Pink Gladiolus or Wild Gladiolus

Pink Gladiolus 2.

Common name

Pink Gladiolus or Wild Gladiolus

Scientific Name

Gladiolus caryophyllaceous

Type of plant

Bulbs or Corms

About this weed

These attractive pink perennial garden escapees (with an unpleasant smell) are common in urban and Banksia woodland in spring. But, there is a misunderstanding that as these plants are so common, they are also native to the Perth Region. Originally from Africa , they are now endangered in South Africa.

Description

Gladiolus are cormous perennials that grow to 0.8 m high. In spring their bright pink flowers stand out in bushland. The leaves have a distinctive red margin and are slightly twisted. Gladiolus reproduce from both seed and corms and both can lie dormant for some time. Seed is dispersed by wind and the seedbank may persist fr up to 5 years. It will generally survive fire and a fire in bushland can bring stimulate corms out of dormancy. As it flowers particularly well following fire, seedling recruitment in the seasons following fire could be very high.

Impact on Bushland

If left will spread over bushland and impact plant communities.

Location

Commonly seen on the Swan Coastal Plain and Jarrah forest, extending as far as Lake Grace. It prefers grey or white sand and loam.

Priority for removal

High: a major threat to the conservation values of Banksia woodlands and the Swan Coastal Plain.

Management (hand)

Wipe individual leaves with Glyphosate 10 %. Optimum treatment months are July to September.

Management (herbicide)

Spray dense infestations in degraded areas with 1% Glyphosate just on flowering at corm exhaustion. Read the manufacturers’ labels and material safety data sheets before using herbicides. Optimum treatment months are July to September.

Flowering month/s

August, September, October

Flower colour/s

Pink

Information source

https://florabase.dpaw.wa.gov.au/browse/profile/1520

Additional information

https://florabase.dpaw.wa.gov.au/weeds/swanweeds/

Hussey, B.M.J., Keighery, G.J., Dodd, J., Lloyd, S.G. and Cousens, R.D. (2007) Western weeds. A guide to the weeds of Western Australia, Second Edition, The Weeds Society of Western Australia, Victoria Park, Western Australia.

Pink Gladiolus or Wild Gladiolus images


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Location

Urban Bushland Council WA Inc

2 Delhi Street West Perth WA 6005

PO Box 326 West Perth WA 6872

(08) 9420 7207 (please leave a message)

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