California Spring Trials

National Garden Bureau now managing California Spring Trials
The event website will launch this fall, and registration for CAST 2025 will open in early 2025.
More in California Spring Trials
CAST 2023: Ball Horticultural
A showstopper centaurea from Darwin Perennials, a new mini potted cucumber and quick turnaround program from PanAmerican Seed were highlights from the Ball Horticultural stop.
CAST 2023: Southern Living Plant Collection and Pacific Plug & Liner
A stunning colocasia and a bright gold lomandra were highlights at the Southern Living and PP&L stop.
CAST 2023: PlantHaven International
PlantHaven added colors to its scented nemesias that visitors voted for in '22.
CAST 2023: Green Fuse Botanicals
Color innovations were plentiful at Green Fuse, Westhoff and Schoneveld.
CAST 2023: Suntory
Suntory celebrates 25 years of Senetti and offers a dramatic strawflower as an alternative to fall mums.
CAST 2023: Sakata
Sakata offered options for all seasons at this year’s trials.
CAST 2023: Sahin & HilverdaFlorist
Sahin and HilverdaFlorist showed off a new helianthus and a patio alstroemeria.
CAST 2023: Takii
Award-winning zinnias and versatile cannas debuted at the Takii stop.
CAST 2023: Danziger
Danziger debuts its foliage program and a petunia with a unique color pattern.
CAST 2023: Benary
A new trailing pansy, monumental begonia and festive combos are in store at Benary.