Spathiphyllum—also called peace lily—is a popular flowering houseplant with brilliant white spathe flowers.The easy-to-care-for indoor plant has large glossy green leaves and long flowering stems. at all, but rather a member of the Araceae family.Its flowers resemble those of the calla lily (both plants belong to the same family) and is the reason for its name. In the earlier years of cultivation the susceptibility of Lilies to diseases limited their popularity as garden plants. Here is a professional website that talks about diseases and pests that harm Peace Lilies. Even when the plant is drooping all over the place, it can often be saved. However, there are on occasion, some instances and conditions that need investigation to figure out what, if anything, is happening and I hope this article helps you. The pathogen is closely related to other Botrytis species which attack specific hosts (e.g. B. galanthina on snowdrops). Filed under Disease, Flowers, Gardening, Insects, Peace Lily. Peace lilies are strong hardy plants, but like every living thing, it does have pests that attack it. Peace Lilies are tough plants but they can have problems. Sometimes people buy plants that are infested with some pest but do not see it when they bring the … HGTV.com explains common garden plant diseases, including tomato blight, blossom end rot, powdery mildew, tree gall and snow mold. 3 Comments. The original plant is losing leaves from around the base. The soil is not moist I received this Peace Lily June 20th, it was in a small pot so I repotted it in a commercial African Violet mix that I happened to have plenty of on hand, and took a clump to start a new plant. Lily Diseases. Common Lily Pests Insects, Mites, and Other Pests. Root rot disease, too much sun, or repotting shock can also cause the Spathiphyllum to wilt. A long-time favorite of those with a green-thumb and even those without, Spathiphyllum, commonly known as the peace lily, is an adaptable and low-maintenance houseplant.Peace lilies are not true lilies (Lilium spp.) This can be caused by three things: 1. Normally, lilies are very easy to grow and take very little care. Biology. However a few individuals saw potential beauty in the size and shapes of the flowers and continued to experiment and hybridize. Botrytis elliptica, the pathogen causing 'lily disease' produces black, seed-like resting structures (sclerotia) in dead leaf tissue and in this form overwinters in the soil, releasing airborne spores the following season.Wet conditions are needed for infection. billie haarmann September 30th, 2009 at 12:28 am. Taking good care of your peace lily will mean it’s less likely to suffer from problems like pests. That one is doing fine. The drooping leaves indicates that it's not getting enough water. They are getting brown areas then turning yellow. The plant’s interesting blooms are also the source of its Latin name, Spathiphyllum , meaning “spathe-leaf.” The flowers consist of the spathe (the white, sheath-like leaf) and the spadix (the spike of small flowers located within the spathe). Peace Lilies can be very melodramatic when it comes to a watering schedule. In order to keep your houseplants strong you need to meet their cultural requirements, which involves using proper soil, avoiding drafts, not crowding plants and then keeping a good balance of temperature, humidity, light, water and drainage. Newer leaves mostly. A drooping peace lily is a sign of underwatering or overwatering. Spathiphyllum plants grow in various light conditions, including low light and shade.. To revive a droopy peace lily, improve drainage in the pot, water adequately but not in excess, or repot the plant to get rid of the fungus. Despite the peace lily’s common name, it is not related to true lilies at all. Healthy indoor plants will be able to resist and fight off pests and diseases much better than weak plants. Indoor Plant Disease Prevention . It is important to keep the pot free of dead leaves and debris.