Light is the single most important factor in plant care, powering photosynthesis, growth, colour, flowering, and even pest resistance. Indoors, plants often get far less light than you think. Learn how sunlight and grow lights affect your plants, the minimum light levels they need, and how to avoid too much light.

Blossom end rot sparks panic every tomato season, and with it come endless myths: eggshells, milk, Tums, Epsom salts. This definitive guide explains why these tricks fail, what the science of calcium transport reveals, and which prevention strategies actually work. Forget gimmicks — here’s the real last word on BER.