Gladiolus watsonius Thunb.
Gladiolus 14 (1784)

Conservation Code: Not threatened
Naturalised Status: Alien to Western Australia
Name Status: Current

Brief Description
Amanda Spooner, Wednesday 15 August 2007

Cormous, perennial, herb, 0.2-0.8 m high. Fl. red-orange, Jul to Sep. Brown loam, sand over granite. Steep slopes.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Jarrah Forest.

IBRA Subregions: Avon Wheatbelt P2, Northern Jarrah Forest, Southern Jarrah Forest.

IMCRA Regions: WA South Coast.

Local Government Areas (LGAs): Albany, Mundaring, Wandering, York.

Management Notes (for the Swan NRM Region)
Kate Brown and Karen Bettink, Thursday 21 December 2017

General Biology. Growth form. Geophyte. Life form. Annually renewed corm. Reproduction. Offsets. Dispersal. Soil, water. Seedbank persistence. 1-5 years. Fire response. Generally survives fire.

Additional information. Origin. South Africa. History of use/introduction. Garden escape.

Suggested method of management and control. Spot spray metsulfuron methyl 0.2 g/15 L + glyphosate 1 % + Pulse® in degraded sites. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.

Management Calendar

Calendar Type Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Comments
Dormant Y Y Y                 Y  
Active Growth       Y Y Y Y Y Y Y Y    
Flowering             Y Y Y        
Optimum Treatment           Y Y Y          

Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.

 

References

  • Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
  • Goldblatt, P. (1989) The genus Watsonia. A systematic monograph. Annals of Kirstenbosch Botanic Gardens, 19.
  • Hussey, B.M.J., Keighery, G.J., Dodd, J., Lloyd, S.G. & Cousens, R.D. (2007) Western Weeds. A guide to the weeds of Western Australia. 2nd Edition. The Plant Protection Society of Western Australia, Victoria Park.

Project information and acknowledgements