| Term | Definition | Characteristics | Examples | Emoticon | Image Link |
|---|---|---|---|---|---|
| Powdery Mildew | A fungal disease that forms a white or gray powdery coating on leaves and stems. | White, powdery spots on leaves and stems. | Powdery Mildew (Begonias, African Violets) | πΏβοΈ | Powdery Mildew Image |
| Root Rot | A condition in which roots decay due to overly wet soil or fungal infection. | Blackened, mushy roots, stunted growth. | Root Rot (Pothos, Peace Lily) | π±π§ | Root Rot Image |
| Leaf Spot | A disease causing small, round spots on leaves, which can be fungal or bacterial. | Small, round spots on leaves, can be yellow, brown, or black. | Leaf Spot (Dracaena, Ficus) | πβ« | Leaf Spot Image |
| Botrytis (Gray Mold) | A fungal disease that causes gray, fuzzy mold on leaves, stems, and flowers, often in cool, damp conditions. | Gray, fuzzy mold on leaves, stems, and flowers. | Botrytis (Orchids, Geraniums) | π«οΈπΈ | Botrytis Image |
| Anthracnose | A fungal disease causing dark, sunken lesions on leaves and stems. | Dark, sunken spots on leaves and stems. | Anthracnose (Fiddle Leaf Fig, Rubber Plant) | ππ€ | Anthracnose Image |
| Mealybugs | Small, sap-sucking insects covered in a white, powdery wax that can cause stunted growth. | White, cotton-like clusters on leaves and stems. | Mealybugs (Succulents, Orchids) | ππ | Mealybugs Image |
| Spider Mites | Tiny arachnids that cause yellowing and speckling of leaves, often with webbing. | Yellowing leaves, webbing on undersides. | Spider Mites (Spider Plants, Palms) | πΈοΈπ | Spider Mites Image |
| Whiteflies | Small, white insects that feed on plant sap, causing yellowing and wilting. | Yellowing leaves, visible small white insects. | Whiteflies (Jade Plants, Hibiscus) | π¦π | Whiteflies Image |
| Aphids | Small, sap-sucking insects that can cause stunted growth and transmit diseases. | Clusters of small insects, sticky residue, curled leaves. | Aphids (Various indoor plants) | ππΏ | Aphids Image |
| Thrips | Tiny, slender insects that can cause silvering of leaves and transmit plant viruses. | Silvered leaves, stunted growth. | Thrips (Begonias, African Violets) | πͺ²π | Thrips Image |
| Scale Insects | Small, immobile insects covered by a hard, protective coating that feed on plant sap. | Hard, brown or black bumps on stems and leaves. | Scale (Ficus, Ivy) | ππΏ | Scale Image |
| Leaf Blight | A disease causing large, irregular dead areas on leaves. | Irregular, dead patches on leaves. | Leaf Blight (Philodendrons, ZZ Plant) | πβ« | Leaf Blight Image |
| Edema | A physiological disorder caused by water imbalance, resulting in blister-like swellings on leaves. | Blister-like swellings on leaves. | Edema (Pothos, Peace Lily) | πβͺ | Edema Image |
| Sunburn | Damage caused by excessive exposure to direct sunlight, leading to white or brown patches on leaves. | White or brown patches on leaves. | Sunburn (Succulents, Fiddle Leaf Fig) | βοΈπ | Sunburn Image |
| Chlorosis | A condition where leaves produce insufficient chlorophyll, causing yellowing. | Yellowing of leaves, often with green veins. | Chlorosis (Snake Plant, Pothos) | ππ‘ | Chlorosis Image |
| Leaf Curl | A condition where leaves curl up or down, often due to pests or environmental stress. | Curling of leaves, stunted growth. | Leaf Curl (Fiddle Leaf Fig, Rubber Plant) | πβ©οΈ | Leaf Curl Image |
| Damping-Off | A disease that affects seedlings, causing them to rot at the base and collapse. | Seedlings collapse and die, usually at soil level. | Damping-Off (Seedlings) | π±β | Damping-Off Image |
| Phytophthora | A soilborne disease causing root and stem rot, leading to plant collapse. | Root and stem rot, plant collapse. | Phytophthora (Philodendrons, Fiddle Leaf Fig) | π±π§ | Phytophthora Image |
| Rust | A fungal disease that causes reddish or brownish spots on leaves and stems. | Reddish-brown pustules on leaves and stems. | Rust (Geraniums, Begonias) | πΏπ€ | Rust Image |
| Sooty Mold | A black, sooty fungus that grows on the honeydew excreted by sap-sucking insects. | Black, sooty coating on leaves and stems. | Sooty Mold (Ficus, Citrus Plants) | πΏπ€ | Sooty Mold Image |
| Gall | Abnormal swelling or growth on leaves, stems, or roots, often caused by insects or disease. | Swellings or growths on plant parts. | Gall (Ficus, Hibiscus) | πβͺ | Gall Image |
| Viral Mosaic | A virus that causes mottled, mosaic-like patterns on leaves and can stunt growth. | Mottled leaves, distorted growth. | Mosaic Virus (Orchids, African Violets) | ππ¦ | Mosaic Virus Image |
| Bacterial Leaf Spot | A bacterial disease causing water-soaked spots that turn brown or black on leaves. | Water-soaked spots on leaves. | Bacterial Leaf Spot (Philodendrons, Pothos) | πβ« | Bacterial Leaf Spot Image |
| Calcium Deficiency | A nutrient deficiency causing distorted and necrotic growth at the tips of leaves. | Necrotic leaf tips, stunted growth. | Calcium Deficiency (Succulents, Tomatoes) | ππ‘ | Calcium Deficiency Image |
| Magnesium Deficiency | A nutrient deficiency causing interveinal chlorosis (yellowing between veins) in older leaves. | Yellowing between leaf veins, green veins. | Magnesium Deficiency (Houseplants) | ππ‘ | Magnesium Deficiency Image |
| Iron Deficiency | A nutrient deficiency causing interveinal chlorosis in younger leaves. | Yellowing between leaf veins, green veins in young leaves. | Iron Deficiency (Various indoor plants) | ππ‘ | Iron Deficiency Image |
| Potassium Deficiency | A nutrient deficiency causing brown scorching and curling of leaf tips and edges. | Browning and curling of leaf edges, stunted growth. | Potassium Deficiency (Houseplants) | ππ€ | Potassium Deficiency Image |
| Nutrient Burn | Over-fertilization causing leaf tips to turn brown and crispy. | Brown, crispy leaf tips, stunted growth. | Nutrient Burn (Houseplants) | ππ₯ | Nutrient Burn Image |
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