rosilla
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A species of compact, clump-forming perennial, up to 160cm high with 'winged' stems with flaps of tissue down them and dark green leaves, mainly at the base. The large, rounded heads are yellowish-brown and generally have no petals, except for a few at the base in summer through to autumn
Scientific classification
- Species
- rosilla (Helenium puberulum)
- Genus
- Helenium
- Family
- Asteraceae
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- Toxicity
- Herbaceous Perennial
- Plant type
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- Height
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- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun
- Sunlight
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- Ideal temperature
rosilla pictures
Distribution of rosilla
Distribution map
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Culture
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Toxicity
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Quick identification of rosilla
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rosilla care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full sun
- Sunlight
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- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
FertilizingBalanced perennial feed every four weeks from spring through summer
Pruning
PruningDeadhead to prolong flowering
Propagation
PropagationPropagate by basal softwood cuttings in spring, or by division in spring or late autumn
Growing
GrowingGrow in full sun in fertile, moisture-retentive, humus-rich soil. Keep well watered in summer dry spells. Divide every two to three years to maintain vigour
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Common pests and diseases
Diseases
May be susceptible to powdery mildews, leaf spot, verticillium wilt and virus diseases
Pests
May be susceptible to stem and bulb eelworm, tortrix moth, slugs and snails
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