Foster Botanical Gardens, 522-7060: "Na Waiwai i Ka La'au o Hawai'i Nei" presents workshops and entertainment from June 10-15. Workshops June 10-12 are free; demonstrations/entertainment 10 a.m. to 4 p.m. June 14-15 costs $5 per day. Call at 373-2759.
Halawa Xeriscape Garden, 527-6113: Free admission to garden of dry-land plants at Halawa Industrial Park 10 a.m. to 2 p.m. Saturdays and Wednesdays. Tours are free on Thursdays and the last Saturday of each month; call 527-6113 for an appointment.
Ho'omaluhia Botanical Garden, 233-7323: Learn about rain forest plants 10 a.m. Saturdays and 1 p.m. Sundays. Free.
Compost workshop, 9:30 to 11:30 a.m. every fourth Saturday of the month.
Urban Garden Center, 453-6050: Classes 9:30 to 11:30 a.m. Wednesdays, 962 Second St. Call for a registration form. Or plant, harvest and taste dryland taro, 9:30 a.m. June 7.
Wahiawa Botanical Garden, 621-7321: Hands-on gardening, 9 to 11 a.m. Wednesdays. Free.