diff --git a/core/modules/ckeditor5/css/editor.css b/core/modules/ckeditor5/css/editor.css
index 5c28250f97..a93a53e0f9 100644
--- a/core/modules/ckeditor5/css/editor.css
+++ b/core/modules/ckeditor5/css/editor.css
@@ -8,3 +8,8 @@
   opacity: 1 !important;
   fill-opacity: 1 !important;
 }
+
+.ck-editor__editable {
+  min-height: var(--ck-min-height);
+  max-height: calc(100vh - var(--drupal-displace-offset-top, 0px) - 20px);
+}
diff --git a/core/modules/ckeditor5/js/ckeditor5.es6.js b/core/modules/ckeditor5/js/ckeditor5.es6.js
index 61e7e12854..3cced0ac9d 100644
--- a/core/modules/ckeditor5/js/ckeditor5.es6.js
+++ b/core/modules/ckeditor5/js/ckeditor5.es6.js
@@ -420,11 +420,25 @@
 
       ClassicEditor.create(element, editorConfig)
         .then((editor) => {
-          // Save a reference to the initialized instance.
+          function calculateHeight() {
+            const element = document.createElement('div');
+            element.setAttribute('style', 'visibility: hidden;');
+            element.innerHTML = ' ';
+            editor.ui.view.editable.element.append(element);
+            const height = element.clientHeight;
+            element.remove();
+            return height;
+          }
           Drupal.CKEditor5Instances.set(id, editor);
-
-          // CKEditor 4 had a feature to remove the required attribute
-          // see: https://www.drupal.org/project/drupal/issues/1954968
+          // Set the minimum height of the editable area to correspond with the
+          // user inputted value of number of rows.
+          const rows = editor.sourceElement.getAttribute('rows');
+          editor.ui.view.editable.element
+            .closest('.ck-editor')
+            .style.setProperty(
+              '--ck-min-height',
+              `${rows * calculateHeight()} px`,
+            );
           if (element.hasAttribute('required')) {
             required.add(id);
             element.removeAttribute('required');
diff --git a/core/modules/ckeditor5/js/ckeditor5.js b/core/modules/ckeditor5/js/ckeditor5.js
index 06f4970fd6..78fd8c8f8e 100644
--- a/core/modules/ckeditor5/js/ckeditor5.js
+++ b/core/modules/ckeditor5/js/ckeditor5.js
@@ -172,7 +172,18 @@ function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len
       var id = setElementId(element);
       var ClassicEditor = editorClassic.ClassicEditor;
       ClassicEditor.create(element, editorConfig).then(function (editor) {
+        function calculateHeight() {
+          var element = document.createElement('div');
+          element.setAttribute('style', 'visibility: hidden;');
+          element.innerHTML = ' ';
+          editor.ui.view.editable.element.append(element);
+          var height = element.clientHeight;
+          element.remove();
+          return height;
+        }
         Drupal.CKEditor5Instances.set(id, editor);
+        var rows = editor.sourceElement.getAttribute('rows');
+        editor.ui.view.editable.element.closest('.ck-editor').style.setProperty('--ck-min-height', "".concat(rows * calculateHeight(), " px"));
         if (element.hasAttribute('required')) {
           required.add(id);
           element.removeAttribute('required');