A bold marginal aquatic with large blue-green canna-like leaves dusted with white bloom and tall stems of purple flowers. A statuesque feature for the edge of ponds.
At a glance
- Plant type: Aquatic plant
- Mature size: 2 m H × 1 m W
- Aspect: full sun and part shade or morning sun
- Water: wet or boggy ground
- Frost: hardy
- Maintenance: low maintenance
- Origin: Exotic
About Powdery Thalia
Botanically, Thalia dealbata is a moderate-growing aquatic plant in the Marantaceae family. It reaches around 2 m tall and 1 m wide at maturity, with deciduous and silver-grey foliage. Purple flowers appear in summer.
Where to grow Powdery Thalia
Powdery Thalia suits subtropical, warm-temperate and cool-temperate climates and grows best in full sun and part shade or morning sun. It is frost hardy and shrugs off cold winters.
Soil & planting
Powdery Thalia does best in clay soil. Dig in plenty of compost before planting, water in well, and mulch to keep roots cool.
Watering & feeding
Powdery Thalia is adapted to wet or boggy ground. A light spring feed is usually enough to maintain steady growth. New plantings need closer moisture checks in hot or windy weather, with watering tapered once strong new growth appears.
Pruning & care
Prune Powdery Thalia after flowering to keep it compact and encourage the next flush of blooms. Expect a low maintenance care workload once it is established.
Using Powdery Thalia in the garden
Powdery Thalia earns its place for a feature or specimen planting and holding soil on banks and slopes.
Companion planting & design
For easier irrigation and care, group Powdery Thalia with species that also favour wet or boggy ground and subtropical climate. Leave enough room for the mature spread so neighbouring plants are not crowded out.
Buying Powdery Thalia
Plant Sale lists Powdery Thalia as potted plants. Catalogue forms are planning guidance until the Plant Sale team confirms live availability.
