Overview
Trachyspermum ammi is a plant with a climbing habit in the genus Trachyspermum, part of the Apiaceae family, with evergreen foliage. Trachyspermum ammi grows best in full sun and partial shade, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H4. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, patio and container plants, low maintenance, conservatory and greenhouse, hedging and screens and wall side borders.
About
Trachyspermum ammi, commonly called Ajowan, is a climbing member of the Apiaceae with evergreen foliage. It favours full sun or partial shade on well-drained loam or sandy soils and tolerates acid to alkaline pH. Best placed in sheltered, south-, west- or east-facing positions, it carries a UK hardiness rating of H4 (average hardy). Flowering occurs from July to September.
About the genus
Ajwain or ajowan —also known as ajowan caraway, thymol seeds, bishop's weed, or carom—is an annual herb in the family Apiaceae. Both the leaves and the seed‑like fruit of the plant are consumed by humans.
Growing conditions
Best soil and position for Trachyspermum
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Trachyspermum ammi size, habit and characteristics
- Habit
- Climbing
- Foliage
- Evergreen
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Patio and container plants, Low Maintenance, Conservatory and greenhouse, Hedging and screens, Wall side borders
Care notes
Pruning and caring for Trachyspermum ammi
- Propagation
- Layering, Semi-ripe cuttings
- Pest resistance
- Cushion scale, Mealybugs, Glasshouse red spider mite
- Disease resistance
- Honey fungus
Frequently asked questions
Where is the best place to plant Trachyspermum ammi?
Trachyspermum ammi prefers full sun and partial shade. It suits sheltered positions.
What soil does Trachyspermum ammi need?
Trachyspermum ammi grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Trachyspermum ammi hardy in the UK?
Trachyspermum ammi has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Trachyspermum ammi?
Layering, Semi-ripe cuttings.