US Plant Patent PP16782
Spring Fling
Azalea plant name ‘Spring Fling’
PUBLIC DOMAIN
Patent expired June 7, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on April 30, 2025. This patent earned 38 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16782
- Filed
- April 30, 2005
- Granted
- July 11, 2006
- Expires
- June 7, 2025
- Assignee
- YODER BROTHERS INC
- Inventor
- BERGMAN WENDY R
Abstract
A new and distinct cultivar of Azalea plant named ‘Spring Fling’, characterized by its dark green-colored leaves that do not abscise during the cooling and forcing periods; uniform and outwardly spreading plant habit; freely branching habit; uniform and freely flowering habit; rapid flowering response; light pink-colored flowers with random red purple-colored and flecks; hose-in-hose flower form; and excellent postproduction longevity with plants maintaining good flower substance for about 32 days in an interior environment.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Azalea plant named ‘Spring Fling’, as illustrated and described.
Read the full patent: US Plant Patent PP16782 in full — the complete specification, every figure, and the file history.