US Plant Patent PP14912
Sweet Caroline Purple
Ornamental sweetpotato plant named ‘Sweet Caroline Purple’
PUBLIC DOMAIN
Patent expired April 2, 2022. This plant is in the public domain — anyone may propagate and sell it.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP14912
- Filed
- April 2, 2002
- Granted
- June 15, 2004
- Expires
- April 2, 2022
- Assignee
- UNIV NORTH CAROLINA STATE
- Inventor
- PECOTA KENNETH; YENCHO G CRAIG; PIERCE CYNTHIA
Abstract
A new and distinct ornamental cultivar of Ipomoea batatas called 'Sweet Caroline Purple' is described that is a moderately compact, densely-mounding, plant with purple leaves that are deeply-lobed. The plant is distinguished by its short shoots and highly branched plant habit. Furthermore, this plant has excellent vigor and will flower under short day conditions. Ipomoea batatas 'Sweet Caroline Purple' is suitable for use in landscaping and containerized gardens.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Ipomoea batatas plant named ‘Sweet Caroline Purple’, substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP14912 in full — the complete specification, every figure, and the file history.