Iron and glass greenhouses built from 1874 to 1905 by Alphonse Balat, Horta's teacher, for Leopold II, in the park of the royal palace. They open to the public for about three weeks each spring, and tickets sell out fast.
- Address
- Avenue du Parc Royal (entrance by the Grilles d'Honneur), 1020 Brussels
- Hours
- Open only about three weeks each spring: 17 April - 10 May in 2026 (sold out); 2027 dates not yet announced (monarchie.be)
- Best time to go
- Afternoon, Evening · About 2 h
- Price
- EUR 7; children 12 and under free but need a ticket (monarchie.be, 2026)
- Price level
- €
Details can change. Check hours and prices before you go.
Good to know
- Inside the Congo Greenhouse and Embarcadere Greenhouse you see how tall the structures are; the Winter Garden was closed for renovation in 2026
- Evening visits on Fridays to Sundays during the opening period
- Watch monarchie.be early in the year: in 2026 all tickets sold out with no waiting list