Light doses of miracle grow @philstalder I always less than recommended measure to feed them. Let the lava rocks I put in the bottom of every pot do there think. Volcanic materials and soil is the best on the planet. I noticed right away, when I started using lava rock the plants were doing so much better. I either pot it in the bottom of pots or on top of the soil
@KeriSamuel they have to kept in a very humid environment is the trick. My garden house is just that. It only had one vent and the watering of my food plants in the ground every morning or event provide the needed humidity.