diff --git a/invokeai/frontend/web/src/features/parameters/components/Core/ParamNegativePrompt.tsx b/invokeai/frontend/web/src/features/parameters/components/Core/ParamNegativePrompt.tsx
index 49f9d0fbfd..853d1326ef 100644
--- a/invokeai/frontend/web/src/features/parameters/components/Core/ParamNegativePrompt.tsx
+++ b/invokeai/frontend/web/src/features/parameters/components/Core/ParamNegativePrompt.tsx
@@ -1,5 +1,6 @@
 import { Box, Textarea } from '@invoke-ai/ui-library';
 import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
+import { usePersistedTextAreaSize } from 'common/hooks/usePersistedTextareaSize';
 import { negativePromptChanged, selectNegativePrompt } from 'features/controlLayers/store/paramsSlice';
 import { PromptLabel } from 'features/parameters/components/Prompts/PromptLabel';
 import { PromptOverlayButtonWrapper } from 'features/parameters/components/Prompts/PromptOverlayButtonWrapper';
@@ -15,12 +16,20 @@ import { memo, useCallback, useRef } from 'react';
 import { useTranslation } from 'react-i18next';
 import { useListStylePresetsQuery } from 'services/api/endpoints/stylePresets';
 
+const persistOptions: Parameters<typeof usePersistedTextAreaSize>[2] = {
+  trackWidth: false,
+  trackHeight: true,
+};
+
 export const ParamNegativePrompt = memo(() => {
   const dispatch = useAppDispatch();
   const prompt = useAppSelector(selectNegativePrompt);
   const viewMode = useAppSelector(selectStylePresetViewMode);
   const activeStylePresetId = useAppSelector(selectStylePresetActivePresetId);
 
+  const textareaRef = useRef<HTMLTextAreaElement>(null);
+  usePersistedTextAreaSize('negative_prompt', textareaRef, persistOptions);
+
   const { activeStylePreset } = useListStylePresetsQuery(undefined, {
     selectFromResult: ({ data }) => {
       let activeStylePreset = null;
@@ -31,7 +40,6 @@ export const ParamNegativePrompt = memo(() => {
     },
   });
 
-  const textareaRef = useRef<HTMLTextAreaElement>(null);
   const { t } = useTranslation();
   const _onChange = useCallback(
     (v: string) => {
diff --git a/invokeai/frontend/web/src/features/parameters/components/Core/ParamPositivePrompt.tsx b/invokeai/frontend/web/src/features/parameters/components/Core/ParamPositivePrompt.tsx
index fb015d726a..037c1021fb 100644
--- a/invokeai/frontend/web/src/features/parameters/components/Core/ParamPositivePrompt.tsx
+++ b/invokeai/frontend/web/src/features/parameters/components/Core/ParamPositivePrompt.tsx
@@ -1,5 +1,6 @@
 import { Box, Textarea } from '@invoke-ai/ui-library';
 import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
+import { usePersistedTextAreaSize } from 'common/hooks/usePersistedTextareaSize';
 import { positivePromptChanged, selectBase, selectPositivePrompt } from 'features/controlLayers/store/paramsSlice';
 import { ShowDynamicPromptsPreviewButton } from 'features/dynamicPrompts/components/ShowDynamicPromptsPreviewButton';
 import { PromptLabel } from 'features/parameters/components/Prompts/PromptLabel';
@@ -14,20 +15,26 @@ import {
   selectStylePresetViewMode,
 } from 'features/stylePresets/store/stylePresetSlice';
 import { useRegisteredHotkeys } from 'features/system/components/HotkeysModal/useHotkeyData';
-import { positivePromptBoxHeightChanged, selectPositivePromptBoxHeight } from 'features/ui/store/uiSlice';
-import { debounce } from 'lodash-es';
-import { memo, useCallback, useEffect, useRef } from 'react';
+import { memo, useCallback, useRef } from 'react';
 import type { HotkeyCallback } from 'react-hotkeys-hook';
 import { useTranslation } from 'react-i18next';
 import { useListStylePresetsQuery } from 'services/api/endpoints/stylePresets';
 
+const persistOptions: Parameters<typeof usePersistedTextAreaSize>[2] = {
+  trackWidth: false,
+  trackHeight: true,
+  initialHeight: 120,
+};
+
 export const ParamPositivePrompt = memo(() => {
   const dispatch = useAppDispatch();
   const prompt = useAppSelector(selectPositivePrompt);
   const baseModel = useAppSelector(selectBase);
   const viewMode = useAppSelector(selectStylePresetViewMode);
   const activeStylePresetId = useAppSelector(selectStylePresetActivePresetId);
-  const positivePromptBoxHeight = useAppSelector(selectPositivePromptBoxHeight);
+
+  const textareaRef = useRef<HTMLTextAreaElement>(null);
+  usePersistedTextAreaSize('positive_prompt', textareaRef, persistOptions);
 
   const { activeStylePreset } = useListStylePresetsQuery(undefined, {
     selectFromResult: ({ data }) => {
@@ -39,7 +46,6 @@ export const ParamPositivePrompt = memo(() => {
     },
   });
 
