Indoor Plant Problems. Pests and plant diseases that can plague your indoor plants. Diseases aren’t that common on most houseplants grown indoors because environmental conditions aren’t favorable for plant pathogens to grow and infect the plants. Alternatively, try putting some fresh basil leaves on the surface of the potting mix to deter this pest naturally. Plant disease, an impairment of the normal state of a plant that interrrupts or modifies its vital functions. Therefore if Rust is suspected you must isolate it from other houseplants to prevent it spreading. Always buy disease-free plants. Inadequate air circulation around plants, lack of fresh air, high temperatures and excess humidity provide ideal conditions for fungal diseases to breed. Using a compost-free potting mix like Scotts Osmocote Indoor Plants Premium Potting Mix or Debco Indoor Potting Mix which are both coir-based and contain no compost or pine bark, is the best protection from this pest. Are the leaves closest to the light still green, and onlyyellowing on the far side? As light levels fall in the winter some plants may benefit from being moved to a lighter position such as nearer a window as long as the minimum required temperatures can be maintained. To prevent botrytis, inspect houseplants … Inadequate air circulation around plants, lack of fresh air, high temperatures and excess humidity provide ideal conditions for fungal diseases to breed. Dusty, gray spores are visible on infected tissue. Here, we discuss the latest tips and information — from grow lights and hydroponics to houseplants and microgreens — to make your indoor growing experiences blossom. If the symptoms don’t match, check the further resources section for where to find more information. Early identification of diseases and pests along with immediate treatment will give your plant its best chance at survival so it is crucial to check your monstera deliciosa on a regular basis. Symptoms often include many tan to reddish brown to black roughly circular spots or lesions that may run together to cause large irregular shaped lesions (tuberous begonia) or blighting of the entire leaf. Signs of the disease first appear as small, white spots that quickly grow and merge. The most common houseplant diseases are anthracnose, root rot, leaf spots, and powdery mildew. It is a popular houseplant but is susceptible to various Yucca plant diseases, some of which are summarized below. As far as pests go, there are many. Most houseplants thrive in warm rooms and even temperatures all year round. Indoor plant fungal diseases Indoor plants are not often troubled by diseases like moulds, mildews and spots but sometimes these fungal diseases can appear. Wiping leaves with a soft, damp cloth to remove traces of mould and mildew is usually all that’s needed to eradicate all traces of infection after you’ve attended to the points above. The potting mix may also develop a foul odour. Height – 3 to 6 ½ feet (1 to 2 meters) Exposure – very well-lit, or even full sun Soil – soil mix. /*-->