Tomato Plant Care at 8 Weeks: Pruning, Fertilizing & Supporting for Bigger Harvests Switzerland Needs Open Energy Policy And Lifting Nuclear Ban Would Send Strong Signal, Says Forum Every night at sunset, plants fold their leaves and drop them down to conserve energy. Scientists call it nyctinasty basically a built in bedtime routine Does your garden sleep too? Drop Growing Future Meals in Space Will Require Human Waste Universe Today