Overview
Thalia is a clump forming aquatic in the genus Thalia, part of the Marantaceae family, with green, grey, silver foliage. Thalia grows best in full sun, and tolerates loam soils and any pH. Its UK hardiness is rated H1a. Suggested uses include aquatic plantings and water gardens.
About
Thalia is a clump-forming perennial cultivar within the genus Thalia, known for its elongated, lanceolate leaves on tall stalks. This cultivar displays green, grey, and silver foliage and produces clusters of violet-purple flowers arranged in panicles during spring and summer. It thrives in full sun with a south, west, or east-facing aspect, preferring moist but well-drained loam soil that can be acid, alkaline, or neutral. Suitable for aquatic plantings and water gardens, Thalia requires a sheltered position and is hardy to H1a in the UK.
Growing conditions
Best soil and position for Thalia
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H1a
Plant details
Thalia size, habit and characteristics
- Plant type
- Aquatic, Herbaceous Perennial, Conservatory Greenhouse
- Habit
- Clump forming
- Foliage
- Green, grey, silver
- Suggested uses
- Aquatic plantings, water gardens
Care notes
Pruning and caring for Thalia
- Propagation
- Seed, division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Thalia?
Thalia prefers full sun. It suits sheltered positions.
What soil does Thalia need?
Thalia grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Thalia hardy in the UK?
Thalia has an RHS hardiness rating of H1a, meaning it needs tropical warmth above 15°C and must be grown under glass in the UK.
How do I propagate Thalia?
Seed, division.