Sign up for a brunch sail on the schooner Bonnie Lynn out of Sterling Harbor on Sunday morning. (Photo Courtesy of East End Charters)

THURSDAY

Flower Arranging Workshop | North Fork Flower Farm, 48455 Middle Road, Southold, 631-769-9678

Learn to artfully arrange flowers with guidance from the folks at North Fork Flower Farm from 2-3 p.m. Cost is $40 and covers a variety of flowers, herbs and grasses; to sign up for this Cutchogue-New Suffolk Library program, click here.

Author Talk: Caroline Sutton | Ram’s Head Inn, 108 Ram Island Drive, Shelter Island Heights, 631-749-0811

As part of the Ram’s Head’s Fireside Chats series, natural history writer Caroline Sutton discusses horseshoe crabs and will sign copies of her book, Eyes in the Soles of My Feet, from 4-5:30 p.m. Free, reservations required. To reserve, click here.

Janis Ian: Breaking Silence | North Fork Arts Center, 211 Front Street, Greenport, 631-477-8600

At 7 p.m. catch this documentary on singer-songwriter Janis Ian, followed by a discussion of the film with director Varda Bar-Kar. Tickets are $30 and may be obtained here.

FRIDAY

The Hot Jupiters | New Suffolk School Ballfield, 850 Fourth Street, New Suffolk

Sponsored by the New Suffolk Civic Association, bring your lawn chairs, blankets and refreshments for this free concert that starts at 5:30 p.m. For details, look here.

The Greenport Band | Mitchell Park, 115 Front Street, Greenport, 631-477-2200

Catch this free show at 7:30 p.m. by this historic community band that dates back to 1851. Bring chairs and blankets; rain cancels. For details, look here.

SATURDAY

Cardboard Boat Race | Peconic Riverfront Park, 40 Peconic Ave., Riverhead, 631-727-5744

Sponsored by the Riverhead Chamber of Commerce, teams will race homemade cardboard boats across the Peconic River with trophies for the winners; waterfront festival with family activities and a vendor marketplace. Event begins at 9 a.m., race begins at 11 a.m. For race rules, fees and more information, look here.

Oyster Tasting, Talk and Tour | Peeko Oysters, 900 First St., New Suffolk, 631-765-7994

This land-based tour offers an unlimited oyster tasting, a behind-the-scenes tour of Peeko’s processing center, an in-depth talk and a shucking lesson from 2-3:30 p.m. Tickets are $125 and may be obtained here.

Salon in the Garden: Anne Spencer | Landcraft Garden Foundation, 4342 Grand Avenue, Mattituck, 631-298-7216

Enjoy a celebration of Anne Spencer, Harlem Renaissance poet, civil rights activist and gardener, with poetry reading and screening of Earth I Thank You: The Garden and Legacy of Anne Spencer, a documentary on her life. Doors open at 6:30 p.m., with wine and light bites. Tickets are $68 and may be reserved here.

SUNDAY

Sunday Brunch Sail | East End Charters, 1100 Manhasset Ave., Greenport, 631-771-6622

Take a two-hour morning sail on the schooner Bonnie Lynn, departing from Stirling Harbor, with brunch from Pip’s Café and Provisions. Boarding begins at 9:15 a.m., departure at 9:30 a.m.; tickets are $135 per person (for ages 5+). To reserve, look here.

Reunion | Poquatuck Hall, 1160 Skippers Lane, Orient, 631-599-7019

New York Festival of Song presents Stephen Blier and Theo Hoffman, performing music by Sondheim, Schubert, Springsteen, Gershwin and more from 3-4 p.m. Tickets are $25 and may be obtained online or at the door.