diff --git a/moto/autoscaling/responses.py b/moto/autoscaling/responses.py
index 70fda4526..e58ef810a 100644
--- a/moto/autoscaling/responses.py
+++ b/moto/autoscaling/responses.py
@@ -10,6 +10,10 @@ class AutoScalingResponse(BaseResponse):
     def autoscaling_backend(self):
         return autoscaling_backends[self.region]
 
+    @property
+    def boto3_request(self):
+        return 'Boto3' in self.headers.get('User-Agent', [])
+
     def create_launch_configuration(self):
         instance_monitoring_string = self._get_param('InstanceMonitoring.Enabled')
         if instance_monitoring_string == 'true':
@@ -68,6 +72,11 @@ class AutoScalingResponse(BaseResponse):
     def describe_auto_scaling_groups(self):
         names = self._get_multi_param("AutoScalingGroupNames.member")
         groups = self.autoscaling_backend.describe_autoscaling_groups(names)
+        if self.boto3_request:
+            for group in groups:
+                if group.health_check_period is None:
+                    group.health_check_period = 300
+                self.autoscaling_backend.autoscaling_groups[group.name] = group
         template = self.response_template(DESCRIBE_AUTOSCALING_GROUPS_TEMPLATE)
         return template.render(groups=groups)
 
diff --git a/tests/test_autoscaling/test_autoscaling_boto3.py b/tests/test_autoscaling/test_autoscaling_boto3.py
new file mode 100644
index 000000000..c114a9285
--- /dev/null
+++ b/tests/test_autoscaling/test_autoscaling_boto3.py
@@ -0,0 +1,41 @@
+from __future__ import unicode_literals
+import boto3
+import sure  # noqa
+
+from moto import mock_autoscaling
+
+
+@mock_autoscaling
+def test_create_autoscaling_group():
+        client = boto3.client('autoscaling')
+        _ = client.create_launch_configuration(
+            LaunchConfigurationName='test_launch_configuration'
+        )
+        response = client.create_auto_scaling_group(
+            AutoScalingGroupName='test_asg',
+            LaunchConfigurationName='test_launch_configuration',
+            MinSize=0,
+            MaxSize=20,
+            DesiredCapacity=5
+        )
+        response['ResponseMetadata']['HTTPStatusCode'].should.equal(200)
+
+
+@mock_autoscaling
+def test_describe_autoscaling_groups():
+        client = boto3.client('autoscaling')
+        _ = client.create_launch_configuration(
+            LaunchConfigurationName='test_launch_configuration'
+        )
+        _ = client.create_auto_scaling_group(
+            AutoScalingGroupName='test_asg',
+            LaunchConfigurationName='test_launch_configuration',
+            MinSize=0,
+            MaxSize=20,
+            DesiredCapacity=5
+        )
+        response = client.describe_auto_scaling_groups(
+            AutoScalingGroupNames=["test_asg"]
+        )
+        response['ResponseMetadata']['HTTPStatusCode'].should.equal(200)
+        response['AutoScalingGroups'][0]['AutoScalingGroupName'].should.equal('test_asg')
diff --git a/tests/test_autoscaling/test_launch_configurations_boto3.py b/tests/test_autoscaling/test_launch_configurations_boto3.py
new file mode 100644
index 000000000..b16e5324f
--- /dev/null
+++ b/tests/test_autoscaling/test_launch_configurations_boto3.py
@@ -0,0 +1,23 @@
+from __future__ import unicode_literals
+import boto3
+
+import sure  # noqa
+
+from moto import mock_autoscaling
+
+
+@mock_autoscaling
+def test_create_launch_configuration():
+    client = boto3.client('autoscaling')
+    response = client.create_launch_configuration(
+        LaunchConfigurationName='tester',
+        ImageId='ami-abcd1234',
+        InstanceType='t1.micro',
+        KeyName='the_keys',
+        SecurityGroups=["default", "default2"],
+        UserData="This is some user_data",
+        InstanceMonitoring={'Enabled': True},
+        IamInstanceProfile='arn:aws:iam::123456789012:instance-profile/testing',
+        SpotPrice='0.1'
+    )
+    response['ResponseMetadata']['HTTPStatusCode'].should.equal(200)