An evening of classical music featuring Lyric Soprano and BKW alumna Amanda (Hellwig) Vallejos Dessert Bar to follow. Free will donations to support the Helderberg Family and Community Organization’s offerings of exciting opportunities for area kids and families.  (518) 618-5376. Event starts at 7:00 p.m. at the Octagon Barn, 588 Middle Road in Knox. Use Delanson 12053 for GPS.

Introduction to Western Herbalism. Join Huyck Preserve staff member, Leah Waldron, for an introduction to the study and use of North American herbs. Suggested donation: $5 non-members, members and children under 12 free. Registration required. Event starts at 10:00 a.m. at Eldridge Research Center, 284 Pond Hill Road, Rensselaerville, NY.

Pizza Beach Party. with BeGolden Farms on Lake Myosotis Beach. Enjoy wood-fired, farm-to-table pizzas cooked to order and topped with BeGolden Farm’s fresh-picked produce. Part of sales benefits the Huyck Preserve. From 5:00 to 7:00 p.m. at Lake Myosotis, Rensselaerville, NY 12147

Evening Hike along Lake Myosotis. Following our beach pizza party with BeGolden Farm’s pizza truck, join us for a relaxing hike along the lake on a summer’s eve. Suggested donation: $5 non-members, members and children under 12 free. Meet at 6:00 p.m. at Lake Myosotis Beach, Pond Hill Road, Rensselaerville.

Wheeler-Watson Cemetery Work Day. Come help maintain the historic Wheeler-Watson Cemetery on the Huyck Preserve. 9:00 to 11:00 a.m. and this event meets at Eldridge Research Center, 284 Pond Hill Road, Rensselaerville.

Adopt-a-Highway Cleanup with Friends at Thacher Park. Please help the Friends of Thacher Park clean up their adopted section of Thacher Park Road. Must be 18 or older and able to walk about 3 miles downhill. Call 518-872-0800 to register.  Meet at 9:00 a.m. at the Hop Field picnic area.

Introduction to Western Herbalism. Join Huyck Preserve staff member, Leah Waldron, for a beginner’s introduction, North American herbs. Registration:

Art Gallery Fundraiser at Barcelona Restaurant. The restaurant will be hosting a fundraiser in support of Albany Center Gallery. Starts at 5:00 to 10:00 p.m. at Barcelona Restaurant, 1192 Western Ave. Albany, NY

Animals Extravaganza, Guilderhaven. Selling original works of art to benefit Guilderhaven. Chocolate, coffee, live music, coloring contest, and more. (518)861-6861. 5:30 to 7:30 p.m. Guilderland Public Library, 2228 Western Ave., Guilderland.

Invasive Species Series: Water Chestnut Removal. Volunteer with us at the start of Invasive Species Awareness Week to remove highly invasive water chestnut from Lincoln Pond. From 9:00 to 11:00 a.m. at Eldridge Research Center, 284 Pond Hill Road, Rensselaerville.