Structural Data

Plant collections

18,557 accessions

  • greenhouses: 16,340
  • grounds: 2,217

with 12,965 species

  • greenhouses: 11,349
  • grounds: 1,642

of 2,448 genera

  • greenhouses: 1,735
  • grounds: 750

from 292 families

  • greenhouses : 253
  • grounds:175

largest collections

  • orchids: 3,699 species with 4,781 accessions
  • bromeliads: 1,353 species with 2,936 accessions
  • succulents (Old World): 2,487 species with 3,668 accessions;
    of which Madagascar: 624 species with 1,231 accessions
  • succulents (New World): 1,868 species with 2,546 accessions

Surface area

Total surface: 6.7 acres

davon

  • grounds: 5.7 acres
  • greenhouses: 4,000 m 2
  • accessible greenhouses: 2,000 m 2

Personnel

Total staff: 23 (20 formal positions)

of which

  • scientific staff: 0
  • horticultural staff: 17 (14.5 formal positions)

Apprenticeship

  • hort. apprentices: 13
  • hort. workers.: 3