diff --git a/app.py b/app.py
index 7c8f4c6..fecb8ad 100644
--- a/app.py
+++ b/app.py
@@ -73,7 +73,11 @@ class Plant(db.Model):
     size_id = db.Column(db.Integer, db.ForeignKey('size.id'), nullable=True)
     care_difficulty_id = db.Column(db.Integer, db.ForeignKey('care_difficulty.id'), nullable=True)
     growth_rate_id = db.Column(db.Integer, db.ForeignKey('growth_rate.id'), nullable=True)
-    section_id = db.Column(db.Integer, db.ForeignKey('section.id'), nullable=True)
+    # Make section_id nullable and handle missing column
+    try:
+        section_id = db.Column(db.Integer, db.ForeignKey('section.id'), nullable=True)
+    except Exception:
+        section_id = None
     products = db.Column(db.Text, nullable=True)  # Will store product IDs as comma-separated values
     description = db.Column(db.Text, nullable=True)
     date_added = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
@@ -86,7 +90,11 @@ class Plant(db.Model):
     size = db.relationship('Size', backref='plant_size')
     care_difficulty = db.relationship('CareDifficulty', backref='plant_care_difficulty')
     growth_rate = db.relationship('GrowthRate', backref='plant_growth_rate')
-    section = db.relationship('Section', backref='plants')
+    # Make section relationship optional
+    try:
+        section = db.relationship('Section', backref='plants')
+    except Exception:
+        section = None
 
     def __repr__(self):
         return f"Plant('{self.name}', '{self.date_added}')"
@@ -176,6 +184,7 @@ def home():
     size_id = request.args.get('size')
     care_difficulty_id = request.args.get('care_difficulty')
     growth_rate_id = request.args.get('growth_rate')
+    section_id = request.args.get('section')
 
     query = Plant.query
     if search:
@@ -194,6 +203,8 @@ def home():
         query = query.filter(Plant.care_difficulty_id == care_difficulty_id)
     if growth_rate_id:
         query = query.filter(Plant.growth_rate_id == growth_rate_id)
+    if section_id and hasattr(Plant, 'section_id'):
+        query = query.filter(Plant.section_id == section_id)
     plants = query.order_by(Plant.date_added.desc()).all()
 
     climates_dict = {c.id: {'name': c.name, 'icon': c.icon, 'description': c.description} for c in Climate.query.all()}