diff --git a/packages/components/src/components/textarea/textarea.test.ts b/packages/components/src/components/textarea/textarea.test.ts
index 48f1b0dbc..665559f8b 100644
--- a/packages/components/src/components/textarea/textarea.test.ts
+++ b/packages/components/src/components/textarea/textarea.test.ts
@@ -185,6 +185,7 @@ describe('<sd-textarea>', () => {
       await el.updateComplete;
 
       expect(el.checkValidity()).to.be.true;
+      expect(el.shadowRoot!.querySelector('textarea')!.getAttribute('aria-invalid')).to.equal('false');
       expect(el.hasAttribute('data-user-invalid')).to.be.false;
       expect(el.hasAttribute('data-user-valid')).to.be.true;
     });
@@ -206,6 +207,7 @@ describe('<sd-textarea>', () => {
       el.blur();
       await el.updateComplete;
 
+      expect(el.shadowRoot!.querySelector('textarea')!.getAttribute('aria-invalid')).to.equal('true');
       expect(el.hasAttribute('data-user-invalid')).to.be.true;
       expect(el.hasAttribute('data-user-valid')).to.be.false;
     });
diff --git a/packages/components/src/components/textarea/textarea.ts b/packages/components/src/components/textarea/textarea.ts
index 379fa2fa6..a2519fbc2 100644
--- a/packages/components/src/components/textarea/textarea.ts
+++ b/packages/components/src/components/textarea/textarea.ts
@@ -404,7 +404,8 @@ export default class SdTextarea extends SolidElement implements SolidFormControl
               spellcheck=${ifDefined(this.spellcheck)}
               enterkeyhint=${ifDefined(this.enterkeyhint)}
               inputmode=${ifDefined(this.inputmode)}
-              aria-describedby="help-text"
+              aria-describedby="help-text invalid-message"
+              aria-invalid=${this.showInvalidStyle}
               @change=${this.handleChange}
               @input=${this.handleInput}
               @invalid=${this.handleInvalid}