Three firefighters were treated for injuries after battling a large fire at a gardening supply storage building Wednesday morning in Glen Head.

The fire was reported just after 8 a.m. at Big Valley Nursery along Cedar Swamp Road.

About a dozen fire departments responded, sending roughly 150 firefighters to the scene as the fire escalated to a fourth alarm.

Officials said the fire was brought under control within two hours.

The nursery sustained severe fire damage, and portions of the building collapsed.

No civilian injuries were reported.

Officials said there are no air quality concerns for nearby residents.

People are being warned to avoid the area due to significant road closures and traffic delays.