Birdhouse/Bottle Gourd Seeds - 20 - Non-Gmo -Licenced Pennsylvania Seed Dealer About 10-12" in diameter at bulbend with tapered end. Smooth tan and hard shell when dried. Very popular for use as a Wren, bluebird and Maritan house. All seeds shipped in corrugated box to prevent seed damage. Seed depth 3/4" , Spacing 6' , Full sun , 120 days to maturity. PA licensed seed dealer. Packed for 2017