Rudbeckia triloba 'Prairie Glow' (brown-eyed Susan 'Prairie Glow') — Bushy

Overview

Rudbeckia triloba 'Prairie Glow' is a bushy herbaceous perennial in the genus Rudbeckia, part of the Asteraceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.5-1 metres wide, reaching full size in around 1-2 years. Rudbeckia triloba 'Prairie Glow' grows best in full sun, and tolerates clay and loam soils and any pH. Its UK hardiness is rated H6. Suggested uses include borders, containers and prairie-style plantings. It is native to Colorado, Missouri, South Carolina, District of Columbia, Alabama, Louisiana, Maryland and Ohio.

About

Rudbeckia triloba 'Prairie Glow' is a bushy, herbaceous perennial belonging to the genus Rudbeckia in the Asteraceae family. This deciduous plant grows to a height and spread of 0.5 to 1 metre, reaching full size within 1 to 2 years. It thrives in full sun with a sheltered aspect, preferring south, west, or east-facing positions. Suitable for clay or loam soils of varying pH, it requires moist but well-drained conditions. Native to several US states, 'Prairie Glow' offers seasonal interest from spring through autumn.

About the genus

Rudbeckia is a plant genus in the Asteraceae or composite family. Rudbeckia flowers feature a prominent, raised central disc in black, brown shades of green, and in-between tones, giving rise to their familiar common names of coneflowers and black-eyed-susans. All are native to North America, and many species are cultivated in gardens for their showy yellow or gold flower heads that bloom in mid to late summer.

Wikipedia contributors, "Rudbeckia", CC BY-SA 4.0 — Rudbeckia

Growing conditions

Best soil and position for Rudbeckia

Sunlight: Full sun
Soil type: Clay, Loam
Soil pH: Acid, Alkaline, Neutral
Soil moisture: Moist but well-drained
Aspect: South-facing, West-facing, East-facing
Exposure: Sheltered
UK hardiness: H6

Plant details

Rudbeckia triloba 'Prairie Glow' size, habit and characteristics

Plant type: Herbaceous Perennial
Habit: Bushy
Foliage: Deciduous
Height: 0.5-1 metres
Spread: 0.5-1 metres
Time to full height: 1-2 years
Suggested uses: Borders, containers, prairie-style plantings
Native to: Colorado, Missouri, South Carolina, District of Columbia, Alabama, Louisiana, Maryland, Ohio

Care notes

Pruning and caring for Rudbeckia triloba 'Prairie Glow'

Cultivation: Plant in well-drained soil in full sun. Water regularly to maintain moist soil. Deadhead spent flowers to encourage prolonged blooming. Mulch in winter to protect roots.
Pruning: Cut back to ground level in late autumn or early spring to promote healthy new growth.
Propagation: Division, seed
Pest resistance: Slugs, Snails, Aphids
Disease resistance: Powdery mildew

Frequently asked questions

How do I grow Rudbeckia triloba 'Prairie Glow'?

Plant in well-drained soil in full sun. Water regularly to maintain moist soil. Deadhead spent flowers to encourage prolonged blooming. Mulch in winter to protect roots.

Where is the best place to plant Rudbeckia triloba 'Prairie Glow'?

Rudbeckia triloba 'Prairie Glow' prefers full sun. It suits sheltered positions.

What soil does Rudbeckia triloba 'Prairie Glow' need?

Rudbeckia triloba 'Prairie Glow' grows best in clay and loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

How do I prune Rudbeckia triloba 'Prairie Glow'?

Cut back to ground level in late autumn or early spring to promote healthy new growth.

How big does Rudbeckia triloba 'Prairie Glow' grow?

Rudbeckia triloba 'Prairie Glow' reaches a height of 0.5-1 metres and a spread of 0.5-1 metres. It takes around 1-2 years to reach full size.

Is Rudbeckia triloba 'Prairie Glow' hardy in the UK?

Rudbeckia triloba 'Prairie Glow' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Rudbeckia triloba 'Prairie Glow'?

Division, seed.

More in the Rudbeckia genus

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