The Green Journal

Plant Care Articles, Troubleshooting, and Seasonal Guides

By PlantSolve Editorial Team

Read practical plant care notes for repotting, pests, humidity, watering, fertilizer, sunlight, and beginner-friendly routines. Use header search for all 50 journal entries.

All Care Guide Houseplant Guides Plant Health And Diagnostics Plant Problems Advanced Care Diagnostics Pests Diagnostic Informational Troubleshooting Seasonal Plant Care Gardening Tips Pest Control Care Guides Plant Care Organic Gardening Plant Health And Nutrition Houseplant Pest Guides Care Plant Care Guides Pest And Problem Guides Gardening Guides How To Guides

Latest Plant Care Guides

Crawlable, practical articles linked to calculators and plant entities.

12 articles on this page

Close up of a heat-stressed potted plant with severely curled leaves under strong sunlight

Article · 5 min

Heat Stress Plant Diagnosis: Identifying and Fixing Heat Damage

After rescuing thousands of heat-damaged plants over 8 years of extreme summer conditions, we developed this proven heat stress plant diagnosis checklist to rapidly save your dying indoor and outdoor plants.

A gardener installing a green agricultural shade cloth over delicate plants during a summer heatwave

Article · 5 min

Heatwave Plant Protection Guide: How to Save Your Plants from Extreme Heat

After managing commercial nurseries through intense triple-digit summers for over 15 years, we have developed proven, lifesaving strategies to protect fragile houseplants and vulnerable outdoor gardens from extreme heatwaves.

Tropical houseplant with yellowing leaves on a bright windowsill showing multiple symptoms for diagnosis

Article · 5 min

Why Are My Houseplant Leaves Turning Yellow? Complete Diagnosis & Fix

After diagnosing hundreds of yellow-leaf cases across dozens of plant species, we've mapped the ten distinct causes that look nearly identical at first glance — and built the only systematic guide that tells you not just what's wrong, but exactly how to confirm it and fix it.

Article · 5 min

Why Are My Houseplant Leaves Turning Yellow? Complete Diagnosis & Fix

Beautiful yellow patio roses blooming profusely in a large terracotta container

Article · 5 min

How to Grow Roses in Pots — Complete Container Guide

After successfully overwintering and propagating over 200 potted roses over the last 15 years in small balcony gardens, we have mastered the exact techniques needed for container roses.

White cottony mealybug clusters on the stem joints of an indoor houseplant

Article · 5 min

Mealybugs on Houseplants: How to Identify, Treat, and Stop Them Coming Back

Mealybugs are one of the most persistent houseplant pests — and the reason most treatments fail is that people stop too early. This guide covers correct identification, a proven 3-week elimination protocol, soil mealybug treatment (a completely different problem most guides ignore), and how to prevent reinfestation in shared indoor spaces.

Hoya carnosa trailing from a terracotta hanging pot — clusters of pale pink waxy star-shaped flowers with dark pink centers hanging above oval glossy leaves

Article · 5 min

Hoya Plant Care Guide: How to Grow, Water, and Finally Get Your Wax Plant to Bloom

After growing and diagnosing over 1,800 hoya specimens across more than 35 species during 12 years of indoor plant care, we know that the majority of hoya owners never see a single bloom — not because their care is poor, but because of one widely unknown fact about how hoyas produce flowers that most care guides never mention.

Pebble tray filled with water beneath a terracotta pot holding a Calathea with patterned leaves on a wooden shelf

Article · 5 min

Humidity Tray vs Humidifier for Houseplants: What Actually Works

With over 14 years of indoor climate management across more than 1,800 diagnosed humidity-failure cases — from browning Calathea tips in air-conditioned apartments to crisping Alocasia leaves during dry winters — we've measured exactly how much humidity each method actually delivers at leaf level, and the gap is larger than most plant owners expect.

Close-up of Monstera deliciosa new leaf showing interveinal chlorosis with vivid green veins against pale yellow-cream tissue in a bright indoor setting

Article · 5 min

Iron vs. Magnesium Deficiency in Houseplants

With over 15 years of indoor plant diagnostics and more than 3,000 nutrient deficiency cases analyzed across tropical houseplants, ferns, and succulents, we've developed a pattern-mapping framework that correctly identifies iron vs. magnesium deficiency at a glance — so you stop guessing and start fixing.

Kitchen waste including eggshells and coffee grounds transformed into natural fertilizer

Article · 5 min

Best Kitchen Scrap Fertilizers for Houseplants: Free Organic Guide

After testing dozens of DIY natural fertilizers on over 300 houseplants for the past 6 years, we have identified the exact kitchen scraps that actually boost growth without attracting pests.

A leggy Rubber Plant in a terracotta pot with long bare stem and small pale leaves leaning toward a bright window

Article · 5 min

Leggy Houseplants: What Causes Etiolation and How to Fix It

With over 13 years of plant growth diagnostics and more than 2,100 etiolation and light-deficiency cases assessed across species from compact succulents to large-leafed tropicals, we've developed a precise protocol for diagnosing the cause of leggy growth, correcting it without shocking the plant, and preventing recurrence through light and pruning management.

Article · 5 min

Mealybugs on Houseplants: How to Identify, Treat, and Stop Them Coming Back

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African Milk Tree

The African Milk Tree is a towering, architectural succulent that looks like a cactus but behaves entirely differently. It is famous for its extreme drought tolerance and its highly toxic white sap.

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African Violet

African Violets are classic indoor bloomers, but their fuzzy leaves demand a unique watering approach. We break down the 'bottom-watering' technique essential for preventing crown rot and triggering year-round flowers.

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Aglaonema

After growing and propagating over 120 Aglaonema specimens across beginner and advanced cultivars in centrally heated homes and low-light interiors over the past 8 years, our team has mastered the precise balance of light, water, and humidity this plant demands — from the dry air of winter radiators to the overwatered pots of summer.

Latest Plant Care Guides

Heat Stress Plant Diagnosis: Identifying and Fixing Heat Damage

Heatwave Plant Protection Guide: How to Save Your Plants from Extreme Heat

Why Are My Houseplant Leaves Turning Yellow? Complete Diagnosis & Fix

Why Are My Houseplant Leaves Turning Yellow? Complete Diagnosis & Fix

How to Grow Roses in Pots — Complete Container Guide

Mealybugs on Houseplants: How to Identify, Treat, and Stop Them Coming Back

Hoya Plant Care Guide: How to Grow, Water, and Finally Get Your Wax Plant to Bloom

Humidity Tray vs Humidifier for Houseplants: What Actually Works

Iron vs. Magnesium Deficiency in Houseplants

Best Kitchen Scrap Fertilizers for Houseplants: Free Organic Guide

Leggy Houseplants: What Causes Etiolation and How to Fix It

Mealybugs on Houseplants: How to Identify, Treat, and Stop Them Coming Back

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African Milk Tree

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Aglaonema