Through May 29: New works by Columbia, MD, fine art photographer and mixed-media artist Denée Barr at Adkins Arboretum, Ridgely. A reception for the artist will be held on Saturday, April 18 from 5 to 7 p.m. 410-634-2847, ext. 0 or www.adkinsarboretum.org for info.

April 1: Photography and the Mind’s Eye, Adkins Arboretum, Ridgely. 9 a.m.-noon. Photographic images of nature can reveal truths that are new and interesting, yet profound and awesome. Join photographer Ann Rohlfing to search for symbolism through the viewfinder. $15 members, $18 general public. 410-634-2847, ext. 0 to register.

April 4: Back to Basics: Bird-watching, Adkins Arboretum, Ridgely. 8-10:30 a.m. Bring your binoculars and join a walk to learn the basics of bird-watching and identification. $8 members, $10 general public. 410-634-2847, ext. 0 to register.

April 4: Gardening for a Rainy Day: Using Rain Gardens and Rain Barrels for a “Greener” Landscape, Adkins Arboretum, Ridgely. 10 a.m.-2 p.m. Consider ways to truly “green” your garden and manage both stormwater and surface runoff at this workshop that addresses two easy methods of capturing rainwater: rain barrels and rain gardens. $20 members, $25 general public. 410-634-2847, ext. 0 to register.

April 4, 11, 18, 25: Guided Walks, Adkins Arboretum, Ridgely. 11 a.m. Look for signs of spring on this walk through the Arboretum forest and meadows. Free for members, free with admission for general public. 410-634-2847, ext. 0 for info.

April 6-7: Botanical Art Series—Exploring Ferns, Adkins Arboretum, Ridgely. 9:30 a.m.-4 p.m. Learn about ferns and capture their beauty in watercolor at this workshop taught by Lee D’Zmura. $110 members, $125 general public. 410-634-2847, ext. 0 to register.

April 18: Arbor Day 5K Run at Adkins Arboretum, Ridgely. Also featuring one-mile Family Fun Run and Kids’ 100-Yard Dash. Registration at 8 a.m., 100-yard dash at 8:50 a.m., 5K at 9 a.m., Family Fun Run at 9:05 a.m. 5K: $15 pre-registration, $20 day of the race. Family Fun Run: $10 per family. 410-634-2847, ext. 0 or www.adkinsarboretum.org for info.

April 26: WOW! Wetlands are Wonderful Family Program, Adkins Arboretum, Ridgely. The Arboretum’s wetland is teeming with critters. Learn what’s stirring in the water and why wetlands are so important to our land and waterways. Pack a lunch and dress for both indoor and outdoor activities. $5/person members, $7/person general public. 410-634-2847, ext. 0 to register.