diff --git a/frontend/src/pages/Products/Products.js b/frontend/src/pages/Products/Products.js
index b47a2f5..65896d0 100644
--- a/frontend/src/pages/Products/Products.js
+++ b/frontend/src/pages/Products/Products.js
@@ -537,6 +537,18 @@ const CreateProductModal = ({ onSubmit, onCancel, sharedProducts, categories })
   const [seedBlend, setSeedBlend] = useState([]); // [{cultivar:'', percent:0}]
   const [seedNewRate, setSeedNewRate] = useState('');
   const [seedOverRate, setSeedOverRate] = useState('');
+  // Sync default rate field as average for compatibility
+  useEffect(() => {
+    if (formData.productType === 'seed') {
+      const n = parseFloat(seedNewRate);
+      const o = parseFloat(seedOverRate);
+      let avg = '';
+      if (!isNaN(n) && !isNaN(o)) avg = ((n + o) / 2).toFixed(2);
+      else if (!isNaN(n)) avg = n;
+      else if (!isNaN(o)) avg = o;
+      setFormData(prev => ({ ...prev, customRateAmount: avg }));
+    }
+  }, [formData.productType, seedNewRate, seedOverRate]);
   const [availableSpreaders, setAvailableSpreaders] = useState([]);
   const [loadingSpreaders, setLoadingSpreaders] = useState(false);
   const [newSpreaderSetting, setNewSpreaderSetting] = useState({
@@ -713,19 +725,7 @@ const CreateProductModal = ({ onSubmit, onCancel, sharedProducts, categories })
               </div>
 
               {formData.productType === 'seed' && (
-                <>
-                  <SeedBlendEditor value={seedBlend} onChange={setSeedBlend} />
-                  <div className="grid grid-cols-2 gap-3 mt-3">
-                    <div>
-                      <label className="label text-xs">New Lawn Seeding Rate</label>
-                      <input type="number" step="0.01" className="input" value={seedNewRate} onChange={(e)=> setSeedNewRate(e.target.value)} placeholder="e.g., 7" />
-                    </div>
-                    <div>
-                      <label className="label text-xs">Overseeding Rate</label>
-                      <input type="number" step="0.01" className="input" value={seedOverRate} onChange={(e)=> setSeedOverRate(e.target.value)} placeholder="e.g., 3" />
-                    </div>
-                  </div>
-                </>
+                <SeedBlendEditor value={seedBlend} onChange={setSeedBlend} />
               )}
 
               <div>
@@ -754,15 +754,33 @@ const CreateProductModal = ({ onSubmit, onCancel, sharedProducts, categories })
 
           <div className="grid grid-cols-2 gap-4">
             <div>
-              <label className="label">Application Rate</label>
-              <input
-                type="number"
-                step="0.01"
-                className="input"
-                value={formData.customRateAmount}
-                onChange={(e) => setFormData({ ...formData, customRateAmount: e.target.value })}
-                placeholder="2.5"
-              />
+              {formData.productType === 'seed' ? (
+                <div>
+                  <label className="label">Seeding Rates</label>
+                  <div className="space-y-2">
+                    <div>
+                      <label className="label text-xs">New Lawn (lbs/1000 sq ft)</label>
+                      <input type="number" step="0.01" className="input" value={seedNewRate} onChange={(e)=> setSeedNewRate(e.target.value)} placeholder="e.g., 7" />
+                    </div>
+                    <div>
+                      <label className="label text-xs">Overseeding (lbs/1000 sq ft)</label>
+                      <input type="number" step="0.01" className="input" value={seedOverRate} onChange={(e)=> setSeedOverRate(e.target.value)} placeholder="e.g., 3" />
+                    </div>
+                  </div>
+                </div>
+              ) : (
+                <>
+                  <label className="label">Application Rate</label>
+                  <input
+                    type="number"
+                    step="0.01"
+                    className="input"
+                    value={formData.customRateAmount}
+                    onChange={(e) => setFormData({ ...formData, customRateAmount: e.target.value })}
+                    placeholder="2.5"
+                  />
+                </>
+              )}
             </div>
             <div>
               <label className="label">Rate Unit</label>
@@ -936,6 +954,18 @@ const EditProductModal = ({ product, onSubmit, onCancel, sharedProducts, categor
   const [editSeedBlend, setEditSeedBlend] = useState([]);
   const [editSeedNewRate, setEditSeedNewRate] = useState('');
   const [editSeedOverRate, setEditSeedOverRate] = useState('');
+  // Keep default rate synced in advanced edit when seed
+  useEffect(() => {
+    if (formData.productType === 'seed') {
+      const n = parseFloat(editSeedNewRate);
+      const o = parseFloat(editSeedOverRate);
+      let avg = '';
+      if (!isNaN(n) && !isNaN(o)) avg = ((n + o) / 2).toFixed(2);
+      else if (!isNaN(n)) avg = n;
+      else if (!isNaN(o)) avg = o;
+      setFormData(prev => ({ ...prev, customRateAmount: avg }));
+    }
+  }, [formData.productType, editSeedNewRate, editSeedOverRate]);
 
