National Garden Bureau Announces Important California Spring Trial Updates

Downers Grove, IL — National Garden Bureau (NGB), manager for the California Spring Trials (CAST) registration, is pleased to announce new participants and new locations for some breeding companies.

1. As earlier announced, Benary is moving from Watsonville to Santa Barbara, specifically to Por la Mar Nursery at 905 S. Patterson Ave., Santa Barbara, CA 93111.
2. Global Plant Source, representing Israeli breeding and propagating companies Cohen, Hishtil, Sad Assaf and Jaldety, is moving from Watsonville to the Santa Barbara Polo Club at 3300 Via Real, Carpinteria, CA 93013.
3. A new company is joining CAST 2026, Walter’s Gardens, also at the Santa Barbara Polo Club at 3300 Via Real, Carpinteria, CA 93013.
4. Another new participant, Express Seed Company, is joining Danziger and ThinkPlants at the Headstart Nursery location at 4860 Monterey Rd, Gilroy, CA 95020.

The dates for the 2026 event are March 24-27, 2026, a Tuesday-Friday pattern.

Until registration opens (no later than January 2, 2026), attendees can begin planning their schedules now by using the trip planner found at https://caspringtrials.us/trip-planner.

This key industry event for brokers, growers, landscapers and retailers will again be held at multiple locations across California, offering an exclusive preview of upcoming ornamental and edible plant introductions.

For those who missed the 2025 event, breeder summaries and trade media coverage are available at caspringtrials.us.

Plan now to attend CAST 2026 for a first look at the future of horticulture!

National Garden Bureau is a nonprofit organization founded in 1920 with a mission to disseminate basic instructions for home gardeners while also serving the needs of its members.  NGB publishes and sponsors the annual “Year Of” program, New Plants, Garden Products, a Therapeutic Garden Grant, Market Share Surveys and more.