Blue passionflower (Passiflora caerulea)



Blue passionflower is regarded as an environmental weed in Victoria and some parts of NSW. It is cultivated for it's flowers and as a stock for grafted passionfruits. Blue passionfruit can sprout from below the graft, growing rapidly and escaping cultivation. It can spread quickly in bushland areas, densly smothering native vegetation. 


Blue passion flower plants have large leaves 8–12 cm long, that are deeply divided into usually five lobes. It has a distinct passionfruit flower with blue filaments (hair-like structures in centre) in the flower. 


Richardson FJ, Richardson RG and Shepherd RCH (2006). Weeds of the south-east an identification guide for Australia. RG and FJ Richardson, Melbourne.

Department of Employment, Economic Development and Innovation (2011) Blue passionflower, Passiflora caerulea. Queensland Government. Available at: Accessed 2014.

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Herbicide options

Contact your local council weeds officer for control advice for Blue passionflower (Passiflora caerulea).

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Biosecurity duty

The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). It describes the state and regional priorities for weeds in New South Wales, Australia.

Area Duty
All of NSW General Biosecurity Duty
All plants are regulated with a general biosecurity duty to prevent, eliminate or minimise any biosecurity risk they may pose. Any person who deals with any plant, who knows (or ought to know) of any biosecurity risk, has a duty to ensure the risk is prevented, eliminated or minimised, so far as is reasonably practicable.

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Reviewed 2014