US Plant Patent PP17849
Spice Island
Digitalis plant named ‘Spice Island’
PUBLIC DOMAIN
Patent expired December 1, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 31, 2025. This patent earned 184 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17849
- Filed
- May 31, 2005
- Granted
- July 3, 2007
- Expires
- December 1, 2025
- Assignee
- WILSON HEATHER
- Inventor
- WILSON HEATHER
Abstract
A new and distinct cultivar of Digitalis plant named ‘Spice Island’, characterized by its upright and sturdy plant habit; short internodes; dense and bushy plant form; long flower racemes; freely flowering habit; and orange and yellow-colored flowers.
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 Digitalis plant named ‘Spice Island’, as illustrated and described.
Read the full patent: US Plant Patent PP17849 in full — the complete specification, every figure, and the file history.