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Herbaceous Perennial

Rudbeckia missouriensis

Missouri coneflower

A vigorous, hairy, upright herbaceous perennial to 90cm tall, with wiry stems and narrow leaves. From late summer until autumn it produces daisy-like flowerheads composed of bright yellow ray florets around a central, black cone. The pollinator-friendly flowers are good for cutting

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing

Exposure

Sheltered

Drought resistance

Yes

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)

Botanical details

Family: Asteraceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk
Name status: Correct
Plant range: C & SC USA

How to grow

Cultivation

Grow in moderately fertile, neutral to alkaline soil in full sun. Drought tolerant once established. See rudbeckia cultivation

Propagation

Propagate by seed or division

Suggested planting locations and garden types

Cottage and informal garden
Prairie planting
Wildlife gardens
Low Maintenance
Cut flowers
Flower borders and beds

Pruning

Cut old stems back to ground level in early spring

Pests

May be susceptible to aphids

Diseases

May be susceptible to powdery mildews

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