It’s very disheartening to pick a lovely ripe tomato in your greenhouse and discover the bottom is all hard, black and sunken. That’s Blossom-end rot. It can also affect melons, squash, peppers, and aubergines. It’s not an infectious disease but a physiological disorder caused by lack of calcium in the plant. Calcium is needed to … Continue reading Blossom end rot in Greenhouse grown tomatoes