NJHA holds its convention during the first weekend of October at a different host city each year. A diverse group of projects and activities covering all areas of horticulture are offered at the annual meeting. Convention events include contests in the horticultural demonstrations, public and extemporaneous speaking, and horticulture judging and identification; photography exhibition; and evaluation of projects in environmental awareness, experimental horticulture, and marketing. Additionally, workshops and tours of local horticulture industries and local points of interest are scheduled.