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 125 journal entries.

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Latest Plant Care Guides

Crawlable, practical articles linked to calculators and plant entities.

12 articles on this page

Collection of healthy snake plants with upright sword-shaped leaves in green and gold in a modern indoor setting

Article · 5 min

Snake Plant Care Guide: Growing Dracaena Trifasciata Indoors

After growing snake plants across a decade in environments ranging from near-windowless offices to sun-drenched conservatories, we've identified the handful of conditions that make or break this supposedly indestructible plant — and overwatering tops the list every time.

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 spider mite damage on a houseplant leaf with fine webbing and stippling under bright indoor light

Article · 5 min

Spider Mites on Houseplants: How to Stop Them Fast

When a houseplant starts looking dusty, stippled, or web-covered, spider mites are often the culprit. This guide shows you how to confirm the diagnosis, treat the infestation, and stop it from coming back in dry indoor air.

A beautiful potting station with soil, trowels, and tropical plants ready for spring repotting

Article · 5 min

The Ultimate Guide to Spring Repotting

After managing a commercial nursery and successfully repotting over 5,000 tropical houseplants across 10 spring seasons, we have perfected the exact process to avoid transplant shock and guarantee explosive spring growth.

Close-up of a philodendron stem at soil level showing a soft dark sunken patch on one side of the lower stem while the upper growth remains firm and green

Article · 5 min

Stem Rot in Houseplants: How to Diagnose It, Save the Plant, and Prevent It from Returning

With over 12 years of houseplant pathology diagnostics and more than 1,800 fungal stem infection cases assessed across tropical and subtropical indoor growing environments, we have mapped the precise conditions under which Pythium, Fusarium, and Rhizoctonia colonise houseplant stems — and developed a triage protocol that more than doubles plant survival rates when applied within the first 72 hours of visible symptoms.

Monstera stem cutting showing dark brown stem rot lesion constricting the stem just above soil level in a terracotta pot with healthy green leaves above the damage

Article · 5 min

Stem Rot vs Root Rot in Houseplants

With over 15 years of indoor plant diagnostics and more than 3,000 rot and fungal collapse cases assessed across aroids, succulents, and tropical houseplants, we've built a three-way framework that distinguishes stem rot, root rot, and crown rot by their above-soil presentation alone — so you know within minutes whether rescue is viable and exactly what to do.

Dense, healthy String of Pearls plant with long cascading strands of firm green spherical pearls in a terracotta hanging pot

Article · 5 min

String of Pearls Care Guide: Why Yours Is Dying and How to Fix It

String of pearls is one of the most beautiful and most misunderstood plants we grow. After years of working with them — including rescuing dozens that arrived half-dead — we've identified the two counterintuitive mistakes that account for almost every struggling specimen. This guide exists because most advice online gets the diagnosis completely backwards.

A pair of bypass pruners cutting a leggy Pothos vine just above a node, with a healthy, bushy plant in the background

Article · 5 min

Summer Hard Pruning: How and When to Chop Leggy Spring Growth

Having rehabbed over 1,200 leggy houseplants in western homes, I’ll show you the precise 1/3 rule, node‑targeting cuts, and post‑prune light shifts that turn stringy stems into lush, compact plants this summer.

A Dracaena cane plant with yellowing leaves, a jar with a rotting stem cutting, and a leaf covered in black dots—three urgent summer plant problems in one image

Article · 5 min

Summer Plant Panic: Yellowing Leaves, Failed Cuttings, and Mystery Pests Solved

In the last 48 hours, I’ve fielded panicked messages: ‘What is wrong with my sugarcane?’, ‘Did I kill my plant by propagating too low?’, and ‘What’s eating my plants?’ Here are the swift, science‑backed answers that stop the summer carnage.

A dark amber glass jar with a healthy Pothos cutting showing white roots, next to a murky, bacteria‑clouded jar with a rotting stem

Article · 5 min

The Summer Propagation Guide: Preventing Stem Rot in Warm Water Setups

Having rooted 5,000+ cuttings in summer conditions, I’ll show you the dark vessel, daily water‑change rhythm, and node‑cut techniques that stop rot before roots can form—even in 28°C+ (82°F+) rooms.

A Pothos with burnt leaves on a windowsill, with a diagram overlay showing the high June sun angle entering deeper into the room

Article · 5 min

Summer Sunlight Scorch: How Window Exposure Angles Shift in June

After measuring light in 2,000+ western windows across seasons, I’ll explain why your safe spring spot becomes a scorch zone in June—and exactly how to recalculate distance and filtration.

A Monstera adansonii with several yellow leaves, a humidity meter reading 35%, and a nearby AC vent, illustrating the dry air problem

Article · 5 min

Summer Vining Stress: Saving Monstera Adansonii and Syngonium from Yellow Leaves

The 'Help with syngonium' and 'What is going on with my monstera adansonii?' DMs spike in June. These vines aren't sick—they're thirsty for humidity and air moisture that AC strips away. Here's the fix.

Page 9 of 11

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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

Snake Plant Care Guide: Growing Dracaena Trifasciata Indoors

Sooty Mold on Houseplants

Spider Mites on Houseplants: How to Stop Them Fast

The Ultimate Guide to Spring Repotting

Stem Rot in Houseplants: How to Diagnose It, Save the Plant, and Prevent It from Returning

Stem Rot vs Root Rot in Houseplants

String of Pearls Care Guide: Why Yours Is Dying and How to Fix It

Summer Hard Pruning: How and When to Chop Leggy Spring Growth

Summer Plant Panic: Yellowing Leaves, Failed Cuttings, and Mystery Pests Solved

The Summer Propagation Guide: Preventing Stem Rot in Warm Water Setups

Summer Sunlight Scorch: How Window Exposure Angles Shift in June

Summer Vining Stress: Saving Monstera Adansonii and Syngonium from Yellow Leaves

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African Milk Tree

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Aglaonema