Asian Twinleaf (Plagiorhegma dubium) - Garden.org

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General Plant Information (Edit)
Plant Habit:	Herb/Forb
Sun Requirements:	Partial or Dappled Shade Partial Shade to Full Shade
Water Preferences:	Mesic
Minimum cold hardiness:	Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone:	Zone 7b
Flowers:	Showy
Flower Color:	Blue Lavender
Bloom Size:	1"-2"
Flower Time:	Late winter or early spring

Common names

Asian Twinleaf
Twin Flower

Botanical names

Accepted: Plagiorhegma dubium
Synonym: Jeffersonia dubia

Photo Gallery

Location: Nora's Garden - Castlegar, B.C.
Date: 2020-04-19
- The purple leaves are starting to turn green.

Uploaded by HemNorth

Location: Western Washington
Date: 2023-04-15

Uploaded by springcolor

Location: Nora's Garden - Castlegar, B.C.
Date: 2019-04-17
- Under the mauve flower heads, purple foliage emerges.

Uploaded by HemNorth

Photo by AntMan01

Uploaded by AntMan01

Location: Riverview, Robson, B.C.
Date: 2008-04-27
5:11 pm. Leaves still with their purple tinge. In summer they ar

Uploaded by HemNorth

Location: My garden in St Louis
Date: 2017-03-05

Uploaded by SL_gardener

Location: Nora's Garden - Castlegar BC
Date: 2016-05-15
1:06 pm. The leaves in the shade, are bright green by mid-May.

Uploaded by HemNorth

Location: My garden in St Louis
Date: 2012-03-10

Uploaded by SL_gardener

Location: RHS Harlow Carr, Yorkshire, UK
Date: 2019-03-24

Uploaded by kniphofia

Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2011-05-11

Uploaded by growitall

Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2012-04-28

Uploaded by growitall

Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2012-04-28

Uploaded by growitall

Location: Nora's Garden - Castlegar BC
Date: 2016-04-07
3:36 pm. Leaves and flowers just emerging.

Uploaded by HemNorth

Location: Nora's Garden - Castlegar BC
Date: 2016-04-08
1:32 pm. One day later, 3 more flowers appear.

Uploaded by HemNorth

Location: My garden in St Louis
Date: 2018-03-10

Uploaded by SL_gardener

Photo by growitall

Uploaded by growitall

Location: Nora's Garden - Castlegar BC
Date: 2016-04-19
6:31 pm. In late April, seed pods are bright green and the purpl

Uploaded by HemNorth

Photo Courtesy of Lazy S'S Farm Nursery.

Uploaded by Joy

Location: My garden in St Louis
Date: 2018-03-15

Uploaded by SL_gardener

Location: RHS Harlow Carr, Yorkshire, UK
Date: 2019-04-13

Uploaded by kniphofia

Location: RHS Harlow Carr, Yorkshire, UK
Date: 2019-04-19

Uploaded by kniphofia

Photo Courtesy of Shikoku Garden Inc.

Uploaded by Joy

Location: garden of botanist Robert R. Kowal in Madison, Wisconsin
Photo taken by: James Steakley

Uploaded by robertduval14

Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2012-04-26

Uploaded by growitall

Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2012-04-20

Uploaded by growitall

Location: My garden, Calgary, Alberta, Canada; zone 3.
Date: 2014-06-15

Uploaded by growitall

Photo Courtesy of Shikoku Garden Inc.

Uploaded by Joy

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