Alva Review-Courier -

STILLWATER, Okla. – Oklahomans are being asked to go against their natural curiosity and green-thumb tendencies, setting aside mail deliveries of mystery seeds from China instead of planting them.

The packages have turned up in several other states as well, including Kansas, Kentucky, Louisiana, Ohio and Washington, according to reports from those states’ departments of agriculture. Many of the seeds have been mailed in white or yellow pouches with the words “China Post” in English and other words in Chinese lettering. Some of them falsely suggest jewelry inside; others provide no clues about...