Plouzélambre is a small agricultural town of Treg (livestock and fodder crops) bordered by Roscoat, small coastal river which flows into the Channel, 5 km from the village. The town, near the sea, is influenced by its climate.
The village is built on a Gallo-Roman site.
In the Middle Ages, two lords lived there and battled, the lord and the lord of Kerbavé Kervégan. As in all towns of Brittany, which are numerous legends that permeates a northern Brittany: the legend of the seven saints from Ireland to evangelize Britain. The name translates as the common Plou: Parish and Zélambre: name of an Irish monk arrived in the 5th century.
It persists more than a trade in the village, a coffee shop opened by the Municipality.