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Green Dyes

Botanic Dyes: Index Dye-Catalogue

Aconitum carmichaelii

Monkshood

Purple small flowers. Dye Colour: Grey-Bluish-Green, Sage Green and Yellow.

Accession Number

Taxon Name

Common Name

Family

19840078*A

Aconitum carmichaelii

Monkshood

Ranunculoideae

Provenance

Part of Plant

Location Code

Season

Garden Origin

Flowers

NW6

Summer – Autumn

 

Method:

  • Heat dried or fresh flowers in water and reduced by 1/4 
  • Add Alum mordant (pH4) = Yellow
  • Add Potash mordant (pH12) = Green / Blues
  • Handle plant with care

 

Alcea rosea Nigra

Hollyhock

Purple flower with yellow centre with unopened green pods. Dye Colour: Olive-Green, Sage-Green, Grey-Blue and Purple.

Accession Number

Taxon Name

Common Name

Family

20150196

Alcea rosea Nigra

Hollyhock

Malvaceae

Provenance

Part of Plant

Location Code

Season

Endemic to Turkey

Flowers

SW5

Summer – Autumn

 

Method:

  • Heated the flowers in water and reduced by 1/4
  • Add Alum mordant = Purple
  • Add Alum mordant and powdered eggshells = Green Paint

 

Cobaela scandens

Cobaela

Purple flower and green leaves. Dye Colour: Soft Greens.

Accession Number

Taxon Name

Common Name

Family

20171239*B

Cobaela scandens

Cobaela

Polemoniaceae

Provenance

Part of Plant

Location Code

Season

Mexico

Flowers

NW26-3

Summer – Autumn

 

Method:

  • Heat fresh flowers in water and reduced by half (pH7)
  • Add Alum mordant to the dye (pH3) = Deep Purple
  • Add Tin mordant to the dye (pH2) = Purple – then turns Green

 

Hibiscus syriacus

Hibiscus   

Liliac light-Purple flower with deep purple centre with Yellow stigma. Dye Colour: Olive-Green, Brown and Light-Yellow.

Accession Number

Taxon Name

Common Name

Family

20150831*A

Hibiscus syriacus

Hibiscus

Malvaceae

Provenance

Part of Plant

Location Code

Season

Garden Origin

Flowers

SE5-23

Summer

 

Method:

  • Heat the unripe berries in water and reduce down to a 1/4
  • Add Alum mordant (pH4) = Olive-Green
  • Add Potash mordant (pH12) = Pale Yellow
  • Add Iron Sulphant mordant (pH2) = Brown

 

Hypericum perforatum

St John’s Wort

Small cluster of Yellow 5-petal flowers with longish stigmas. Dye Colour: Olive-Green and Tan-Yellow.

Accession Number

Taxon Name

Common Name

Family

20190379*B

Hypericum perforatum

St John’s Wort

Malvaceae

Provenance

Part of Plant

Location Code

Season

Old World

Flowers

SW5-17

Summer

 

Method:

  • Heat the flowers in water and reduce down to a 1/4
  • Add Alum mordant (pH4) = Yellow /  Olive-Green on chamois leather
  • Add Potash mordant (pH12) = Tan Yellow
  • Add Bicarbonate of Soda mordant (pH8) = Yellow

 

Iris germanica

Iris

Deep-Purple flower with white centre and stigma. Dye Colour: Green and Blue.

Accession Number

Taxon Name

Common Name

Family

10005280*A

Iris germanica

Purple Iris

Iridaceae

Provenance

Part of Plant

Location Code

Season

Europe to Himalaya

Flowers

SW8-12

Spring

 

Method:

  • Heat the flowers in water and reduce down to a 1/4 (pH5)
  • Add Alum mordant = Blue (Fresh Flowers) Purple (Dried Flowers)
  • Add Tin mordant (pH3)
  • Add tsp chalk to the Tin-dye = Malachite Green Paint

 

Isatis tinctoria

Woad

Elongated Green leaves. Dye Colour: Green.

Accession Number

Taxon Name

Common Name

Family

19590111*A

Isatis tinctoria

Woad

Brassicaceae

Provenance

Part of Plant

Location Code

Season

Europe

Leaves / Seeds

SE5

Spring – Autumn

 

Method:

  • Crush woad leaves in a pestle and mortar until they become like a paste, then place the leaves inside a fine cloth then squeeze the juice from the leaves. 
  • The juice is used without a binder and becomes darker on each layer (9-1) = Green

 

Ligularia japonica

Chinese Dragon

Star-shaped Golden-Yellow flowers with round centres. Dye Colour: Olive-Green.

Accession Number

Taxon Name

Common Name

Family

19710167*A

Ligularia japonica

Chinese Dragon

Asteraceae

Provenance

Part of Plant

Location Code

Season

Tropical Asia

Flowers

NW6

Summer

 

Method:

  • The fruits are heated in water and reduced by half

  • Add Iron Sulphate mordant to the dye (pH2) = Black-Grey

  • Add Tin mordant to the dye (pH2) = Pinkish Colour


 

Rhamnus catharica

Common Buckthorn

Purple-Black berries with Green leaves. Dye Colour: Green, Light-Green

Accession Number

Taxon Name

Common Name

Family

10005915*A

Rhamnus catharica

Common Buckthorn

Rhamnaceae

Provenance

Part of Plant

Location Code

Season

Garden Origin

Ripe Berries

SW15

Summer

 

Method:

  • Heat and crush the ripe berries in water and reduce down 1/4 
  • Add Potash mordant (ph12) = Green
  • Add Alum mordant to hot water crushed and left to soak for several hours, then sieved through a fine mesh.
  • Gum Arabic powder can be added to thicken the dye to make a watercolour. 
  • The dye can be added to 3g of chalk (and tin), mixed well and left to naturally dry to form an additional pigment = Green Paint

 

Rudbeckia laciniate

Coneflower

Yellow-petal flowers. Dye Colour: Tan-Olive-Green.

Accession Number

Taxon Name

Common Name

Family

10006455*A

Rudbeckia laciniate

Coneflower

Asteroideae

Provenance

Part of Plant

Location Code

Season

N America

Flowers / Leaves

SE7

Summer – Autumn

 

Method:

  • Soaked the flowers overnight (pH7)
  • Heated the flowers in water and reduced by 1/4
  • Add Alum mordant = Greenish-yellow / Lime Green then becomes Olive-Green (pH4)
  • Add Potash mordant = Yellow then turns Tan colour (pH12)

 


 

Botanic Dyes

Botanic Dyes

CUBG Artist-in-Residence (2023-24), Nabil Ali created a public Index Dye-Catalogue in the Garden, supported by Arts Council England.
Blue Dyes

Blue Dyes

Botanic Dyes: Index Dye-Catalogue
Red & Pink Dyes

Red & Pink Dyes

Botanic Dyes: Index Dye-Catalogue
University of Cambridge Museums and Botanic Garden

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