× Alcalthaea suffrutescens
- Common name(s): Hollyhock, Marsh Mallow
- Blooming time: summer
- Blooming colors: yellow, pink
- Height: up to 1,8 m
- Origin: the parent species are native to Eurasia
- Hardiness zone (USDA): Z6 – to -17 °C
- Family: Malvaceae
- More infos: × Alcalthaea suffrutescens is a crossing between Alcea rosea × Althaea officinalis. The images are showing a cultivar named “Park Allee”.