Slender westringia
Westringia eremicola · Lamiaceae
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The gardener's calendar
Slender westringia is in full bloom: enjoy it, watch watering in hot weather and let spent flowers feed pollinators before pruning.
ID card
- Foliage
- Evergreen
- Blooming
- July to September
- Adult height
- 100 cm
- Growth
- Fast to moderate
- Hardiness
- Mediterranean to subtropical climate
- Origin
- Australia (arid zones)
- Soil type
- Well-drained, poor to average
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.
Expert tips
The key tip
Beware of prolonged frost combined with humidity: in wet-winter regions, grow it in a porous pot. Light pruning in March to densify before summer flowering.
The common mistake
Don't water regularly in winter—it goes dormant and rots if the soil is waterlogged in cold conditions.
The pro's trick
Lightly mulch the collar with dry compost in November (3 cm); remove it in March as growth restarts to improve air circulation.
Care
Watering
Westringia eremicola is a highly drought-resistant plant, perfectly suited to dry climates. Water moderately when planting, then reduce watering once established. During active growth, allow the soil to dry between waterings; in winter, maintain minimal watering.
Light exposure
This plant thrives in full sun and requires at least 6 hours of direct daily sunlight for optimal flowering. It tolerates lightly shaded spots but will flower less abundantly. Avoid dense shade areas.
Pruning
Prune lightly after flowering to maintain a compact, branched shape. Remove dead or damaged branches in spring. Gentle annual pruning promotes foliage density and flower production.
Soil
Westringia eremicola prefers well-drained soil, rather poor to average and even chalky. It adapts well to rocky or gravelly soils. Avoid excess moisture and overly rich soils, which promote foliage at the expense of flowers.
Fertilizing
This plant tolerates poor soils and requires little nutrient input. A balanced or slightly phosphorus-rich fertilizer in spring is more than sufficient. Limit nitrogen applications to avoid excessive foliage at the expense of flowering.
Health and problems
Westringia eremicola is generally robust and rarely suffers from disease if drainage is correct. Excess moisture can cause root rot. Occasionally watch for scale insects in hot climates, but the plant generally resists common pests well.
Did you know?
Westringia eremicola is native to the arid regions of central Australia and its name 'eremicola' means 'desert dweller' in botanical Latin. This plant is an excellent example of adaptation to dry environments, featuring gray-green foliage and a deep root system that allows it to thrive where few other plants can survive.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
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Tips generated and checked by Viridia — adapt them to your local climate.