Stokesia laevis 'Klaus Jelitto'

RHS Plant Profile

Stokes' aster 'Klaus Jelitto'

RHS / Joanna Kossak

Herbaceous Perennial

Buy this from Plant Nurseries
9 Suppliers

A herbaceous perennial 35-50cm high with evergreen rosettes of elliptic to lance-shaped, mid-green basal leaves up to 20cm long, smaller stem leaves, and flowerheads, up to 10cm across, with blue-purple ray-florets and disc-florets, from midsummer to early autumn

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained
pH: Acid

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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Columnar upright
Genus: Stokesia are perennials producing evergreen, basal rosettes. The colourful, cornflower-like flowers are long lasting and good for cutting
Name Status: Accepted

How to Grow

Cultivation

Grow in light, fertile, acidic, moist but well-drained soil in full sun, and provide twigs for support; in areas with severe winters, protect with a deep, dry mulch in autumn

Propagation

Propagate by division in spring, or by root cuttings in late winter

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Wildlife gardens
Cut flowers
Flower borders and beds

Pruning

No pruning required, but deadheading will prolong flowering

Pests

Generally pest-free

Diseases

Generally disease-free