Dahlia 'Glorie van Noordwijk' (S-c) | dahlia 'Glorie van Noordwijk'

RHS

Synonyms

Dahlia 'Nordwijks Glory'

Herbaceous Perennial

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An upright, bushy herbaceous perennial to 1.1m high, with dark green leaves and semi-cactus shaped flowerheads up to 20cm across, with soft peachy-orange florets. Flowers from summer to autumn, until the first frosts.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.5-1 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H3

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Dahlia are tuberous rooted perennials with pinnately divided leaves and showy flowerheads, double in many cultivars, in summer and autumn
Name Status: Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: Semi-cactus dahlias have fully double flowerheads with narrow, pointed, straight or incurved ray florets broader at the base

How to Grow

Cultivation

Grow in fertile, humus-rich, well-drained soil, in full sun; may require support, see staking (perennials). Lift and store tubers in autumn to replant or use as a source of cuttings in spring. For more advice, see dahlia cultivation and our video How to plant dahlia tubers and care tips

Propagation

Propagate by seed sown at 16ºC in spring, harden off and plant out when all danger of frost has passed; or propagate by division, dividing tubers in early spring, ensuring each section has a growing shoot

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Cut flowers
Flower borders and beds

Pruning

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

Pests

May be susceptible to aphids, capsid bugs, glasshouse red spider mite, caterpillars, earwigs and slugs

Diseases

May be susceptible to powdery mildews and virus diseases; tubers may rot in storage in damp conditions