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.

Care Guide

Air Plant (Tillandsia) Care Guide: The Soak vs. Mist Debate Solved

With 12 years of experience maintaining over 200 Tillandsia species in climates from desert-dry to coastal-humid, we've built a trichome-based watering protocol that eliminates guesswork for air plant owners.

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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.

11 articles on this page

Large healthy Alocasia Frydek with deep green velvety leaves and white veins in a modern indoor setting

Article · 5 min

Alocasia Care Guide: Growing the Dramatic Elephant Ear Plant Indoors

After successfully growing and rescuing over 80 Alocasia plants across 7 years in varying home environments, we've refined the exact conditions these dramatic elephant ear plants need to thrive indoors.

Close-up of a peace lily leaf showing multiple angular dark brown spots with wide yellow halos, each spot bounded by visible leaf veins, on a bright white background

Article · 5 min

Bacterial vs Fungal Leaf Spot in Houseplants: Diagnose It Right, Treat It Right

With over 12 years of plant pathology diagnostics and more than 2,100 leaf spot cases assessed across tropical and subtropical indoor collections, we have developed a four-observation framework that separates bacterial from fungal leaf spot in a single visual assessment.

Healthy Strelitzia reginae Bird of Paradise with glossy green paddle-shaped leaves in a bright sunlit modern living room

Article · 5 min

Bird of Paradise Care Guide: Light, Brown Tips, and Getting It to Bloom

Bird of Paradise plants are among the most purchased — and most misunderstood — large houseplants in Western homes. After years working with both Strelitzia reginae and Strelitzia nicolai across different indoor environments, we've documented exactly what these plants need to stay healthy, why brown tips are almost universal, and what it actually takes to get one to bloom indoors.

Overhead view of a Calathea orbifolia leaf with distinct brown crispy tip and yellow margin band, against a white background with a watering can

Article · 5 min

Why Do My Houseplants Have Brown, Crispy Tips?

With over 15 years of indoor plant diagnostics and more than 3,000 leaf-tissue cases analyzed, we've mapped the exact mechanisms behind brown crispy tips—fluoride accumulation, salt toxicity, and humidity deficits—so you can reverse damage today.

Large healthy Calathea plant thriving in a humid indoor environment next to a misting humidifier

Article · 5 min

Mastering Humidity for Calatheas: The Expert Guide

After maintaining high-humidity greenhouse environments and rescuing hundreds of tropicals over the last 10 years, we have mastered the exact microclimate techniques needed to keep Calatheas thriving without crispy brown edges.

Large healthy Calathea Orbifolia plant sitting on a wooden stool in a bright room

Article · 5 min

Calathea Orbifolia Care Guide: Growing the Most Stunning Prayer Plant

After cultivating over 50 Calatheas and maintaining high-humidity greenhouse environments for 5 years, we have mastered the art of keeping Calathea Orbifolia thriving indoors without brown edges.

Fiddle leaf fig houseplant with dark black sooty mold patches on upper leaf surfaces in a bright living room, showing contrast between affected and clean leaves

Article · 5 min

Sooty Mold on Houseplants

With over 15 years of indoor plant diagnostics and more than 3,000 pest and fungal cases assessed across tropical houseplants and ornamentals, we've mapped the exact cause-chain between sap-sucking pests, honeydew secretion, and sooty mold colonization — so you understand why scrubbing alone never works and what actually does.

Close up of a yellow sticky trap effectively catching adult fungus gnats in an indoor houseplant

Article · 5 min

Defeating Fungus Gnats: The Ultimate Houseplant Pest Guide

After battling greenhouse infestations and treating hundreds of indoor plants over 8 years, we have developed a foolproof, two-step eradication method to destroy fungus gnats at every stage of their life cycle.

Peperomia obtusifolia on a wooden shelf displaying translucent edema blisters beneath mature leaves

Article · 5 min

Houseplant Edema: Causes, Identification, Treatment and Prevention

After 12 years of diagnosing more than 3,000 indoor plant health cases, we have found that edema is one of the most frequently misdiagnosed houseplant disorders. Plant owners often mistake it for pests or fungal disease when the real cause is a mechanical imbalance between root water uptake and leaf transpiration.

Dracaena houseplant showing classic fertilizer burn with brown crispy leaf tip margins and a thin yellow border between dead and living tissue

Article · 5 min

Fertilizer Burn on Houseplants: How to Identify, Fix & Prevent Salt Damage

Fertilizer burn is one of the most misdiagnosed houseplant problems because its symptoms — brown tips, wilting, yellowing leaves — are nearly identical to overwatering, underwatering, and root rot. The treatment for root rot is opposite to the treatment for fertilizer burn, which means getting the diagnosis wrong makes the plant worse. This guide is built around that diagnostic problem first.

Tall healthy fiddle leaf fig tree with large glossy violin-shaped leaves in a bright modern living room

Article · 5 min

Fiddle Leaf Fig Care Guide: Growing Ficus Lyrata Indoors Without the Drama

After growing and recovering fiddle leaf figs across eight years — including plants that dropped half their leaves the week after purchase — we've identified the exact triggers behind leaf drop and the straightforward conditions that keep Ficus lyrata thriving long-term.

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Plant Guide

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.

Plant Guide

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.

Plant Guide

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

Alocasia Care Guide: Growing the Dramatic Elephant Ear Plant Indoors

Bacterial vs Fungal Leaf Spot in Houseplants: Diagnose It Right, Treat It Right

Bird of Paradise Care Guide: Light, Brown Tips, and Getting It to Bloom

Why Do My Houseplants Have Brown, Crispy Tips?

Mastering Humidity for Calatheas: The Expert Guide

Calathea Orbifolia Care Guide: Growing the Most Stunning Prayer Plant

Sooty Mold on Houseplants

Defeating Fungus Gnats: The Ultimate Houseplant Pest Guide

Houseplant Edema: Causes, Identification, Treatment and Prevention

Fertilizer Burn on Houseplants: How to Identify, Fix & Prevent Salt Damage

Fiddle Leaf Fig Care Guide: Growing Ficus Lyrata Indoors Without the Drama

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African Milk Tree

African Violet

Aglaonema