Zz plant branches leaves slowly turning yellow then brown then dying. Already cut two stems off. Water thoroughly until runs through drain holes about once every 3 weeks. Gets indirect light, no For optimal seedling growth under grow lights, maintain a distance of 2 3 inches initially, adjusting as seedlings grow, and monitoring for signs of damage or stretching. Personally, I aim for a distance Hoffman Cactus & Succulent Soil Mix 10 Qt Replacement and the right Distance of your grow light hortione.com Fertilizing Houseplants Plant Addicts