Botanical Conservatory of Brest, National botanical garden in Brest, France.

The Botanical Conservatory of Brest occupies the Stang-Alar valley, a former quarry split into 31 hectares for the conservatory and 16 hectares of public park. Its 1,000 m² of greenhouses are divided into four sections: tropical mountains, dry tropics, humid tropical forests and subtropical ocean islands. The open-air garden holds about 1,700 species, including Brighamia insignis and Cylindrocline lorencei.

The site began as a quarry and dumping ground before the city acquired and transformed it into a garden in 1971. This conversion made it possible to create a place dedicated to plant protection and research.

The Breton name Mirva broadel louzawouriezh Brest reflects the institution's public, national role. Since 1990 it has been the National Botanical Conservation Center for the Armorican Massif, covering Brittany, Basse-Normandie and Pays de la Loire. Its seed bank and living collections support the four statutory missions: inventory, conservation, advice and public awareness.

The gardens are free to visit daily, though the greenhouses open on specific days and times. It helps to check opening hours before visiting to make the most of your time exploring the different sections.

The facility protects many plant species that are threatened or have vanished in nature. Visitors can witness how these rare plants are safeguarded and cared for across the different climate zones.