With its fluffy pink-purple flower heads on top of rigid, upright stems that stand around 5 to 7 feet tall, it can provide ample cover throughout the summer, and late into fall. Growing best in US ...

Its tall stems bloom with slightly pointed clusters of showy, pale purple flowers through the summer. This aromatic variety ...

This hardy herb can grow to 6 feet tall, producing reddish-purple flower clusters "hovering on ... Thalictrum rochebrunianum produces tall, strong stems topped with wispy blooms that "float ...