Practical
Plants

Erysimum x allionii

Siberian Wallflower

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

No photo available

Taxonomy and growth

Life cycle
perennial
Height
0.3 m
Fertility
Insects
Flower type
hermaphrodite
Pollinators
Insects

Environment

Range
A hybrid species of garden origin.
Habitat
Not known in a truly wild situation.
Light
full sun
Shade tolerance
no shade
Water
moderate
Hardiness
Zone 7+
Soil textures
sandy, loamy, clay
Soil pH
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 late spring in an outdoor seedbed. The seed usually germinates in 1 - 3 weeks[4]. Transplant into their permanent positions in late summer. The taproot can be broken in order to encourage fibrous roots.

Cultivation

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

Prefers a position in full sun in a circumneutral soil[2][5]. Succeeds in ordinary garden soils, tolerating poor soils[1][3]. Plants are liable to die out if the soil is too rich[3]. This species currently does not have a legitimate name(1999), it is a hybrid of garden origin, possibly E. capitatum x E. hieraciifolium. A perennial, it is usually grown as a biennial in the flower garden for spring and early summer bedding. A very ornamental plant, it is liable to die out after flowering, probably because it exhausts itself[1]. A good butterfly plant[6].

References

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

    ↩1↩2

  2. International Bee Research Association. Garden Plants Valuable to Bees. International Bee Research Association. 1981-00-00

    ↩

  3. Sanders. T. W. Popular Hardy Perennials. Collingridge 1926-00-00

    ↩1↩2

  4. Bird. R. (Editor) Growing from Seed. Volume 4. Thompson and Morgan. 1990-00-00

    ↩

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

    ↩

  6. Carter D. Butterflies and Moths in Britain and Europe. Pan 1982-00-00 ISBN 0-330-26642-x

    ↩

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