a large , evergreen plant life that reaches heights of up to 5 feet with an tantamount spread . This herbaceous repeated develops dark immature , shoulder strap - like foliage that grows in voluted patterns . The leaves are erect and simple and can arrive at up to 36 inches in length . The crinum lily bring about fragrant and showy whitened flowers that flower in a spider - like pattern during various times throughout the year . The crinum lily is comparatively repellent to pests but is susceptible to several diseases .

Anthracnose

Anthracnose is a fungous disease that develop on defoliated farewell and branchlet that stay on in the lily ’s orbit throughout the tumble and wintertime month . During the spring months , the fungus is send by wind and rain onto the leave of the crinum lily . The septic foliage develops little , tan to dark colored spots that decay with long time . Infected foliage will also develop distortions and whorl at the edges . gravely infected plant may also experience dieback of flowers and defoliation . Prevent anthracnose by removing debris and defoliate leaves from the area . The disease can also be control with cop - based fungicidal treatments that commence in the spring .

Powdery Mildew

Powdery mildew is a fungous disease that infects the Earth’s surface of the crinum lily ’s foliage . This cosmetic disease occurs in the former outflow after long period of wet and moist weather . septic crinum lily grow small , white to gray colored fungal spot . As the disease march on , the number of fungous spots increases , causing the patch to coalesce . This procession leave in a white covering of fungous mould on the Earth’s surface of the septic leafage . gravely infect foliage will begin to show foliage decay , as well as emergence stunt , folio curl and straining and yellowing of foliage . Wipe the mould from the foliage with a sporty , damp towel . Apply fungicidal treatments at the onset of the disease to forestall lasting injury to the lily ’s foliage .

Botrytis Blight

Botrytis blight is a fungal disease that germinates during cool , rainy periods . This disease point most part of the crinum lily , including the foliation , stem , flowers , tip and seedling of the plant life . Infected lilies arise necrotic area that are displayed with brown - colour , dying tissue . flora will experience wilt , defoliation and obvious deaden areas . Prune infected areas from the plant to redirect the plant ’s energy . Chemical treatments are effectual for botrytis blight when used when the first symptom get to appear . Select a fungicide that is project specifically for botrytis blight .

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