Art Car Boot Fair

Uncovering a dusty Old Master behind a stack of unwanted wedding presents is usually the stuff of fantasy, but bargain hunters can bag original work by the likes of Gavin Turk, Sir Peter Blake and Bob and Roberta Smith at one of the more unusual car boot sales taking place in London this Sunday.

The Art Car Boot Fair is held in Brick Lane's Old Truman Brewery and features more than 60 artists peddling their wares. Event sponsor Vauxhall has provided a number of old vehicles which have been customised to serve variously as canvases, showrooms and performance spaces.

Pop artist Sir Peter Blake may well be one of the UK's most eminent painters but, in keeping with the affordable ethos of the event, he'll be selling signed prints of his work for a mere £25 (eBay hustlers should note that it's one print per person only). Turk stole the show last year by flogging personalised car boots and he'll join the likes of Sarah Lucas and Ian Monroe, whose limited edition tax disc holders will be hawked from within a 1966 Vauxhall FC Victor Estate this time around.

Weird and wonderful doesn't really do justice to the smorgasbord of curios on offer; it'll be interesting to see how much Boris Johnson toilet brushes, bricks designed to resemble yuppietastic 1980s mobile phones and flags made from artist Louis Nixon's global collection of labels and logos are changing hands for in 20 years. Other highlights to look out for include two Astras getting a graffiti makeover by urban artists Miss Led and Scrawl Collective, burlesque dance troupe the Lady Greys performing in a convertible, plus a group describing themselves as "probably the world's only disabled art pranksters'" and a stall selling absinthe-inspired trinkets.

There'll be more music, dance and general shenanigans on the Booty Stage, curated by one of London's unlikelier performance art hotspots the Bethnal Green Working Men's Club and, with a farmer's market on hand to offer sustenance between tentative forays into the art collector's world, the day should fly by.

· Vauxhall Art Car Boot Fair, June 8, noon-6pm, Old Truman Brewery, 146 Brick Lane, London, E1. £3

Stokefest

Competing with the Boot Fair for visitors (or more likely sharing them), Stokefest is Hackney's answer to Glastonbury, without the prohibitive ticket prices or agonised debates about the place of hip-hop in a 21st-century performing arts festival. The action takes place in local green lung Clissold Park and the vibe is very much a community one with the festival organised by a not-for-profit body and, best of all, with free admission. An array of DJs, soundsystems, bands and choirs will be treating revellers to seemingly every type of music under what will hopefully be the sun, from dub and R&B to calypso, Americana, Balkan folk and vintage Bollywood. There'll be a similarly global dimension to the food offerings as well as arts and crafts workshops and plenty of games for the kids.

· Clissold Park, Hackney, London, N16, June 8, noon-7pm

Open Garden Squares

Anyone looking for a slightly more sedate way of spending a Sunday might find poking around gardens not normally open to the general public to their liking. The Open Garden Squares Weekend indulges and extends the great British love of poking around people's houses by throwing open the doors to hidden horticulture at sites including Lambeth Palace, Kensington Roof Gardens, Chelsea Physic Garden and the Japanese Roof Garden at SOAS, where there'll be performances of world music by staff and students at the university. If you're having trouble choosing which of the 173 participating gardens to visit, the event website has a handy garden selector to help narrow down the search. The most intriguing venues at this secret garden party, however, are two of the capital's prisons, Holloway and Wandsworth, where you can have the rare experience of seeing gardens tended by inmates who are often studying for gardening qualifications. Advanced booking is essential for visiting the prisons and you'll need two forms of ID.

· June7-8. A ticket allowing entry to all participating gardens costs £6 in advance or £7.50 from venues over the weekend.