General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Dry
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Plant Height: 2 to 3 feet (60-90cm)
Plant Spread: 24 to 32 inches (60-80cm)
Flowers: Showy
Fragrant
Flower Color: Pink
Purple
Flower Time: Summer
Late summer or early fall
Underground structures: Taproot
Uses: Cut Flower
Will Naturalize
Wildlife Attractant: Bees
Birds
Butterflies
Resistances: Deer Resistant
Drought tolerant
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger

Image
Common names
  • Purple Coneflower
  • Coneflower
Also sold as:
  • Ruby Star

Photo Gallery
Location: Thomasville, GA USA
Date: 2019-07-03
A Gulf #fritillary #butterfly (or #passion butterfly) enjoys the
Location: Thomasville, GA USA
Date: 2019-07-03
A Gulf #fritillary #butterfly (or #passion butterfly) enjoys the
Location: Thomasville, GA USA
Date: 2019-09-16
Location: Thomasville, GA USA
Date: 2019-06-28
A #Bumblebee enjoying the sweet nectar on the conflower
Location: Cedarhome, Washington
Location: My Garden, Utah
Date: 2015-07-23
Location: Thomasville, GA USA
Date: 2020-04-04
The second bud on a newly emerging plant
Location: Thomasville, GA USA
Date: 2020-04-04
One of two buds on an newly emerging plant.
Location: West border
Date: July 2015
Location: Nora's Garden - Castlegar, B.C. 
Date: 2016-07-27
Rich colour and simple form.
Location: Southern Maine
Date: 2023-07-11
Purple Coneflower (Echinacea purpurea 'Rubinstern') aka Ruby Star
Location: My Garden, Utah
Date: 2015-07-23
Location: West Jordan, Utah, United States
Date: 2020-08-13
Location: Hood, Alabama 
Date: 2024-06-21
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2017-08-20
Uploaded by kingconeflower
Location: z6a MA, My Garden
Date: 2012-07-04
Rubinstern and friend.
Location: Southern Maine
Date: 2023-07-19
One of the Ruby Star pots at a garden center had 4” white flowe

Courtesy of Diane's Flower Seeds
Location: Riverton, Utah, United States
Date: 2020-08-18
Location: Dearborn Heights, MI
Date: 2007-07-15
My yard, zone 6
Location: Dearborn Heights, MI
Date: 2007-07-15
My yard, zone 6
Location: RHS Hyde Hall, Essex, UK.
Date: 2022-08-09
Location: West Jordan, Utah, United States
Date: 2020-08-13
Location: West Jordan, Utah, United States
Date: 2020-08-13
Location: N. Illinois, zone 5b
Date: 2014-07-04
Location: Eagle Bay, New York
Date: 2022-07-12
Purple Coneflower (Echinacea purpurea 'Rubinstern') aka Ruby Star

Date: 2013-08-08

Date: 2013-08-08
Location: Dearborn Heights, MI
Date: 2007-07-15
My yard, zone 6
Location: My garden in Kentucky
Date: 2006-07-07

Date: 2013-08-08

Date: 2013-08-08
Location: N. Illinois, zone 5b
Date: 30 June 2014
Location: N. Illinois, zone 5b
Date: 2014-07-10
Location: In my garden in Kalama, Wa.
Echinacea Ruby Star with Homestead Verbena
  • Uploaded by Joy
Location: My garden in Kentucky
Date: July 7, 2006

Date: 2013-08-08

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Comments:
  • Posted by eclayne (Pioneer Valley south, MA, USA - Zone 6a) on Jul 9, 2012 9:48 PM concerning plant:
    My understanding of Rubinstern is that it's a seed strain. Therefore, considerable variability should be expected. Mine are ~40" high.
Plant Events from our members
eclayne On July 12, 2014 Bloomed
piksihk On February 16, 2017 Obtained plant
pots 2011 seeds
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