-  const textareaRef = useRef<HTMLTextAreaElement>(null);
   const { t } = useTranslation();
   const handleChange = useCallback(
     (v: string) => {
@@ -53,45 +59,6 @@ export const ParamPositivePrompt = memo(() => {
     onChange: handleChange,
   });
 
-  // Add debounced resize observer to detect height changes
-  useEffect(() => {
-    const textarea = textareaRef.current;
-    if (!textarea) {
-      return;
-    }
-
-    let currentHeight = textarea.offsetHeight;
-
-    const debouncedHeightUpdate = debounce((newHeight: number) => {
-      dispatch(positivePromptBoxHeightChanged(newHeight));
-    }, 150);
-
-    const resizeObserver = new ResizeObserver((entries) => {
-      for (const entry of entries) {
-        const newHeight = (entry.target as HTMLTextAreaElement).offsetHeight;
-        if (newHeight !== currentHeight) {
-          currentHeight = newHeight;
-          debouncedHeightUpdate(newHeight);
-        }
-      }
-    });
-
-    resizeObserver.observe(textarea);
-    return () => {
-      resizeObserver.disconnect();
-      debouncedHeightUpdate.cancel();
-    };
-  }, [dispatch]);
-
-  useEffect(() => {
-    const textarea = textareaRef.current;
-    if (!textarea) {
-      return;
-    }
-
-    textarea.style.height = `${positivePromptBoxHeight}px`;
-  }, [positivePromptBoxHeight]);
-
   const focus: HotkeyCallback = useCallback(
     (e) => {
       onFocus();
@@ -125,6 +92,7 @@ export const ParamPositivePrompt = memo(() => {
           paddingTop={0}
           paddingBottom={3}
           resize="vertical"
+          minH={28}
         />
         <PromptOverlayButtonWrapper>
           <AddPromptTriggerButton isOpen={isOpen} onOpen={onOpen} />
diff --git a/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLNegativeStylePrompt.tsx b/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLNegativeStylePrompt.tsx
index 8872512209..d31eeafbd5 100644
--- a/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLNegativeStylePrompt.tsx
+++ b/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLNegativeStylePrompt.tsx
@@ -1,5 +1,6 @@
 import { Box, Textarea } from '@invoke-ai/ui-library';
 import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
+import { usePersistedTextAreaSize } from 'common/hooks/usePersistedTextareaSize';
 import { negativePrompt2Changed, selectNegativePrompt2 } from 'features/controlLayers/store/paramsSlice';
 import { PromptLabel } from 'features/parameters/components/Prompts/PromptLabel';
 import { PromptOverlayButtonWrapper } from 'features/parameters/components/Prompts/PromptOverlayButtonWrapper';
@@ -9,10 +10,17 @@ import { usePrompt } from 'features/prompt/usePrompt';
 import { memo, useCallback, useRef } from 'react';
 import { useTranslation } from 'react-i18next';
 
+const persistOptions: Parameters<typeof usePersistedTextAreaSize>[2] = {
+  trackWidth: false,
+  trackHeight: true,
+};
+
 export const ParamSDXLNegativeStylePrompt = memo(() => {
   const dispatch = useAppDispatch();
   const prompt = useAppSelector(selectNegativePrompt2);
   const textareaRef = useRef<HTMLTextAreaElement>(null);
+  usePersistedTextAreaSize('negative_style_prompt', textareaRef, persistOptions);
+
   const { t } = useTranslation();
   const handleChange = useCallback(
     (v: string) => {
diff --git a/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLPositiveStylePrompt.tsx b/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLPositiveStylePrompt.tsx
index 5290ac959c..c9e76ddfca 100644
--- a/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLPositiveStylePrompt.tsx
+++ b/invokeai/frontend/web/src/features/sdxl/components/SDXLPrompts/ParamSDXLPositiveStylePrompt.tsx
@@ -1,5 +1,6 @@
 import { Box, Textarea } from '@invoke-ai/ui-library';
 import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
+import { usePersistedTextAreaSize } from 'common/hooks/usePersistedTextareaSize';
 import { positivePrompt2Changed, selectPositivePrompt2 } from 'features/controlLayers/store/paramsSlice';
 import { PromptLabel } from 'features/parameters/components/Prompts/PromptLabel';
 import { PromptOverlayButtonWrapper } from 'features/parameters/components/Prompts/PromptOverlayButtonWrapper';
@@ -9,10 +10,17 @@ import { usePrompt } from 'features/prompt/usePrompt';
 import { memo, useCallback, useRef } from 'react';
 import { useTranslation } from 'react-i18next';
 
+const persistOptions: Parameters<typeof usePersistedTextAreaSize>[2] = {
+  trackWidth: false,
+  trackHeight: true,
+};
+
 export const ParamSDXLPositiveStylePrompt = memo(() => {
   const dispatch = useAppDispatch();
   const prompt = useAppSelector(selectPositivePrompt2);
   const textareaRef = useRef<HTMLTextAreaElement>(null);
+  usePersistedTextAreaSize('positive_style_prompt', textareaRef, persistOptions);
+
   const { t } = useTranslation();
   const handleChange = useCallback(
     (v: string) => {