California Spring Trials
California Spring Trials returns this year with exciting new varieties and colors for the 2025-26 year.
Explore California Spring Trials (CAST) 2025
The latest plants and emerging genetics are found along the California coast in March.
California Spring Trials is now managed by the National Garden Bureau. To register for appointments, click here.
We'll be in California for CAST 2025! Follow along with our live updates from the road.
You can also sign up for coverage directly in your inbox at bit.ly/GardenCenterDaily (from Garden Center) and bit.ly/GMnewsletters (from Greenhouse Management).
Participating companies include:
Ball Horticultural Company (Ball FloraPlant, Darwin Perennials, Morel, PanAmerican Seed, Selecta One)
Plant Development Services, Inc.