I have sealed bottles of OVB from several years ago and wondered how long they would last.
I can't help you (don't know the answer), but I'll bet that there's a toll free number on the containers. That's why the number is there.
rhizo_1 (North AL) zone 7
Related Professionals
Allentown Landscape Architects & Landscape Designers · West Milford Landscape Architects & Landscape Designers · Clark Landscape Architects & Landscape Designers · Lake Oswego Landscape Architects & Landscape Designers · Vernon Hills Landscape Architects & Landscape Designers · College Park Landscape Contractors · Ellensburg Landscape Contractors · Fort Payne Landscape Contractors · Huntington Landscape Contractors · Lake Worth Landscape Contractors · Salem Landscape Contractors · San Bruno Landscape Contractors · Streamwood Landscape Contractors · West Palm Beach Landscape Contractors · Thornton Driveway Installation & Maintenance