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.js b/core/modules/ckeditor5/js/ckeditor5.js
index 0dfd4f1285..2de458a065 100644
--- a/core/modules/ckeditor5/js/ckeditor5.js
+++ b/core/modules/ckeditor5/js/ckeditor5.js
@@ -370,9 +370,29 @@
 
       ClassicEditor.create(element, editorConfig)
         .then((editor) => {
+          /**
+           * Injects a temporary <div> into the CKeditor and returns its height.
+           *
+           * @returns {number} - the height of a div in pixels.
+           */
+          function calculateHeight() {
+            const element = document.createElement('div');
+            element.setAttribute('style', 'visibility: hidden;');
+            element.innerHTML = '&nbsp;';
+            editor.ui.view.editable.element.append(element);
+            const height = element.clientHeight;
+            element.remove();
+            return height;
+          };
+
           // Save a reference to the initialized instance.
           Drupal.CKEditor5Instances.set(id, editor);
 
+          // 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');
+
           // CKEditor 4 had a feature to remove the required attribute
           // see: https://www.drupal.org/project/drupal/issues/1954968
           if (element.hasAttribute('required')) {