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 Known to attract flocks of butterflies, this milkweed features greenish-white flowers. It is native to the southern US, so it can take a lot of heat and is fairly drought-tolerant.