Scientific Name:
Crocus vernus
(incl. hybrid cvs.)
Pronunciation:
KROE-kuss VUR-nuss
Common Name:
Dutch crocus, crocus
Family Name:
Iridaceae
Plant Type:
Flowering pot plant, Herbaceous perennial
Key ID Features:
Leaves basal, linear, most 8-14cm long x 4-7mm wide, margin entire, whitish-green strip in leaf centre; flowers usually 1 per corm, relatively large at 3-4cm wide, and begin to open about two weeks after those of C. chrysanthus.
Habit:
Upright
Form:
Columnar
Texture:
Medium - fine
Mature Height:
0.1 - 0.2m
Mature Spread:
< 0.1m
Origin:
Europe
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Alpine, Attract beneficial insects, Container planting, Indoor plant, Perennial border, Rock garden, Spring interest
Additional Info:
Leaf Morphology:
Form:
Grass-like
Arrangement:
Basal
Texture/Venation:
Soft flexible, Parallel venation
Surfaces:
Glabrous
Colour in Summer:
Green, White midrib
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Entire
Additional Info:
Turn yellow and fade away before summer
Inflorescence Type:
Flowers solitary
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Campanulate
Ovary Position:
Inferior
Colour (petals):
Showy, White, Yellow, Violet
Flower Time at Peak:
Feb, Mar
Additional Info:
6 tepals
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Apr, May
Additional Info:
Fruit insignificant
Bark or Stem Colour:
n/a
Organ Modifications:
Corms
Propagation:
Division - below ground parts
Optimal Temp.:
Low
Light Level:
Medium
Maintenance:
Low
Pest Susceptibility:
Rodents, Slugs or snails (Deer resistant, Drought tolerant)
Course(s):
- CLT Training
- HORT 1155
- HORT 1193/1293
- Level 3 Apprenticeship
Location(s):
- (AGB) Acer Griseum Bed
- (FEA) Field lab Equipment Area
- (MCF) Main Courtyard Fountain
- (WLG) WoodLand Garden