Dr. John Olive and Dr. Charles Gilliam, Auburn University, Ornamental Horticultural Research Center, Mobile, Alabama, 2008

16 4 8 Weigela

Suståne 16-4-8 was evaluated for use on "Red Prince" weigela. The trial compared Suståne 16-4-8 (180 day) to an industry standard 18-6-12 (8-9 mo) control release fertilizer. Each fertilizer was incorporated at a rate of 1.8 lbs of nitrogen per cubic yard. The potting medium was 100% pine bark.



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