Hibbertia obtusifolia
Hibbertia obtusifolia · Dilleniaceae
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around hibbertia obtusifolia and prepare for winter.
ID card
- Foliage
- Evergreen
- Flowering
- Spring to early summer (September to November in Southern Hemisphere)
- Adult size
- 1 to 1.5 m in height and width
- Growth
- Moderate
- Hardiness
- Not very hardy, Mediterranean to warm temperate climate
- Origin
- Eastern Australia
- Soil type
- Well-drained, slightly acidic, poor to moderately fertile
Care
Light exposure
Place Hibbertia obtusifolia in full sun or partial shade to encourage abundant flowering. This Australian plant enjoys direct light but tolerates partial shade in very hot climates. Protect it from harsh drying winds.
Watering
Water regularly during growth and flowering, keeping the substrate moist but not waterlogged. Once established, reduce watering as the plant tolerates moderate drought. In winter or temperate climates, let the soil dry slightly between waterings.
Soil and drainage
Well-drained substrate is essential: amend the soil with sand or gravel to prevent root suffocation. Hibbertia obtusifolia prefers slightly acidic and poor soil. Avoid clay and overly rich soil that promote rot.
Pruning and shaping
Perform light pruning after flowering to maintain a compact, bushy form. Remove dead or poorly oriented branches to open up the center of the plant. Avoid severe pruning as it would significantly reduce flowering the following year.
Fertilizing
Apply balanced or low-nitrogen fertilizer in spring, before flowering. Limit applications as this plant thrives in nutrient-poor soil. One application is usually sufficient; excess fertilizer promotes foliage at the expense of flowers.
Diseases and pests
Watch for root rot if humidity is excessive. Aphids or spider mites may occasionally affect foliage in dry climates. Ensure good air circulation and observe moderate watering practices to prevent fungal problems.
Did you know?
Hibbertia obtusifolia belongs to the Dilleniaceae family, an ancient botanical lineage whose bright yellow flowers recall Mediterranean Rock Roses. This Australian plant is named after British botanist George Hibbert (1782–1837) and remains little known in Europe, reserved for collectors of Mediterranean plants or specialized Australian flora gardens.
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.
Add this plant to my garden →Plants from the same family
- Hibbertia ripariaHibbertia riparia
- Hibbertia scandensHibbertia scandens
- Curatella americanaCuratella americana
- CamelliaCamellia japonica
- Pedunculate oakQuercus robur
- GrapevineVitis vinifera
Tips generated and checked by Viridia — adapt them to your local climate.