Practical
Plants

Isatis glauca

a perennial member of the Isatis genus in the family Brassicaceae.

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Taxonomy and growth

Genus
Isatis
Life cycle
perennial
Height
1 m
Fertility
Insects
Flower type
hermaphrodite
Pollinators
Insects

Uses

Material uses

This section contains historical Plants For A Future notes marked noncommercial.

A blue dye is obtained from the leaves[3].

Product or use
Dye

Environment

Range
W. Asia.
Habitat
Steppe and fallow fields, 800 - 1750 metres in Turkey[5].
Light
full sun
Shade tolerance
no shade
Water
moderate
Hardiness
Zone 7+
Soil textures
sandy, loamy, clay
Soil pH
acid, neutral, alkaline
Drainage
well drained
Tolerates Nutritionally Poor Soil
No
Drought
intolerant

Propagation

This section contains historical Plants For A Future notes marked noncommercial.

Seed - sow spring or autumn in situ or in an outdoor seedbed[4]. If seed is in short supply then it might be better to sow it in a cold frame in the spring. Prick out the seedlings into individual pots when they are large enough to handle, and plant out in early summer. Division in spring[4].

Cultivation

This section contains historical Plants For A Future notes marked noncommercial.

Prefers a well-drained fertile soil in a sunny position[2][4]. Succeeds in ordinary garden soil[1].

References

  1. F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951-00-00

    ↩

  2. Holtom. J. and Hylton. W. Complete Guide to Herbs. Rodale Press 1979-00-00 ISBN 0-87857-262-7

    ↩

  3. Buchanan. R. A Weavers Garden.

    ↩

  4. Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5

    ↩1↩2↩3

  5. Davis. P. H. Flora of Turkey. Edinburgh University Press 1965-00-00

    ↩

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