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Using Science & Logic to Improve Horticulture
Free Services
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Hybrid Names & Genealogy Lookup
Orchid Culture Problem? Get Orchidhelp!
Orchidphotos Mailing List
Free Information
Basic Orchid Culture
Getting the Most from Your Plants
Beginners Advice
In-Home Orchid Culture
Outdoor Orchid Growing
Culture Guides by Genus
“Chilling” Phalaenopsis
Feeding and Watering
The “First Rays Regimen” for Growing Excellent Plants
General Recommendations for Feeding and Watering Orchids
Nutrients & Additives
Primer on Plant Nutrition
Fertilizer Basics
“What do Orchids Eat” Article
K-Lite Orchid / Epiphyte Fertilizer
Magnesium Supplementation
“Bloom Booster” Fertilizers
Magic Additives
Growth Stimulants
Plant Growth Stimulants IPA 3Q2014
KelpMax Kelp Extract
Why KelpMax?
Concentric Ag’s INOCUCOR Garden Solution® Plant Probiotic
Measurement, Handling, Application of Fertilizers
Plant Feeding Regimen
How to Feed Your Plants
pH & Nutrient Availability
TDS & EC
Feeding by Mass
Simplified Fertilizer Dosing Guide
Fertilizer TDS Calculator
Nitrogen Mixing Calculator Using Nitrogen Concentration
Nitrogen Management Calculator
Measuring Powders & Liquids
Dealing with Fertilizer Powders
Using Proportioners
Your Water Supply
Water Supplies
Rev Up Your Plants
How Watering Works
“Water Your Orchids”
Reverse Osmosis Process & Systems
Why First Rays Uses RO Water
Reverse Osmosis Basics
“Reverse Osmosis” Article
Sizing a Reverse Osmosis System
RO Temperature Pressure Effects
Reverse Osmosis Water Conservation Strategies
RO System Maintenance
Quick Connect Fittings
Upgrading System Capacity
Residues in Potting Media
Mineral Buildup in Potting Media
Mineral Buildup in Inorganic Media
Flushing Potting Media
Growing Conditions
Air Management
Plants & Light
Artificial Lighting
Artificial Lighting Intensity
Light Reflection & Reflectors
Measuring Light Intensity
Light Level Recommendations
Natural Sunlight Intensity
Supplemental Light
Choosing a Light Fixture
LED Lighting On The Cheap
Humidity
Evaporation
Humidify Your Home
“Stretch” Your Growing Conditions
Sizing a Greenhouse Heater
Potting, Mounting, & Displaying
How to Pot Up Plants
Choosing a Container for your Orchid
Choosing Potting Media
Sphagnum Moss – Friend or Foe?
Avoiding Repotting Woes
Particle Packing
Water Holding Capacity of Potting Media
Transplant “Adaptation”
Dealing with Aerial Roots
Root Rot – Causes & Cures
Do-It-Yourself Pot Clips
Stabilizing Pots
Slab Stands
Space-Saving Plant Rack
Pests & Ailments
Insect Pests
Aphids
Fungus Gnats
Mealy Bugs
Scale
Spider Mites
Thrips
Additional Guides to Pests, Diseases
Home Remedies
Pesticide Use Guidelines
Commercial Pesticide Guide
Miscellaneous Stuff
Nomenclature
Register Your Hybrid
Labels & Faded Label Recovery
Cutting the Flower Spike
Tray Drains
Semi-Hydroponics™
General Semi-Hydroponics™ Information
Semi-Hydroponics™ Basics
The “Dry Line”
Transplant “Adaptation”
Roots & Culture (Yes, they’re connected)
Will it Grow in Semi-Hydroponics™?
“I Can’t Grow in Semi-Hydro!”
Objections to Semi-Hydro Culture
Water-Saving, Simple Hydroponics Setup
An Unsolicited Testimonial
“No Longer A Killer” AOS Article by Charles Rhodes
Semi-Hydroponics Detailed Information
Preparing Media for Use
Presoaking Inert Media
Repotting into S/H from Traditional Media
Bottom Heat
Evaporation Reducing Barrier
PrimeAgra ®
Inert Media Comparison
Semi-Hydro Example Photos
