Plant
Colorado blue spruce
2 US plant patents name this plant. 0 have expired, so those cultivars are free to propagate and sell. The next of the 2 still protected comes off patent on June 2, 2043.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Hymes Blue DreamPP35604Colorado blue spruce tree named ‘Hymes Blue Dream’UNDER PATENTJune 2, 2043
- Wards Blue WavesPP35633Colorado blue spruce tree named ‘Wards Blue Waves’UNDER PATENTJune 2, 2043
A patent expiring frees the plant, and its cultivar name with it — cultivar names cannot be trademarked. Any brand name it is sold under is a separate thing and may still be owned.