PlantlyAI Blog

Diagnose plant diseases, treat sick plants, and keep your garden and houseplants healthy — one photo at a time.

String of pearls plant with flat, shriveled bead-shaped leaves alongside firm plump pearls in a terra cotta pot

August 10, 2026 • succulents

String of Pearls Shriveling: Causes & How to Fix It

String of pearls shriveling? Flat, papery pearls mean underwatering. Mushy shriveling points to root rot. Learn to diagnose and fix each cause fast.

String of hearts plant with mushy yellowing leaves drooping from overwatering, displayed against a light background

August 9, 2026 • string of hearts

String of Hearts Leaves Mushy and Yellow: Causes & Fixes

Mushy yellow leaves on a string of hearts usually mean overwatering or root rot. Here's how to diagnose the problem and rescue your plant.

Close-up of a Phalaenopsis orchid leaf with black spots showing water-soaked fungal rot alongside dry papery sunburn damage

August 8, 2026 • orchids

Black Spots on Orchid Leaves: Causes & How to Fix Them

Black spots on orchid leaves signal fungal rot, bacterial infection, sunburn, or cold damage. Learn to tell them apart and treat the right cause fast.

Close-up of white cottony mealybug clusters nestled between echeveria succulent leaves alongside a healthy farina-coated leaf

August 7, 2026 • succulents

White Fuzz on Succulent Leaves: Causes & How to Fix It

White fuzz on succulents comes from mealybugs, natural farina wax, or powdery mildew. Learn how to tell them apart and treat the right cause fast.

Basil plant leaves showing black spots and yellow patches from fungal disease

August 6, 2026 • basil

Basil Leaves Black Spots: Causes & How to Fix It

Black spots on basil leaves? Identify downy mildew, Cercospora, bacterial leaf spot, or cold damage, and treat the right cause before the plant declines.

Tomato leaf with circular tan spots and dark brown borders, showing classic septoria leaf spot disease symptoms

August 5, 2026 • plant disease

Septoria Leaf Spot Treatment: Signs & Fixes

Septoria leaf spot treatment: remove infected leaves and spray copper fungicide every 7-10 days. Step-by-step guide for tomatoes and peppers.

Close-up of white cottony mealybug clusters nestled between echeveria succulent leaves

August 4, 2026 • succulents

Mealybugs on Succulents: Signs, Treatment & Prevention

Mealybugs on succulents show as white cottony clusters in leaf joints. Treat with isopropyl alcohol or neem oil, and stop them from coming back.

Close-up of aphids clustered on a hibiscus stem tip with curled new growth

August 3, 2026 • hibiscus

Aphids on Hibiscus: Signs, Treatment & How to Fix It

Aphids on hibiscus cause curled leaves, sticky residue, and dropped buds. Here's how to spot them fast and treat the infestation at home.

Close-up of brown scale insects on ficus tree stems with sticky honeydew residue on leaves

August 2, 2026 • ficus

Scale on Ficus Tree: Signs, Treatment & How to Fix It

Tiny bumps, sticky leaves, sooty mold on your ficus? That's scale. Learn the signs, how to treat it, and how to keep it from coming back.

White cottony mealybug clusters in orchid leaf axils and pseudobulb sheaths

August 1, 2026 • orchids

Mealybugs on Orchids: Signs, Treatment & Prevention

Spotted white cottony clusters on your orchid? Here's how to identify mealybugs, treat the infestation fast, and keep your orchid pest-free.

Monstera leaf with spider mite damage showing yellow stipple dots and fine webbing at the petiole junction

July 31, 2026 • monstera

Spider Mites on Monstera: Signs, Causes & Treatment

Tiny yellow dots and webbing on your monstera? Identify spider mites, learn why they strike, and follow a step-by-step treatment plan to clear them fast.

Monstera plant with mushy brown stem being cut back to save it from stem rot

July 30, 2026 • monstera

Monstera Stem Rot: Why Stems Go Mushy and How to Fix It

Monstera stem rot causes mushy, soft stems that collapse fast. Learn to identify it, cut correctly, and save your plant step by step.

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