diff --git a/models/product_category.py b/models/product_category.py
index c2330f95f4c669b0ef60586e9b982678803a8a85..28593e32a4c02b51fc192a40a80b419ff1b1639b 100644
--- a/models/product_category.py
+++ b/models/product_category.py
@@ -12,6 +12,10 @@ class ProductCategory(models.Model):
     # ------------------------------------------------------
     symbol = fields.Char("Symbole")
     accessory_label = fields.Char("Nom de l'accessoire associé")
+    mulch_quantity_multiplier = fields.Integer(
+        "Multiplicateur paillage",
+        default=1
+    )
 
     # ------------------------------------------------------
     # SQL Constraints
diff --git a/models/product_template.py b/models/product_template.py
index fa2e3cf1f76ff67740384a168ecd511aecfd129a..d991d840461c50e69498180ad5e2f4478c47ba66 100644
--- a/models/product_template.py
+++ b/models/product_template.py
@@ -10,7 +10,12 @@ class ProductTemplate(models.Model):
     # Fields declaration
     # ------------------------------------------------------
     nb_accesories = fields.Float("Nombre d'accessoires")
-    accessory_label = fields.Char(related="categ_id.accessory_label", readonly=True)
+    accessory_label = fields.Char(
+        related="categ_id.accessory_label", readonly=True
+    )
+    mulch_quantity_multiplier = fields.Integer(
+        related="categ_id.mulch_quantity_multiplier", readonly=True
+    )
 
     # ------------------------------------------------------
     # SQL Constraints
diff --git a/models/sale_intervention.py b/models/sale_intervention.py
index f5d1946da55eff33741dd2beb4f5c8ffb38e4924..363d97fb790df99c71770e6bca95ec23473c343a 100644
--- a/models/sale_intervention.py
+++ b/models/sale_intervention.py
@@ -555,6 +555,7 @@ class SaleIntervention(models.Model):
             self.mulch_qty = self.plant_qty
         else:
             self.mulch_qty = 0.0
+        self.mulch_qty *= self.mulch_id.mulch_quantity_multiplier
 
     @api.onchange("plant_qty", "intervention_length", "mulch2_id")
     def _onchange_mulch2_id(self):
@@ -565,6 +566,7 @@ class SaleIntervention(models.Model):
             self.mulch2_qty = self.plant_qty
         else:
             self.mulch2_qty = 0.0
+        self.mulch2_qty *= self.mulch2_id.mulch_quantity_multiplier
 
     @api.onchange("high_protection_qty")
     def _onchange_high_protection_qty(self):
diff --git a/views/product_template_views.xml b/views/product_template_views.xml
index f04b42934f9e4617efba97267535cbe8a12d6579..104603e1b3b0966b2a11833501f0ad03336ccafa 100644
--- a/views/product_template_views.xml
+++ b/views/product_template_views.xml
@@ -9,6 +9,13 @@
                 <field name="parent_id" position="after">
                     <field name="symbol" />
                     <field name="accessory_label" />
+                    <field name="name" />
+
+                    <t t-if="record.name == 'Paillage'">
+                        <div>
+                            <field name="mulch_quantity_multiplier" />
+                        </div>
+                    </t>
                 </field>
             </field>
         </record>