Staehelina dubia
Staehelina dubia · Asteraceae
The gardener's calendar
Ideal time to plant staehelina dubia: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Asteraceae
- Form
- Herbaceous
- Foliage
- Evergreen
- Flowering
- Summer to fall (July-September)
- Adult size
- 16-24 inches tall
- Hardiness
- Zone 8-10 (sensitive to severe frost)
- Origin
- Mediterranean region
- Soil type
- Well-draining, poor to moderately fertile
Care
Sunlight
Staehelina dubia requires full sun exposure to thrive. Choose a bright, open location with at least 6 hours of direct sunlight daily. Generous light promotes abundant flowering and strengthens the plant's resilience.
Watering
Water moderately after planting, then gradually space out watering once established. This plant tolerates drought well and fears excess moisture. During summer, limit watering to once a week in hot climates.
Soil and Drainage
Well-draining soil is essential to prevent root rot. Enrich the soil with sand or gravel if your terrain retains too much water. This Mediterranean plant prefers poor to moderately fertile soils, typical of dry environments.
Pruning and Maintenance
Prune lightly after flowering to maintain a compact, bushy shape. Remove spent flowers to extend blooming. Gentle spring cutback stimulates branching without weakening the plant.
Fertilizing
Staehelina dubia doesn't need rich fertilizer. A light application of balanced fertilizer in spring is sufficient. Avoid excess nitrogen, which promotes foliage at the expense of flowers.
Diseases and Pests
This robust plant suffers from few diseases if exposure and drainage are suitable. Watch for rot in case of excessive moisture. Aphids may occasionally appear: treat with a soap spray if needed.
Did you know?
Staehelina dubia, commonly called "Doubtful Staehelina" due to its long-uncertain botanical classification, is a small Mediterranean plant beloved by bees and butterflies. Its delicate yellow flowers and finely toothed foliage make it a subtle but valuable asset for dry Mediterranean or xeric gardens.
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.
Add this plant to my garden →Plants from the same family
- SunflowerHelianthus annuus
- YarrowAchillea millefolium
- Ox-eye daisyLeucanthemum vulgare
- SneezewortAchillea ptarmica
- Canadian goldenrodSolidago canadensis
- WormwoodArtemisia absinthium
Tips generated and checked by Viridia — adapt them to your local climate.