100%
Burpee Mammoth Sunflower Seeds 7gm Non-GMO Seed Packet
by Burpee— Made in Warminster, PA
Verified American Made
American Score
82% — High
Why not 100%? Full verification requires additional independent sources
Manufactured in Warminster, PA
Manufacturing in USA since 1876Verified through 2 independent sources
- Known factory location
- Brand website
Evidence Breakdown
Factory: City-level verified
Website claim: Yes
History: 20+ years
Overseas lines: None known
Burpee Mammoth Sunflower Seeds, 7gm non-GMO heirloom seed packet. Towers up to 12 feet with flower heads up to 12 inches. Pollinator-friendly annual. From Burpee, Pennsylvania-based seed company founded in 1876.
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Burpee Mammoth Sunflower Seeds 7gm Non-GMO Seed Packet
82% American Score