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 an 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. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in.
Watering & feeding
Powdery Thalia is wet or boggy ground. A feed in spring with a balanced fertiliser keeps growth strong. In its first year, water deeply once or twice a week to settle the roots in, then taper off as it establishes.
Pruning & care
Prune Powdery Thalia after flowering to keep it compact and encourage the next flush of blooms. Overall it is low maintenance.
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 a cohesive, low-care bed, pair Powdery Thalia with other plants that enjoy the same wet or boggy ground and subtropical climate. Repeat it through a border to tie the planting together and give a sense of rhythm.
Buying Powdery Thalia
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