Scientific Name:
Erysimum cheiri
Pronunciation:
ur-ISS-ih-mum KAIR-eye
Common Name:
English wallflower
Family Name:
Brassicaceae
Plant Type:
Biennial, Herbaceous perennial
Key ID Features:
Leaves oblong to 8cm long; flowers with single set of petals, arranged in racemes (corymb-like in some cvs).
Habit:
Upright
Form:
Oval - horizontal
Texture:
Medium - fine
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Slow
Origin:
Europe
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Moderate, Low
Landscape Uses:
Ground cover, Mixed shrub border, Perennial border, Spring interest
Additional Info:
Google. Cultivars shown include E. 'Charity Yellow' and E. 'Charity Cream Yellow'. Some wallflower cultivars may look similar to stock (Matthiola).
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate, Spiraled
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous, Pubescent
Colour in Fall:
Green
Shapes:
Oblanceolate, Ovate
Apices:
Acuminate
Bases:
Attenuate
Margins:
Entire, Serrate
Inflorescence Type:
Raceme, Corymb-like
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Cruciform
Ovary Position:
Superior
Colour (petals):
Showy, Orange, Yellow, Purple, Pink, Red
Flower Scent:
Fragrant
Flower Time at Peak:
Apr, May
Fruit Type:
Silique
Fruit Colour:
Brown
Fruiting Time:
Oct, Nov
Bark or Stem Colour:
Propagation:
Seed
Pest Susceptibility:
Fungal leaf spot, Rust, Slugs or snails (Drought tolerant)
