House & Garden’s Bud-XL 0.4 - 0 - 0.2 is a proprietary flowering additive blend designed to provide key soluble nutrients to support the transfer natural plant sugars from the leaves to the flowering sites, improving growth, vigor, and yield. This pioneering approach allows plants to fulfill their genetic potential while enhancing inherent traits. Used mid-flower through harvest, Bud XL also supplies the essential macronutrients that support key enzymatic processes and the sugar transport required for flowering. It’s essential blend of water soluble nitrogen and soluble potassium levels enables your plants to produce high yields of high quality flowers and fruits.