18 planting succulents in glass ideas

4 Secrets for Successful Succulents Have you ever killed a beautiful succulent in your care? Me too… but these 4 main secrets to growing healthy and thriving succulents have been my saving grace. So How to care for Succulents in a Glass Bowl? To bring life and greenery indoors through succulent terrariums or glass bowls, you need to follow one prime rule of avoiding overwatering.