US Plant Patent PP11854
Plum Crazy
Hibiscus plant named ‘Plum Crazy’
PUBLIC DOMAIN
Patent expired April 12, 2019. 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
- PP11854
- Filed
- April 12, 1999
- Granted
- May 1, 2001
- Expires
- April 12, 2019
- Inventor
- FLEMING DAVID W; ZWETZIG GRETCHEN A
Abstract
A new and distinct cultivar of winter hardy hibiscus plant named ‘Plum Crazy’ is the result of a unique hybridization. This new and distinct cultivar is characterized primarily as to novelty by its extreme cold hardiness to Zone 4, its rich dark purple “maple-cut” leaves, its large, campanulate plum flowers with dark purple centers and purple streaking to the petal edges, its vigorous and uniform growth habit, and its floriferous nature from midsummer until frost.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct cultivar of hibiscus plant, as herein shown and described, characterized by its dark, rich, purple “maple-cut” foliage, its large, cup-shaped plum flowers with dark purple centers and purple streaking to the petal edges, its vigor, and its hardiness.
Read the full patent: US Plant Patent PP11854 in full — the complete specification, every figure, and the file history.