Shared garden

The Stalingrad shared garden is managed by the association Génération Citoyen, a signatory of the ‘Main Verte’ charter. Budding gardeners grow vegetables and flowers in raised containers which isolate plants from the ground in order to reduce potential risks of soil pollution. The grassy area provides a convivial space for members and local residents to meet together.

The trees lining our streets

Today there are 100,700 avenue trees lining Paris’s streets. The boulevard is bordered by plane trees (Platanus × acerifolia) which are valued for their tolerance to pruning and air pollution. It is the most common variety planted on the capital’s streets. The trees are closely monitored because of the Sycamore lace bug (Corythucha ciliata) which prowls around Paris; originally from America, this insect is just a few millimetres in size and lives on the underside of the leaves which it punctures in order to draw the intracellular liquid, provoking a discoloration of the leaf and causing it to drop off. Encouraged by the summer heat, the number of sycamore lace bugs has multiplied rapidly over the past few years. The City of Paris’s forestry services keep a close watch on the trees’ state of health and are engaged in a biological battle against the parasites, calling in the aid of a microscopic worm, the nematode Steinernema feltiae.This is a parasite and predator not only of the adult sycamore lace bug, but also the larvae of fungus gnats, leafminer flies and thrips. Additionally, green lacewings larvae (Chrysopa lucasina) are used on the leaves to get rid of sycamore lace bug larvae, aphids, cochineal insects and acarids.

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