How to Grow Althaea – Marsh Mallow
Althaea–commonly called marsh mallow–is a perennial often grown as an annual. It closely resembles the hollyhock (Alcea) but with smaller, usually stalked flowers. Althaea is often grown in moist, brackish habitats. Althaea bears pink to purple, cup-shaped flowers on tall, erect stems in summer. The flowers are smaller than hollyhocks with notched petals. The flowers…
