Leptocarpus tenax
Leptocarpus tenax · Restionaceae
The gardener's calendar
Ideal time to plant leptocarpus tenax: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Common name
- Tough Rush, Tenacious Restio
- Foliage
- Evergreen
- Habit
- Clumping, upright
- Mature size
- 1 to 1.5 m in height
- Growth rate
- Moderate
- Hardiness
- Mild regions, sensitive to severe frost
- Origin
- New Zealand
- Soil type
- Well-drained, light, preferably acidic
Care
Watering
Keep the soil moist but well-drained, especially during the growing season. Reduce watering in winter. Avoid stagnant water which causes root rot. Light mulching helps retain moisture without excess.
Light exposure
Prefer a sunny to semi-shaded location. Leptocarpus tenax tolerates various exposures well, but develops better in sun. This also strengthens the colour and structure of the foliage.
Soil and drainage
Require light, well-drained and preferably acidic soil. Enrich with sand or fine gravel if the soil is too compact. Drainage is crucial: this New Zealand native dislikes heavy, waterlogged soils.
Pruning and trimming
No real pruning needed. You can remove dead or damaged stems in spring. Lightly trim dried foliage in late winter to rejuvenate the clump and promote dense growth.
Fertiliser
Apply a balanced or low-nitrogen fertiliser in spring and early summer. Don't over-fertilise: this plant grows naturally on poor soils. Moderate feeding is quite sufficient.
Diseases and pests
Generally robust. Watch out for stagnant moisture which can cause rot. In humid indoor conditions, watch for scale insects. Maintain good air circulation and avoid excess water.
Did you know?
Leptocarpus tenax is a spectacular rush native to the coastal and wet zones of New Zealand, where it plays an important role in stabilising peat bogs. Its name 'tenax' means 'tenacious' in Latin, reflecting its remarkable ability to survive difficult conditions and its exceptionally fine evergreen foliage.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.