Double Fertilization A unique feature of angiosperms! Learn this important concept in just 20 seconds with clear visuals and explanation. In this short you'll learn: Syngamy Zygote (2n) Native Wildflower Seed Mix Tulsa Garden Center Lithops: How to Grow and Care for Living Stone Plants Tusco 32" Cosmo Tall Round Planter Planting Seeds Directly in the Garden: Which vegetables and when to sow? The Beginner's Garden