diff --git a/docs/cluster_spec.md b/docs/cluster_spec.md
index 58330f5b65..f78d904241 100644
--- a/docs/cluster_spec.md
+++ b/docs/cluster_spec.md
@@ -638,6 +638,8 @@ spec:
     horizontalPodAutoscalerDownscaleDelay: 5m0s
     horizontalPodAutoscalerDownscaleStabilization: 5m
     horizontalPodAutoscalerUpscaleDelay: 3m0s
+    horizontalPodAutoscalerInitialReadinessDelay: 30s
+    horizontalPodAutoscalerCpuInitializationPeriod: 5m
     horizontalPodAutoscalerTolerance: 0.1
     experimentalClusterSigningDuration: 8760h0m0s
     enableProfiling: false
diff --git a/k8s/crds/kops.k8s.io_clusters.yaml b/k8s/crds/kops.k8s.io_clusters.yaml
index 922d750283..81c98da8b5 100644
--- a/k8s/crds/kops.k8s.io_clusters.yaml
+++ b/k8s/crds/kops.k8s.io_clusters.yaml
@@ -1212,12 +1212,18 @@ spec:
                       type: string
                     description: FeatureGates is set of key=value pairs that describe feature gates for alpha/experimental features.
                     type: object
+                  horizontalPodAutoscalerCpuInitializationPeriod:
+                    description: HorizontalPodAutoscalerCPUInitializationPeriod is the period after pod start when CPU samples might be skipped. (default 5m)
+                    type: string
                   horizontalPodAutoscalerDownscaleDelay:
                     description: HorizontalPodAutoscalerDownscaleDelay is a duration that specifies how long the autoscaler has to wait before another downscale operation can be performed after the current one has completed.
                     type: string
                   horizontalPodAutoscalerDownscaleStabilization:
                     description: HorizontalPodAutoscalerDownscaleStabilization is the period for which autoscaler will look backwards and not scale down below any recommendation it made during that period.
                     type: string
+                  horizontalPodAutoscalerInitialReadinessDelay:
+                    description: HorizontalPodAutoscalerInitialReadinessDelay is the period after pod start during which readiness changes will be treated as initial readiness. (default 30s)
+                    type: string
                   horizontalPodAutoscalerSyncPeriod:
                     description: HorizontalPodAutoscalerSyncPeriod is the amount of time between syncs During each period, the controller manager queries the resource utilization against the metrics specified in each HorizontalPodAutoscaler definition.
                     type: string
diff --git a/pkg/apis/kops/componentconfig.go b/pkg/apis/kops/componentconfig.go
index 03c8e90c02..44ffddcb8e 100644
--- a/pkg/apis/kops/componentconfig.go
+++ b/pkg/apis/kops/componentconfig.go
@@ -551,6 +551,12 @@ type KubeControllerManagerConfig struct {
 	// long the autoscaler has to wait before another upscale operation can
 	// be performed after the current one has completed.
 	HorizontalPodAutoscalerUpscaleDelay *metav1.Duration `json:"horizontalPodAutoscalerUpscaleDelay,omitempty" flag:"horizontal-pod-autoscaler-upscale-delay"`
+	// HorizontalPodAutoscalerInitialReadinessDelay is the period after pod start
+	// during which readiness changes will be treated as initial readiness. (default 30s)
+	HorizontalPodAutoscalerInitialReadinessDelay *metav1.Duration `json:"horizontalPodAutoscalerInitialReadinessDelay,omitempty" flag:"horizontal-pod-autoscaler-initial-readiness-delay"`
+	// HorizontalPodAutoscalerCPUInitializationPeriod is the period after pod start
+	// when CPU samples might be skipped. (default 5m)
+	HorizontalPodAutoscalerCPUInitializationPeriod *metav1.Duration `json:"horizontalPodAutoscalerCpuInitializationPeriod,omitempty" flag:"horizontal-pod-autoscaler-cpu-initialization-period"`
 	// HorizontalPodAutoscalerTolerance is the minimum change (from 1.0) in the
 	// desired-to-actual metrics ratio for the horizontal pod autoscaler to
 	// consider scaling.
diff --git a/pkg/apis/kops/v1alpha2/componentconfig.go b/pkg/apis/kops/v1alpha2/componentconfig.go
index f98fb6406b..e3aff541a1 100644
--- a/pkg/apis/kops/v1alpha2/componentconfig.go
+++ b/pkg/apis/kops/v1alpha2/componentconfig.go
@@ -551,6 +551,12 @@ type KubeControllerManagerConfig struct {
 	// long the autoscaler has to wait before another upscale operation can
 	// be performed after the current one has completed.
 	HorizontalPodAutoscalerUpscaleDelay *metav1.Duration `json:"horizontalPodAutoscalerUpscaleDelay,omitempty" flag:"horizontal-pod-autoscaler-upscale-delay"`
+	// HorizontalPodAutoscalerInitialReadinessDelay is the period after pod start
+	// during which readiness changes will be treated as initial readiness. (default 30s)
+	HorizontalPodAutoscalerInitialReadinessDelay *metav1.Duration `json:"horizontalPodAutoscalerInitialReadinessDelay,omitempty" flag:"horizontal-pod-autoscaler-initial-readiness-delay"`
+	// HorizontalPodAutoscalerCPUInitializationPeriod is the period after pod start
+	// when CPU samples might be skipped. (default 5m)
+	HorizontalPodAutoscalerCPUInitializationPeriod *metav1.Duration `json:"horizontalPodAutoscalerCpuInitializationPeriod,omitempty" flag:"horizontal-pod-autoscaler-cpu-initialization-period"`
 	// HorizontalPodAutoscalerTolerance is the minimum change (from 1.0) in the
 	// desired-to-actual metrics ratio for the horizontal pod autoscaler to
 	// consider scaling.
