dahlia 'Grenadier'

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A tuberous perennial that grows to 1m, with dark foliage and double flowers 9cm across, the broad, overlapping florets bright red, darker in the centre

Scientific classification

Species: dahlia 'Grenadier' (Dahlia 'Grenadier')
Genus: Dahlia
Family: Asteraceae

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Toxicity: Herbaceous Perennial · Bedding
Plant type: 0.5-1 metres
Height: 0.5-1 metres
Spread: Deciduous
Foliage: Bushy
Habit: Spring · Summer · Autumn
Season of interest: Full sun
Sunlight: Information to be completed
Ideal temperature

dahlia 'Grenadier' pictures

Distribution of dahlia 'Grenadier'

Distribution map

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Culture

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Toxicity

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Quick identification of dahlia 'Grenadier'

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dahlia 'Grenadier' care guide

Regular deep watering, keeping soil evenly moist in active summer growth
Watering: Full sun
Sunlight: Information to be completed
Ideal temperature

Watering

Regular deep watering, keeping soil evenly moist in active summer growth

Fertilizing

High-potash dahlia feed every two weeks from growth to flowering

Pruning

Deadhead to prolong flowering. Cut back to near ground level in the autumn, before lifting and storing for the winter

Propagation

Propagate by softwood cuttings taken in spring from shoots from stored tubers, or divide the tubers ensuring each division has a viable bud

Growing

Grow in fertile, humus-rich, well-drained soil, enriched with organic matter and general purpose fertiliser, in full sun. Pinch out growing tips to encourage bushy plants and stake. Water freely in dry periods. Lift and store tubers in autumn to replant or use as a source of cuttings in spring

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Common pests and diseases

Diseases

Powdery mildews can be damaging in dry conditions. In wet weather grey moulds and other fungal rots can be a problem. Fungal rots can also damage stored tubers. A virus may cause stunting, leaf markings and distortion

Pests

Leaf miners, aphids, glasshouse red spider mite and slugs are common pests. Earwigs sometimes damage blooms. Capsid bug and caterpillars are occasional pests

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