US Plant Patent PP17483
Sweet Caroline Red
Ornamental sweetpotato plant named ‘Sweet Caroline Red’
PUBLIC DOMAIN
Patent expired December 28, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on September 28, 2024. This patent earned 91 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17483
- Filed
- September 28, 2004
- Granted
- March 13, 2007
- Expires
- December 28, 2024
- Assignee
- UNIV NORTH CAROLINA STATE
- Inventor
- PECOTA KENNETH; YENCHO G CRAIG; HANCOCK JR CHARLES NEWELL
Abstract
Ipomoea batatas ‘Sweet Caroline Red’ has very distinct coloration; new shoots are yellow-green in color and transition to a dark burgundy-red color when mature. The stems and petioles of the mature plant are also dark burgundy-red in color. The leaves are large, palmately lobed and veined. ‘Sweet Caroline Red’ has a moderately compact growth habit and is a low, mounding-to-trailing plant with an overall oval shape that is suitable for use as a ground cover or in containerized landscape settings. The plant also has excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Ipomoea batatas plant named ‘Sweet Caroline Red’, substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP17483 in full — the complete specification, every figure, and the file history.