Down to Earth™ Starter Mix 3-3-3 is starter and transplant formula, and the perfect way to get your delicate young starts and new seedlings in the ground and ready to thrive. In addition to essential primary and secondary plant nutrients we've added a beneficial mix of endomycorrhizal fungi to ensure successful planting, expansive root development and vigorous early growth. Use Starter Mix throughout the growing season when transplanting, preparing seed starting soil mixes and for container grown flowers, herbs and vegetables.