diff --git a/pkg/apis/kops/v1alpha2/zz_generated.conversion.go b/pkg/apis/kops/v1alpha2/zz_generated.conversion.go
index 13df98b377..b6ae3a26ac 100644
--- a/pkg/apis/kops/v1alpha2/zz_generated.conversion.go
+++ b/pkg/apis/kops/v1alpha2/zz_generated.conversion.go
@@ -4138,6 +4138,8 @@ func autoConvert_v1alpha2_KubeControllerManagerConfig_To_kops_KubeControllerMana
 	out.HorizontalPodAutoscalerDownscaleDelay = in.HorizontalPodAutoscalerDownscaleDelay
 	out.HorizontalPodAutoscalerDownscaleStabilization = in.HorizontalPodAutoscalerDownscaleStabilization
 	out.HorizontalPodAutoscalerUpscaleDelay = in.HorizontalPodAutoscalerUpscaleDelay
+	out.HorizontalPodAutoscalerInitialReadinessDelay = in.HorizontalPodAutoscalerInitialReadinessDelay
+	out.HorizontalPodAutoscalerCPUInitializationPeriod = in.HorizontalPodAutoscalerCPUInitializationPeriod
 	out.HorizontalPodAutoscalerTolerance = in.HorizontalPodAutoscalerTolerance
 	out.HorizontalPodAutoscalerUseRestClients = in.HorizontalPodAutoscalerUseRestClients
 	out.ExperimentalClusterSigningDuration = in.ExperimentalClusterSigningDuration
@@ -4201,6 +4203,8 @@ func autoConvert_kops_KubeControllerManagerConfig_To_v1alpha2_KubeControllerMana
 	out.HorizontalPodAutoscalerDownscaleDelay = in.HorizontalPodAutoscalerDownscaleDelay
 	out.HorizontalPodAutoscalerDownscaleStabilization = in.HorizontalPodAutoscalerDownscaleStabilization
 	out.HorizontalPodAutoscalerUpscaleDelay = in.HorizontalPodAutoscalerUpscaleDelay
+	out.HorizontalPodAutoscalerInitialReadinessDelay = in.HorizontalPodAutoscalerInitialReadinessDelay
+	out.HorizontalPodAutoscalerCPUInitializationPeriod = in.HorizontalPodAutoscalerCPUInitializationPeriod
 	out.HorizontalPodAutoscalerTolerance = in.HorizontalPodAutoscalerTolerance
 	out.HorizontalPodAutoscalerUseRestClients = in.HorizontalPodAutoscalerUseRestClients
 	out.ExperimentalClusterSigningDuration = in.ExperimentalClusterSigningDuration
diff --git a/pkg/apis/kops/v1alpha2/zz_generated.deepcopy.go b/pkg/apis/kops/v1alpha2/zz_generated.deepcopy.go
index 62b99656d9..870cd890f5 100644
--- a/pkg/apis/kops/v1alpha2/zz_generated.deepcopy.go
+++ b/pkg/apis/kops/v1alpha2/zz_generated.deepcopy.go
@@ -2505,6 +2505,16 @@ func (in *KubeControllerManagerConfig) DeepCopyInto(out *KubeControllerManagerCo
 		*out = new(v1.Duration)
 		**out = **in
 	}
+	if in.HorizontalPodAutoscalerInitialReadinessDelay != nil {
+		in, out := &in.HorizontalPodAutoscalerInitialReadinessDelay, &out.HorizontalPodAutoscalerInitialReadinessDelay
+		*out = new(v1.Duration)
+		**out = **in
+	}
+	if in.HorizontalPodAutoscalerCPUInitializationPeriod != nil {
+		in, out := &in.HorizontalPodAutoscalerCPUInitializationPeriod, &out.HorizontalPodAutoscalerCPUInitializationPeriod
+		*out = new(v1.Duration)
+		**out = **in
+	}
 	if in.HorizontalPodAutoscalerTolerance != nil {
 		in, out := &in.HorizontalPodAutoscalerTolerance, &out.HorizontalPodAutoscalerTolerance
 		x := (*in).DeepCopy()
diff --git a/pkg/apis/kops/zz_generated.deepcopy.go b/pkg/apis/kops/zz_generated.deepcopy.go
index bf85719bdc..d561cf4c1c 100644
--- a/pkg/apis/kops/zz_generated.deepcopy.go
+++ b/pkg/apis/kops/zz_generated.deepcopy.go
@@ -2687,6 +2687,16 @@ func (in *KubeControllerManagerConfig) DeepCopyInto(out *KubeControllerManagerCo
 		*out = new(v1.Duration)
 		**out = **in
 	}
+	if in.HorizontalPodAutoscalerInitialReadinessDelay != nil {
+		in, out := &in.HorizontalPodAutoscalerInitialReadinessDelay, &out.HorizontalPodAutoscalerInitialReadinessDelay
+		*out = new(v1.Duration)
+		**out = **in
+	}
+	if in.HorizontalPodAutoscalerCPUInitializationPeriod != nil {
+		in, out := &in.HorizontalPodAutoscalerCPUInitializationPeriod, &out.HorizontalPodAutoscalerCPUInitializationPeriod
+		*out = new(v1.Duration)
+		**out = **in
+	}
 	if in.HorizontalPodAutoscalerTolerance != nil {
 		in, out := &in.HorizontalPodAutoscalerTolerance, &out.HorizontalPodAutoscalerTolerance
 		x := (*in).DeepCopy()