Best Aroid Soil Mix: A Simple Recipe Backed by Research
The Pantry | Potting Mixes The best aroid soil mix is simpler than online “formulas” suggest: roughly equal parts of a quality potting mix, orchid … Read more
Potassium Silicate for Houseplants: What It Really Does
The Pantry | Potassium Silicate for Houseplants Potassium silicate is sold to houseplant growers as a “silica supplement” that promises stronger stems, tougher leaves and … Read more
Armored Scale on Indoor Plants: How to Identify and Treat It
The Infirmary | Armored Scale on Indoor Plants Small, hard, brown, gray or white bumps stuck to the stems and leaf veins of a houseplant … Read more
Best Miticide for Houseplants: What Kills Spider Mites
The Infirmary | Spider Mite Control The best miticide for houseplants is usually the simplest: a strong rinse of water, then insecticidal soap or horticultural … Read more
VPD for Indoor Plants: What It Is, Chart and Target Ranges
The Lab | VPD for Indoor Plants If you grow humidity-loving plants in a cabinet, a greenhouse tent or a bathroom, you have probably seen … Read more
Rubbing Alcohol for Mealybugs: Mix Ratio, Spray and Eggs
The Infirmary | Pest Control Rubbing alcohol for mealybugs is one of the simplest treatments for houseplants: the University of California IPM program says a … Read more
How to Propagate in Sphagnum Moss and Move Cuttings to Soil
The Urban Lab | Propagation Protocol How to propagate in sphagnum moss: soak long-fiber sphagnum until it is evenly damp, squeeze out the excess so … Read more
Distilled Water for Calathea: Best Water and Tap Water Risks
The Lab | Calathea and Goeppertia The best water for calathea is low in fluoride and dissolved salts: distilled water, reverse osmosis water or clean … Read more
Monstera in Lechuza PON: How to Transition It Step by Step
The Lab | Monstera in Lechuza PON How to transition a Monstera to Lechuza PON: set the plant in the planter on a thin layer … Read more