diff --git a/releasenotes/notes/grow-cluster-nic-az-0e0fe4083666c300.yaml b/releasenotes/notes/grow-cluster-nic-az-0e0fe4083666c300.yaml
new file mode 100644
index 0000000000..78406abf6a
--- /dev/null
+++ b/releasenotes/notes/grow-cluster-nic-az-0e0fe4083666c300.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - Pass instance nic and az to cluster grow.  Add specific
+    Fix for mongodb to use the instance nic and az.
diff --git a/trove/cluster/models.py b/trove/cluster/models.py
index cbfd081048..82ed5fa559 100644
--- a/trove/cluster/models.py
+++ b/trove/cluster/models.py
@@ -298,6 +298,11 @@ class Cluster(object):
                         instance['volume_size'] = int(node['volume']['size'])
                     if 'modules' in node:
                         instance['modules'] = node['modules']
+                    if 'nics' in node:
+                        instance['nics'] = node['nics']
+                    if 'availability_zone' in node:
+                        instance['availability_zone'] = (
+                            node['availability_zone'])
                     instances.append(instance)
                 return self.grow(instances)
         elif action == 'shrink':
diff --git a/trove/common/strategies/cluster/experimental/mongodb/api.py b/trove/common/strategies/cluster/experimental/mongodb/api.py
index 4ea138f05b..9c4ea4f7e5 100644
--- a/trove/common/strategies/cluster/experimental/mongodb/api.py
+++ b/trove/common/strategies/cluster/experimental/mongodb/api.py
@@ -199,6 +199,8 @@ class MongoDbCluster(models.Cluster):
                                                     'query_router'])
         name = _check_option('name')
         related_to = _check_option('related_to')
+        nics = _check_option('nics')
+        availability_zone = _check_option('availability_zone')
 
         unused_keys = list(set(item.keys()).difference(set(used_keys)))
         if unused_keys:
@@ -214,6 +216,10 @@ class MongoDbCluster(models.Cluster):
             instance['name'] = name
         if related_to:
             instance['related_to'] = related_to
+        if nics:
+            instance['nics'] = nics
+        if availability_zone:
+            instance['availability_zone'] = availability_zone
         return instance
 
     def action(self, context, req, action, param):