Overview
Watsonia transvaalensis is a tufted bulbs in the genus Watsonia, part of the Iridaceae family, with deciduous foliage. Watsonia transvaalensis grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H3. Suggested uses include patio and container plants, mediterranean climate plants, conservatory and greenhouse, cut flowers, flower borders and beds and wall side borders.
About
Watsonia transvaalensis is a tufted cultivar of the Watsonia genus, which comprises perennial plants growing from corms with upright, linear or narrowly lanceolate leaves. This deciduous plant produces tubular flowers with curved forms and outward-spreading lobes arranged in spikes. It thrives in full sun on south- or west-facing, sheltered aspects, preferring moist but well-drained loam or sandy soils with a range of pH levels. Hardy to UK zone H3, it is suitable for patios, containers, conservatories, cut flowers, and flower borders, with spring as its season of interest.
Growing conditions
Best soil and position for Watsonia
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
Watsonia transvaalensis size, habit and characteristics
- Plant type
- Bulbs
- Habit
- Tufted
- Foliage
- Deciduous
- Suggested uses
- Patio and container plants, Mediterranean climate plants, Conservatory and greenhouse, Cut flowers, Flower borders and beds, Wall side borders
Care notes
Pruning and caring for Watsonia transvaalensis
- Propagation
- Seed, Division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Watsonia transvaalensis?
Watsonia transvaalensis prefers full sun. It suits sheltered positions.
What soil does Watsonia transvaalensis need?
Watsonia transvaalensis grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Watsonia transvaalensis hardy in the UK?
Watsonia transvaalensis has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.
How do I propagate Watsonia transvaalensis?
Seed, Division.