Jonathon Green Black Beauty Keystone Pennsylvania Grass Seed 25 lb. Catalog Lawn & Garden Grass Seeds Shade Jonathon Green Black Beauty Keystone Pennsylvania Grass Seed 25 lb. Manufacturer : Jonathan Green Lawn and Garden Description Specially formulated for Pennsylvania lawns Thrives in full sun to medium-shaded areas Grows dark green, drought-resistant, and highly durable lawns Germinates in 10 - 14 days Rates Please contact us for current pricing and availability.