diff --git a/PlantMonitor_bp.yaml b/PlantMonitor_bp.yaml
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+++ b/PlantMonitor_bp.yaml
@@ -0,0 +1,60 @@
+blueprint:
+  name: 💧 DWC Plant Tracker
+  description: >
+    Track plants in Deep Water Culture (DWC) or soil setups.
+    Notifies you to change or add water every 7 days.
+  domain: automation
+  input:
+    plant_name:
+      name: Plant Name
+      description: Friendly name of your plant (e.g. "Lettuce 1").
+      default: "My Plant"
+    last_watered_helper:
+      name: Last Watered Helper
+      description: >
+        Select the Date/Time helper for when this plant was last watered.
+      selector:
+        entity:
+          domain: input_datetime
+    notification_target:
+      name: Notification Target
+      description: >
+        Choose how to receive reminders (e.g. mobile app, persistent_notification, etc.)
+      selector:
+        target:
+
+# Trigger every day at midnight to check age
+trigger:
+  - platform: time
+    at: "00:00:00"
+
+variables:
+  plant_name: !input plant_name
+  last_watered_entity: !input last_watered_helper
+
+# Conditions check if plant hasn't been watered in 7+ days
+condition:
+  - condition: template
+    value_template: >
+      {% set last = states(last_watered_entity) %}
+      {% if last not in ['unknown', 'unavailable', None] %}
+        {{ ((as_timestamp(now()) - as_timestamp(last)) / 86400) | int >= 7 }}
+      {% else %}
+        false
+      {% endif %}
+
+action:
+  - variables:
+      days_since: >
+        {% set last = states(last_watered_entity) %}
+        {% if last not in ['unknown','unavailable',None] %}
+          {{ ((as_timestamp(now()) - as_timestamp(last)) / 86400) | int }}
+        {% else %} 0 {% endif %}
+
+  - service: notify
+    target: !input notification_target
+    data:
+      title: "💧 DWC Water Change Reminder"
+      message: "{{ plant_name }} needs a water change! It’s been {{ days_since }} days since last watering."
+
+mode: single