diff --git a/source/_integrations/plant.markdown b/source/_integrations/plant.markdown
index 4202260abe6..b2584de4c90 100644
--- a/source/_integrations/plant.markdown
+++ b/source/_integrations/plant.markdown
@@ -3,6 +3,7 @@ title: Plant Monitor
 description: Instructions on how to setup plant monitoring with Home Assistant.
 ha_category:
   - Environment
+ha_iot_class: Calculated
 ha_release: 0.44
 ha_quality_scale: internal
 ha_codeowners: