Dahlias are half hardy, so keep them protected from frost. Pot tubers individually between February and April and grow them on in a greenhouse or bright indoor position. Alternatively, start them outside in May, once the risk of frost has passed.
Out of season
Deluxe
Let the calming colour of Dahlia 'Night Silence' bring a sense of tranquillity to your summer scheme. Throughout summer, watch as this prolific dahlia throws out bud after bud, each unfurling layers of silky petals which form the most luxurious blooms. Combined with dark bronze foliage, the flowers have an irresistible vintage appeal featuring mellow hues of cherry red and dusky raspberry. The captivating flowers of Dahlia 'Night Silence' are produced continuously throughout summer and into autumn. Not only are they a treasure to enjoy in borders and containers, but offer plentiful pickings to create effortlessly beautiful, relaxed indoor arrangements.
There’s an extra benefit to growing dark-leaved dahlia like Dahlia 'Night Silence'. The dark backdrop they provide will highlight the flowers of neighbouring plants as well as its own. Even before it starts flowering, the foliage brings contrasting colour to a planting scheme so you can enjoy a longer season of interest. Grow Dahlia 'Night Silence' in borders or large patio containers in full sun or partial shade, and remember to deadhead or cut the flowers regularly throughout the season. The more frequently the flowers are cut, the sooner they’ll produce more!
Quantity
Plant profile
Plant calendar
For planting out later, use a snug-fitting 15–20cm pot filled with peat-free multipurpose compost. For a patio display, plant directly into a container at least 30cm wide and keep it somewhere bright and frost free until it can move outdoors.
Position the old stem facing upwards, with the tubers covered and the stem stump level with the compost. Tubers naturally vary in size and shape and may arrive without visible buds. Bent necks are usually fine if they remain firmly attached, so do not remove them.
Water after planting, then allow the compost to become almost dry before watering again while the tuber remains dormant. Once shoots and leaves are growing strongly, water more regularly, always allowing excess water to drain away.
Plant out after the last frost, once the plant is around 20–30cm tall and its roots hold the compost together. Space dahlias approximately 30–50cm apart in borders, allowing less room for compact varieties. Water thoroughly after planting.
Water regularly during active growth and deadhead or cut flowers often. Dahlias usually bloom from July or August until the first frost, although later-planted tubers may start in late August or September. In autumn, lift, clean and dry the tubers, then store them somewhere cool, dry, airy and frost free.
- Botanical name
- Dahlia 'Night Silence'
- Flower colour
- Cherry red, dusky pink
- Tuber size
- 1
- Established height
- 1-1.2m
- Established spread
- 30-50cm
- Growing skill
- Easy to grow
- Habit
- Upright
- Hardiness
- Half hardy
- Leaf colour
- Bronze, green
- Mouse resistant
- No
- Plant spacing
- 5 tubers per m2
- Pollinator friendly
- No
- Position
- Sheltered
- Rabbit resistant
- No
- Scented
- No
- Soil acidity
- Any
- Soil moisture
- Free draining
- Soil type
-
Loam
Sandy
Multipurpose compost
Loam-based compost - Suitable for
-
Large containers
Borders
Gravel gardens
Coastal gardens
Cottage gardens
Low maintenance gardens
Cut flower gardens - Sunlight
-
Full sun
Partial shade - Toxicity
- No report
- Years to establish
- 1st year
Good for cutting
Thrives in full sun
Perennial
Packed in paper
Low maintenance
Top-size tubers
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Dahlia 'Night Silence' reviews
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