Weekend Picks

The best activities and things to do this weekend in northern Westchester:

Nature Nuts for Toddlers Wee ones will learn about shapes, colors and sizes while making nature crafts and taking a short hike. Saturday, 1:00. Croton Point Park Nature Center

Wormania Squiggly, slimy, slithery worms! Just what do they do all day long? Discover the secret underground life of worms and make a worm bin to take home stocked with red worms for home composting. Saturday, 11:00. Teatown Lake Reservation

River Songs and Stories The ever-amusing artists of Storytime Stage bring river songs and stories to life in this fast-paced program. Saturday, 11:00. Croton Free Library

Volunteer Work Day Help the farmers prepare for spring planting by clearing rocks from the fields, gardens and woodlands. Volunteers are welcome for any length of time. Saturday, 11:00 to 4:00. Stone Barns Center for Food & Agriculture

Cheever Book Discussion Author Blake Bailey will discuss his new book, Cheever...A Life! Saturday, 1:00. Ossisining Library

Jack Hanna: It’s a Zoo in Here! Jack Hanna (above) and his animal friends are back to share stories from their many travels around the world. Saturday, 3:00. Tarrytown Music Hall

Maple tree Magic Learn how sugar maple trees create delicious syrup, and discover the ins and outs of maple sugaring. Saturday, 1:00. Ward Pound Ridge Reservation

Songs of the Irish Poets The first performance of the Vocal Rising Stars recital program celebrates the lyricism of the Emerald Isle's greatest writers. Works by Thomas Moore, W.B. Yeats, James Joyce, and Paul Muldoon are set to music by Beethoven, Britten, Balfe, Barber, and others. Saturday, 8:00. Caramoor Center for Music and the Arts

The Hudson River Project In honor of the river's quadricentennial, this multi media performance will include video projections and spoken word interludes. Musicians include Mark O'Connor, Don Byron, and Daniel Bernard Roumain. The evening also features David Gonzalez reciting his three-part poem, "Oh Hudson." Saturday, 8:00. Paramount Center for the Arts

Understanding Soil Get ready for the spring gardening season and learn about your soil's texture and how to do a soil pH test. Bring along a sample of your garden soil to test. Sunday, 2:00. Lasdon Park Arboretum & Veterans Memorial

Kids Nature Walk Come search for the first signs of spring along the trail, listen for bird songs, and keep and eye out for the animals of the forest. Sunday, 2:00. Westmoreland Sanctuary

Sugaring Sundays Stoke up the fire, it’s sugaring time at Teatown! From tapping to collecting, boiling to bottling, Teatown’s naturalists will be in the sugarhouse sharing facts and folklore about this sweet time of year. 1:00 to 3:00. Teatown Lake Reservation