Plant Trials

MSU Extension 2025 fields days schedule

Michigan State University AgBioResearch and MSU Extension, in collaboration with Michigan’s agricultural commodity groups, will host field days statewide from May through September 2025. These events will feature research updates, resources and strategies for growers... more »

International Plant Trialing Conference releases full program for 2025

After a 10-year break, the Plant Trialing Conference will return from Oct. 13-15, 2025, offering updated insights and education. The full program for this event is now available here. The event will be held at... more »

Turn over a new leaf at California Spring Trials 2025

California Spring Trials is always a blast of new forms, colors and trending tips. Officially set for March 25 to 29, more than 30 breeding companies are in preparation to show off the newest plant... more »

NGB 2025 Green Thumb Award winners are here

The National Garden Bureau (NGB) has revealed the winners of the 2025 Green Thumb Awards.These awards, established in 1998, recognize exceptional new plant varieties and gardening products that meet rigorous criteria, including uniqueness, innovation, problem-solving capabilities,... more »

NGB will unveil new management system for 2025 California Spring Trials

National Garden Bureau (NGB) will manage the California Spring Trials, formerly known as the "Pack Trials". This marks a significant shift for the event, which has been a key fixture in the horticulture industry for... more »

Forty under 40 perspectives: Native plant trials at Mt. Cuba Center

Mt. Cuba Center has a long history of conservation dating back to the 1930s when Pamela and Lammot du Pont Copeland purchased land in the rolling hills of northern Delaware. The Copelands had a particular... more »

Trial Garden Report: Penn State Flower Trials

The Penn State Flower Trials is located at the Southeast Agricultural Research & Extension Center (SEAREC). It serves as living laboratories and garden classrooms for horticulture, plant pathology and entomology. The Penn State Flower Trials... more »

Award-winning varieties

Each year many associations, shows and trial gardens give recognition to strong performing annuals, perennials and shrubs by giving out awards. This roundup includes only a small sample of all the honorees celebrated by the... more »

Dümmen Orange recaps 2024 summer trial season

Dümmen Orange participated in several industry trials across North America this summer, showcasing a range of new plant varieties. Notable locations included Colorado State University, Penn State University, Metrolina Greenhouses and the University of Georgia.... more »

Deadline extended to enter perennials in 2025 AAS Trials

All-America Selections announced an extension for breeders to enter perennial varieties for evaluation in the 2025 AAS Trials. The new deadline to enter is Sept. 30, 2024. The AAS Perennial Trial evaluates genetics over a... more »