Fertilizer Reference
Fertilizer Library
By PlantSolve Editorial Team
Browse comprehensive fertilizer references by category, formulation, usage context, dosage guidance, and practical safety notes for all indoor plants.
Entries
12
Organic
3
Liquid
7
12 entries on this page. Use header search for the full library.
All fertilizer guides
organic
Espoma Organic Indoor Plant Food: Dosage & Dilution
A premium, organic liquid fertilizer perfectly balanced for safe, consistent indoor plant growth.
- Type
- liquid
- Usage
- General purpose feeding during active spring and summer growth.
troubleshooting
Fertilizer Burn on Houseplants: Symptoms & Fast Fixes
How to identify, treat, and prevent fertilizer burn in houseplants and garden plants.
- Type
- plant-problem
- Usage
- Diagnosing and correcting nutrient salt damage in plants
organic
Fish Emulsion for Houseplants: Dosage & Dilution Guide
A fast-acting, organic liquid fertilizer rich in nitrogen and beneficial microbes.
- Type
- liquid
- Usage
- Boosting vegetative growth and soil microbe activity
hybrid
FoxFarm Grow Big for Houseplants: Dosage & Feeding Guide
A potent, fast-acting 6-4-4 liquid fertilizer designed for heavy-feeding plants.
- Type
- liquid
- Usage
- Maximizing vegetative growth in fast-growing crops
bloom-booster
NPK 10-26-26 for Houseplants: Flowering Dosage Guide
A low-nitrogen, high-phosphorus and potassium fertilizer for flowering and fruiting plants.
- Type
- water-soluble
- Usage
- Flowering, fruiting, and root development
balanced
NPK 19-19-19 for Houseplants: Safe Dosage & Dilution Guide
A balanced water-soluble fertilizer for all growth stages.
- Type
- water-soluble
- Usage
- Vegetative growth and balanced nutrition
balanced
NPK 20-20-20 for Houseplants: Safe Dosage & Dilution
A slightly more concentrated balanced water-soluble fertilizer for all growth stages.
- Type
- water-soluble
- Usage
- Vegetative growth and balanced nutrition
guide
NPK Ratio Comparison: 10-10-10 vs 19-19-19 vs 20-20-20 Guide
A side-by-side comparison of the most common balanced NPK fertilizer ratios and when to use each.
- Type
- comparison-hub
- Usage
- Choosing the correct balanced fertilizer ratio for a given plant and growth stage
organic
Organic Compost Guide: Improve Soil & Boost Plant Growth
The cornerstone of organic gardening. Compost enriches soil, promoting a healthy ecosystem of beneficial microbes.
- Type
- Organic Amendment
- Usage
- Soil amendment, top dressing
guide
Organic vs Synthetic Fertilizer: What's Best for Houseplants?
A side-by-side comparison of organic and synthetic fertilizers to help you choose the right option for your garden.
- Type
- comparison-guide
- Usage
- Choosing between organic and synthetic fertilizer for houseplants, vegetables, and lawns
slow-release
Osmocote Smart-Release Plant Food: How to Apply It Safely
A granular, slow-release fertilizer that feeds indoor and outdoor plants continuously for up to 6 months.
- Type
- granules
- Usage
- Long-term, set-it-and-forget-it nutrition for foliage and blooming plants.
synthetic
Superthrive Foliage Pro for Houseplants: The 9-3-6 Guide
A complete liquid nutrient formula with the ideal 3-1-2 macro ratio for tropical houseplants.
- Type
- liquid
- Usage
- Regular maintenance for indoor tropicals and aroids
No matching fertilizer guides found
Try a broader fertilizer type or category term.
Recommended next actions
Continue Your Care Workflow
After selecting a fertilizer reference, validate dosage and timing with calculators, plant guides, and troubleshooting articles.
Calculator
Aquarium Fertilizer Calculator: Macro & Micro Doses
Calculate exact macro and micro fertilizer doses for your planted aquarium based on tank volume, plant density, CO2 system, and dosing strategy.
Calculator
Compost Calculator: How Much Do You Need?
Get the perfect compost volume for your garden in seconds. No more excess bags or weak amendments – tailored for your soil type (sand, clay, loam).
Calculator
Grow Bag Size Calculator: Find the Right Bag for Every Plant
Find the perfect grow bag size for your plant based on root depth, plant type, and expected mature size.
Plant Guide
African Milk Tree Care: Watering & Toxic Sap Guide
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 Care: Bottom Watering & Bloom Tips
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
Alocasia Amazonica Care: Fix Yellow Leaves & Dormancy
The Alocasia Amazonica (African Mask Plant) is a stunning but demanding houseplant. It requires high humidity, warmth, and careful watering to prevent root rot and leaf drop.