Gardens Aglow will return to the Essex County Presby Memorial Iris Gardens, 474 Upper Mountain Ave., on Friday, Oct. 20, from 6 to 9 p.m.

The free event includes a display of carved botanic, floral, and Halloween-themed pumpkins created by high school students. The jack-o’-lanterns will be lit with candles and lined around the flower beds to help illuminate the gardens. Seasonal refreshments will be available.

For more information, visit, or call 973-268-3500.