Hard seed or dormant seed.

CFR · 2024-01-01 · US · Title 7

The label shall show the percentage of hard seed or dormant seed, as defined in § 201.57 or § 201.57a, if any is present. The percentages of hard seed and dormant seed shall not be included as part of the germination percentage.

official document · source cfr-2024 · id 7:§ 201.21