US Plant Patent PP33309
Spinderella
Hibiscus plant named ‘Spinderella’
UNDER PATENT
Still under patent. Protection ends February 23, 2041.
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
- PP33309
- Filed
- February 23, 2021
- Granted
- August 3, 2021
- Expires
- February 23, 2041
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A new and distinct cultivar of winter-hardy, herbaceous, perennial, hybrid Hibiscus plant named ‘Spinderella’ comprising a compact, dense, mounded habit of multiple, well-branched, basal stems producing flowers from the bottom to the top of the plant from late July to frost. Flowers have petals that are broadly-overlapping, with deeply impressed veins of white radiating through the center that intensifies to a medium pink on the leading edge. The foliage is simple and ovate, with a crenulate margin and deep-green with greyed-purple blotches.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new cultivar of hardy herbaceous perennial Hibiscus hybrid plant named ‘Spinderella’ as herein illustrated and described.
Read the full patent: US Plant Patent PP33309 in full — the complete specification, every figure, and the file history.