This is a mixture of 4 or more different Yucca types. Contained are Yucca glauca, Yucca filicifolia, Yucca elata and Yucca rigida. Using well draining soil mixture add 30% coarse sand. Barely cover the seeds - do not bury them or keep wet. Moisten when soil surface is nearly dry. Filtered light and warmth. Gradually move seedlings to brighter light over a period of time.