Things to Do in Brussels in April

The royal greenhouse complex opens for roughly three weeks in spring, typically mid-April into early May. The interconnected Art Nouveau glass pavilions house tropical and subtropical plants collected under Léopold II. The Jardin d'Hiver dome alone spans over 50 metres. Around 100,000 visitors pass through during the window, so weekday mornings tend to have shorter queues.

Booking tipCheck the Belgian monarchy website in February for exact dates. Arrive before 10:00 on a weekday to avoid the longest waits.

The daily flea market in the Marolles neighbourhood runs every morning on Place du Jeu de Balle, but April is when vendors start bringing out warm-weather stock. Vintage Brussels ceramics, old Tintin editions, Art Deco lamps, and second-hand clothing spread across the cobblestones. The smell of roasting coffee from the surrounding cafés mixes with old leather and dust.

Booking tipArrive by 07:00 on weekends for the best selection. The market winds down by early afternoon.

Brussels has over 500 Art Nouveau buildings, and the densest clusters sit in Saint-Gilles and Ixelles. April's mild temperatures and longer daylight make walking the trail comfortable without summer heat. The Horta Museum on Rue Américaine is the anchor point, but the surrounding streets hold dozens of lesser-known façades by Paul Hankar, Gustave Strauven, and Ernest Blérot.

Booking tipThe Horta Museum is small and limits visitor numbers. Book online in advance, especially for weekend visits.

One of the last working lambic breweries inside Brussels city limits, Cantillon sits on Rue Gheude in Anderlecht. The self-guided tour walks you through the 1900-era equipment still in active use. The smell of fermenting grain and wild yeast hits you the moment you step inside. April marks the end of the November-April brewing season, so you might catch the final batches cooling in the open copper koelschip.

Booking tipOpen Saturday afternoons and some weekdays. Check their website for the current schedule, as hours vary.

The museum complex on Rue de la Régence houses the Old Masters and Fin-de-Siècle collections, plus the dedicated Musée Magritte. April crowds are noticeably lighter than summer. You can stand alone in front of Bruegel's Fall of the Rebel Angels or David's Death of Marat without jostling for position.

Booking tipThe Magritte Museum requires a timed entry ticket. Book online to secure your preferred slot.

Art Brussels typically runs for 4 days in late April, bringing around 150 international galleries to the restored Tour & Taxis freight hall near the canal. The fair covers contemporary and modern art, with a dedicated Discovery section for emerging artists. The building itself, a massive 1902 customs warehouse, is worth seeing for the industrial architecture alone.

Booking tipBuy tickets online in advance. Opening night (usually Thursday) is ticketed separately and tends to sell out.

This English-landscape park in Schaerbeek peaks in mid-to-late April when the magnolias and cherry trees bloom. The ponds reflect the pink and white canopy on still mornings. The park covers 30 hectares and feels surprisingly quiet for being 15 minutes by tram from the city center. You'll hear blackbirds and wood pigeons more than traffic.

Booking tipNo booking needed. Tram 7 or 25 from the center stops at the park entrance.

April through June is white asparagus season in Belgium, and April marks the first reliable harvests from the sandy soils of Mechelen and Limburg. The à la flamande preparation, with boiled egg, melted butter, and nutmeg, appears on menus across the city. The spears should be thick, slightly sweet, and tender enough to cut with a fork.

Booking tipMost traditional brasseries serve it without reservation needed, but fine-dining spots featuring it as a tasting menu item may require booking.