Because of the intense tropical humidity and protection from the marine layer over the estate, the sugarcane at Habitation Bellevue, the home of Rhum J.M., grows in a full 12 month cycle and is harvested each Spring. Because they harvest only their own sugarcane, the sugarcane is pressed in less than 1 hour from when it was cut, delivering the freshest possible juice to be made into rhum. The sugarcane juice naturally ferments slowly into a sugarcane wine (Vin de Canne) of around 5% abv over the course of 36-48 hours. The sugarcane wine is then distilled into Rhum Agricole in a Créole Copper Column at or near 70% alcohol, retaining the natural flavor and aroma of the Habitation's cane and terroir. The distillate is then rested in stainless steel tanks for at least three months, before being reduced to bottling strength and bottled.

J.M Blanc 100 Proof displays the raw power of what is regarded as the best sugarcane on the island and speaks of mango, overripe bananas, and papaya. The higher proof retains more of the vibrant freshness for which rhum agricole is praised.