First Quality Native Wildflower Seeds – Current Lab Test Data Shown on Packet Exclusive Gold Vault Packaging – Provides 3X Longer Storage than Paper or Plastic with Triple Layer Mylar Gold Foil. Resealable/Reusable Zipper Bag – Perfect for Storing Excess Seeds Bulk Seed is Excellent for Immediate Planting or for Long Term Storage as an Emergency Seed Vault Detailed Planting Instructions on Back – Online Info also available via QR Code Native to the deserts of the southwestern United States, this plant is named for its narrow, rough leaves. This perennial forms bright yellow flowers that are very tolerant of heat and drought.