The dog days of summer.

GROOM
Bark ’n’ Bath Charity Dog Wash
What: Volunteers attend to Buddy’s nattiness with an alfresco wash and dry ($15), then placate his frayed nerves with kibble from Polka Dog ($15).
Why: All proceeds go to land conservation org Trust for Public Land.
When: Sat., 10 a.m.-2 p.m.
Where: Hotel Marlowe, 25 Edwin H. Land Blvd., in the courtyard, Cambridge (617-868-8000).

SEE
Othello Matinee by the Commonwealth Shakespeare Company
What: Plop thy bum onto the grass for the free production of the Bard’s most arresting tragedy, starring The Wire’s Seth Gilliam (a.k.a. Sgt. Carver).
Why: Summer’s lease hath all too short a date.
When: Sun., 2 p.m.
Where: Boston Common, Parkman Bandstand, Tremont St., at Winter St.

SHOP
Girls’ Night Out at Seed Stitch Fine Yarn
What: Free event with wine and eats, where local stylist Jen Finkenaur introduces retro-style necklaces, bracelets, and rings from celeb-fave Stella & Dot. 
Why: Enjoy 10 percent off all natural fiber yarns and accessories at the hip North Shore craft store, then head next door for a shellfish din at The Lobster Shanty. 
When: Fri., 6-8 p.m.
Where: 21 Front St., Salem (978-744-5557).

SLURP
National Oyster Day at The Bristol Lounge
What: Down $2 bivalves from Wellfleet and Duxbury between glasses of prosecco, blanc de blanc, and sparkling rosé inside the Four Seasons’s sumptuous ground-floor parlor.
Why: The evening’s giveaway is a gorg freshwater pearl necklace from local high-end jeweler Pageo.
When: Tonight, 5-7:30 p.m.
Where: 200 Boylston St., Back Bay (617-351-2037).

DISCOVER
Third Annual Local Cheese Tasting
What: The A1 folks behind Boston Localvores set up a garden-side sampling of artisan delicacies from more than fifteen regional farms, including Crystal Brook, Narragansett Creamery, and Shy Brothers.
Why: Think global; source local (and BYOB, if you so desire).
When: Sun., 3-5 p.m.
Where: Somerville Community Growing Center, 22 Vinal Ave., Union Square (617-666-2969). Suggested donation is $3.

Photo: Courtesy of Hotel Marlowe

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