The maintenance of the green spaces of the establishement is implemented by a plant production program.

This program, which is part of the EDEVAL plant nurseries activities, focuses on the breeding of conifers , palms , trees and flowering , perennial and bulbous plants .

Plant nurseries of EDEVAl are (production of all species combined) :

El Alia: national Road N° 5 Oued Smar, area : 51 010 M²

Kouba : 20 abdelkader Alaoua street – Kouba area : 616 538 M ²

Belfort : Hassen Badi street, El Harrach, area : 6 434 M²

Benrouilah : 1 Doudou Mokhtar street – Ben Aknoun, area : 3863 M²

Bouchaoui : Bouchaoui El bahri Ain Benian , area : 39 820 M²

Bab Ezzouar : Soumam Bab Ezouar, area : 34 740 M²

Pépinière les bananiers interchanges plant nursery, area : 20 000 M²

Hadjeri Ahmed Staouali, area : 50 000 M²