
Pennington Lawn Booster Sun & Shade Grass Seed Mix contains Smart Seed, fertilizer and soil enhancers that boost thinning lawns and enrich soil to promote healthy grass. Use Lawn Booster to overseed existing lawns receiving 4-6 hours of daily sun. Plant in the spring or fall when average temperatures are between 60 - 75 degrees, and expect a greener, thicker, and healthier lawn in 8 - 21 days.