Overview

Dahlia 'Innocent Silence' (D) is a bushy, clump-forming, tuberous perennial bedding in the genus Dahlia, part of the Asteraceae family, with green, occasionally dark-leaved foliage. Dahlia 'Innocent Silence' (D) grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders, containers and cut flowers.

About

Dahlia 'Innocent Silence' is a clump-forming, tuberous perennial grown for summer and autumn blooms and for use as cut flowers. It favours a south-facing, sheltered position in full sun and loamy, neutral soil that stays moist but drains freely. Rated H4, it has average UK hardiness and will need attention in the coldest sites. Flowering runs from July to October, providing sustained colour for borders and containers.

About the genus

Dahlias come from the high meadows of Mexico, and somewhere in that heritage is the explanation for how they behave here: tender to frost, hungry, generous beyond all reason. No other plant gives you quite so much for so little. One tuber, planted after the last frost, becomes a shrub's worth of flowers by August — and the more you cut, the more they come.The range is faintly ridiculous. Tight pompoms, spiky cactus types, singles the bees adore, dinner-plates the size of your face. Whatever your garden's mood, there is a dahlia that agrees with it, which is probably why every generation falls out of love with them and then, a decade later, falls straight back in.They're at their best when much of the garden is winding down — late summer into autumn, flowering hard until the first frost calls time. I think of them as the encore. And they always play it.

Written by Henry

In the garden

Dahlia 'Innocent Silence' is a cultivated dahlia valued for long summer-to-autumn flowering and its suitability for cutting. As a member of the Dahlia group, it grows from tubers and forms a compact clump of stems and leaves that produce repeated blooms from July to October. Plant where it receives full sun on a south-facing, sheltered aspect and in a loam-based soil of neutral pH. Keep the soil moist but well drained; heavy waterlogging will weaken the tubers while a consistent moisture level supports steady flowering. Its H4 rating (average hardiness) means it will overwinter in many parts of the UK with some protection in colder areas or siting where frost exposure is limited. Use it in mixed borders where a season-long display is required, in large containers on warm patios, or as a dependable source of stems for cutting. Positioning against a warm, sheltered wall or within a protected bed will extend bloom and reduce wind damage to the flower stems. The long July–October flowering period makes it particularly useful for a continuous supply of cut material through late summer and into autumn.

Growing conditions

Best soil and position for Dahlia

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Dahlia 'Innocent Silence' (D) size, habit and characteristics

Plant type
Bedding, Herbaceous Perennial
Habit
Bushy, clump-forming, tuberous perennial
Foliage
Green, occasionally dark-leaved
Suggested uses
Borders, containers, cut flowers

Care notes

Pruning and caring for Dahlia 'Innocent Silence' (D)

Propagation
Division, cuttings, seed
Pest resistance
Generally pest-resistant
Disease resistance
Generally disease-resistant

Frequently asked questions

Where is the best place to plant Dahlia 'Innocent Silence' (D)?

Dahlia 'Innocent Silence' (D) prefers full sun. It suits sheltered positions.

What soil does Dahlia 'Innocent Silence' (D) need?

Dahlia 'Innocent Silence' (D) grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Dahlia 'Innocent Silence' (D) hardy in the UK?

Dahlia 'Innocent Silence' (D) has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Dahlia 'Innocent Silence' (D)?

Division, cuttings, seed.

More in the Dahlia genus

Browse all Dahlia