Dates Announced for California Spring Trials 2026

The California Spring Trials 2026 logo. | National Garden Bureau

National Garden Bureau (NGB) has announced the dates for California Spring Trials 2026: March 24-27, 2026.

CAST 2026, a key industry event for brokers, growers, and retailers, will again be held at multiple locations across California, offering industry professionals an exclusive preview of upcoming ornamental and edible plant introductions and new varieties.

Based on feedback from California Spring Trials 2025, CAST 2026 will follow a Tuesday-Friday schedule, starting on Tuesday, March 24, 2026.

For those who missed this year’s California Spring Trials or are looking to learn more, check out our post-event CAST 2025 content here on the Greenhouse Grower website.