   const [editMode, setEditMode] = useState('basic'); // 'basic' or 'advanced'
   const [editSpreaderSettings, setEditSpreaderSettings] = useState([]);
@@ -1400,19 +1430,7 @@ const EditProductModal = ({ product, onSubmit, onCancel, sharedProducts, categor
               </div>
 
               {formData.productType === 'seed' ? (
-                <>
-                  <SeedBlendEditor value={editSeedBlend} onChange={setEditSeedBlend} />
-                  <div className="grid grid-cols-2 gap-3 mt-3">
-                    <div>
-                      <label className="label text-xs">New Lawn Seeding Rate</label>
-                      <input type="number" step="0.01" className="input" value={editSeedNewRate} onChange={(e)=> setEditSeedNewRate(e.target.value)} placeholder="e.g., 7" />
-                    </div>
-                    <div>
-                      <label className="label text-xs">Overseeding Rate</label>
-                      <input type="number" step="0.01" className="input" value={editSeedOverRate} onChange={(e)=> setEditSeedOverRate(e.target.value)} placeholder="e.g., 3" />
-                    </div>
-                  </div>
-                </>
+                <SeedBlendEditor value={editSeedBlend} onChange={setEditSeedBlend} />
               ) : (
                 <div>
                   <label className="label">Active Ingredients</label>
@@ -1439,15 +1457,33 @@ const EditProductModal = ({ product, onSubmit, onCancel, sharedProducts, categor
 
               <div className="grid grid-cols-2 gap-4">
                 <div>
-                  <label className="label">Default Application Rate</label>
-                  <input
-                    type="number"
-                    step="0.01"
-                    className="input"
-                    value={formData.customRateAmount}
-                    onChange={(e) => setFormData({ ...formData, customRateAmount: e.target.value })}
-                    placeholder="2.5"
-                  />
+                  {formData.productType === 'seed' ? (
+                    <div>
+                      <label className="label">Seeding Rates</label>
+                      <div className="space-y-2">
+                        <div>
+                          <label className="label text-xs">New Lawn (lbs/1000 sq ft)</label>
+                          <input type="number" step="0.01" className="input" value={editSeedNewRate} onChange={(e)=> setEditSeedNewRate(e.target.value)} placeholder="e.g., 7" />
+                        </div>
+                        <div>
+                          <label className="label text-xs">Overseeding (lbs/1000 sq ft)</label>
+                          <input type="number" step="0.01" className="input" value={editSeedOverRate} onChange={(e)=> setEditSeedOverRate(e.target.value)} placeholder="e.g., 3" />
+                        </div>
+                      </div>
+                    </div>
+                  ) : (
+                    <>
+                      <label className="label">Default Application Rate</label>
+                      <input
+                        type="number"
+                        step="0.01"
+                        className="input"
+                        value={formData.customRateAmount}
+                        onChange={(e) => setFormData({ ...formData, customRateAmount: e.target.value })}
+                        placeholder="2.5"
+                      />
+                    </>
+                  )}
                 </div>
                 <div>
                   <label className="label">Rate Unit</label>