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Rudbeckia triloba

Rudbeckia triloba
Brown-eyed susan, Thin-leaved coneflower, Three-lobed coneflower

5,0/5
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Very beautiful plant. Received in the spring and has bloomed very well this summer. It withstands drought well with limited watering.

Anais, 06/09/2020

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This plant carries a 12 months recovery warranty

More information

Graden Merit
A vigorous perennial plant that bears bright yellow flowers with a brown centre
Flower size
4 cm
Height at maturity
1.50 m
Spread at maturity
50 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil
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Recommended planting time February to April, September to November
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Flowering time July to October
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Description

Rudbeckia triloba is a beautiful perennial that forms a very bushy plant with highly branched stems bearing dark green leaves that are single or divided into 3 lobes. It bears dazzling yellow flowers that are quite round. They display a black conical centre, which has earned it the nickname of brown-eyed susan. This slightly wild-looking species blooms abundantly if planted in full sun in moist soil.

 

This genus comprises annual and perennial plants, which are almost irreplaceable in a summer garden.

 

Flowering

Flower colour yellow
Flowering time July to October
Flower size 4 cm

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 1.50 m
Spread at maturity 50 cm
Growth rate fast

Botanical data

Genus

Rudbeckia

Species

triloba

Family

Asteraceae

Other common names

Brown-eyed susan, Thin-leaved coneflower, Three-lobed coneflower

Origin

Cultivar or hybrid

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Planting and care

Rudbeckias are all hardy, easy to grow, and floriferous. They adapt to all situations and ordinary soils. What more could you ask for? 

Planting period

Recommended planting time February to April, September to November

Intended location

Suitable for Meadow
Type of use Border
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, Well-drained.

Care

Pruning No pruning necessary
Overwinter Can be left in the ground
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