Description

This evergreen, marginal aquatic plant forms a clump of long-stalked, erect, narrowly oval leaves covered in white powder; produces slender stems with small clusters of purple flowers in summer; great for rich, wet soils or on a pond perimeter

Landscape Attributes

Powdery Thalia is an herbaceous evergreen perennial with an upright spreading habit of growth. Its wonderfully bold, coarse texture can be very effective in a balanced garden composition.

Powdery Thalia is recommended for the following landscape applications;

Planting & Growing

Powdery Thalia will grow to be about 6 feet tall at maturity extending to 10 feet tall with the flowers, with a spread of 6 feet. It has a low canopy with a typical clearance of 1 foot from the ground. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years. As an evegreen perennial, this plant will typically keep its form and foliage year-round.

This plant should only be grown in full sunlight. It prefers to grow in moist to wet soil, and will even tolerate some standing water. It is not particular as to soil pH, but grows best in rich soils. It is somewhat tolerant of urban pollution. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This species is native to parts of North America. It can be propagated by division.