PlantlyAI Blog

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

Smartphone screen displaying a plant care app diagnosing a houseplant with yellowing leaves in a bright indoor room

October 25, 2026 • plant apps

Best App for Houseplant Care in 2026: 6 Apps Tested

Comparing the 6 best apps for houseplant care in 2026, from AI disease diagnosis to watering reminders, with honest free tier details and which to choose.

Close-up of fiddle leaf fig leaf with dark brown spots showing disease symptoms against natural window light

October 24, 2026 • fiddle leaf fig

Fiddle Leaf Fig Brown Spots: 6 Causes and How to Fix Them

Brown spots on your fiddle leaf fig? Learn the 6 causes (root rot, sunburn, bacteria and more) and exactly how to fix each one.

Close-up of basil plant with yellowing lower leaves showing overwatering and nutrient deficiency symptoms

October 23, 2026 • basil

Basil Leaves Turning Yellow: 6 Causes and How to Fix Them

Basil leaves turning yellow? Find the 6 causes — from overwatering to downy mildew — and how to fix each one with a visual diagnostic guide.

Monstera deliciosa leaf showing brown spots from overwatering and fungal disease

October 22, 2026 • monstera

Monstera Brown Spots on Leaves: 7 Causes and How to Fix Them

Brown spots on monstera leaves? Find out the 7 causes (overwatering, fungal disease, low humidity, and more) and exactly how to fix each one.

Poinsettia plant with leaves beginning to drop on a bright windowsill

October 21, 2026 • poinsettia

Poinsettia Dropping Leaves: 5 Causes and How to Fix It

Poinsettia dropping leaves? Diagnose by leaf color and pattern, with targeted fixes for cold shock, overwatering, dry air, and more.

Lemon tree branch with yellowing leaves showing early and advanced chlorosis symptoms

October 20, 2026 • lemon tree

Lemon Tree Leaves Turning Yellow: Causes and How to Fix It

Lemon tree leaves turning yellow? Here are the 7 most common causes, how to spot each one by pattern, and exactly what to do to fix it.

Fiddle leaf fig plant with yellowing leaves and a fallen leaf on a wooden floor

October 19, 2026 • fiddle leaf fig

Fiddle Leaf Fig Dropping Leaves: 6 Causes and Fixes

Fiddle leaf fig dropping leaves? Learn the 6 most common causes and how to diagnose each one, with specific fixes for overwatering, shock, and more.

Cucumber plant leaves turning yellow in a garden bed

October 17, 2026 • cucumber

Cucumber Leaves Turning Yellow: 7 Causes and How to Fix It

Cucumber leaves turning yellow? Learn the 7 most common causes and exactly how to fix each one, with a quick visual diagnosis guide.

ZZ plant with yellow leaves at the base of the stem, showing overwatering symptoms

October 16, 2026 • zz plant

ZZ Plant Leaves Turning Yellow: Causes and How to Fix It

Why are your ZZ plant leaves turning yellow? Learn the 7 main causes, from overwatering to natural aging, and the exact fix for each one.

Prayer plant Maranta leuconeura with curled leaf edges and brown crispy tips on a wooden surface

October 15, 2026 • prayer plant

Prayer Plant Leaves Curling and Brown Tips: Causes & Fixes

Prayer plant leaves curling and brown tips? These 5 causes often go together. Diagnose by pattern and fix low humidity, fluoride, or watering issues.

Hydrangea plant with leaves curling inward at the edges, showing drought or heat stress

October 14, 2026 • hydrangea

Hydrangea Leaves Curling: Causes and How to Fix It

Hydrangea leaves curling? Diagnose the cause by curl direction and get the right fix: heat, drought, overwatering, or pests like aphids and leaftier.

Bird of paradise plant with curled paddle-shaped leaves showing stress symptoms

October 13, 2026 • bird of paradise

Bird of Paradise Leaves Curling: Causes and Fixes

Bird of paradise leaves curling? The most common cause is underwatering or low humidity. Learn to read the curl direction and fix each problem fast.

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