Hoya Sweetheart Mountain Crest Gardens Experiment: growing succulents in water Wolves in London Seed Collections, Temperate Thai Garden (Organic) Adaptive Seeds How high of humidity is too high for my cacti succulents? : r cactus Two Easy Ways to Speed up Cilantro Germination: , 1. Gently crush the seeds using a mortar & pestle., 2. Soak seeds in water for 24 hours prior to planting., Coriander seeds have a hard outer