Horn Farm Center, 4945 Horn Road, York, has slated two programs. There is a fee, and registration is required at https://hornfarmcenter.org. For more information, call 717-757-6441 or email education@hornfarmcenter.org.

Emerging Abundance: Late Winter Foraging Walk will be held on Sunday, March 2, from 1 to 3 p.m. As early greens emerge and sap begins to flow, attendees will practice plant identification and discuss the harvest that winter has to offer as well as what the warm season will bring. Topics may include wild foods, local plants and ecology, alternative uses for plants through wildcrafting and medicine-making, and ethical foraging. Beginners and experienced foragers are welcome.

Horn Farm will offer a Tree Medicine class on Saturday, March 8, from 9 to 11 a.m. Topics will include tree identification techniques, ecological relationships, phenology, common trees used for medicine, and medicinal applications and preparations. Attendees should dress appropriately for the outdoors and off-trail walking, and they are encouraged to bring a pencil and notebook.

Artisanal Herbal Tinctures at Home will be presented on March 8 from noon to 3 p.m. The program will cover the fundamentals of creating alcohol and vinegar extracts using both precision and folk methods, selecting and preparing fresh and dry plant materials, determining ratios, essential chemistry and solubility concepts, tools of the trade, and terminology. Attendees will get hands-on experience making an extract to take home. Additional topics will be the application of herbal medicines and the sensory connection to plant medicine. Detailed notes and resources will be provided.

Identifying Trees by Bark will take place on Sunday, March 9, from 2 to 4:30 p.m. This program will begin with an overview of the science of tree bark, followed by a hike through the Horn Farm's woodlands to explore field identification of various tree species via bark. Other wintertime identification features, like twig arrangement, buds, and leaf scars, will also be addressed as example trees allow. Attendees should be prepared for a fully outdoor class with lots of walking on hilly woodland terrain.