We thank Mr Pang for sharing his concerns. The National Parks Board (NParks) is very cognisant of the potential hazards in using bromeliads as ornamental plants.

Before deciding to target this plant family, which includes the pineapple and the Spanish moss, we ensured measures were in place to prevent the bromeliads becoming potential mosquito breeding sites when used at the Gardens by the Bay.

While details of how the plants will be displayed in the gardens are still being worked out, we take into consideration factors such as those raised by Mr Pang.

We have put in place preventive measures based on our experience with bromeliads and the experience of bromeliad growers in Florida from where the plants were brought in. The plants are treated with biological control agents called Bacillus thuringiensis israelensis (BTi) at 10-day intervals and regularly inspected to ensure no mosquito breeding occurs.

We are also putting in place a vector-monitoring programme, and will conduct research work to ascertain the best preventive controls to be incorporated in the horticulture of this fascinating tropical plant family.

We have been and will continue to work closely with relevant government authorities and industry experts on pest control and preventive measures.

Members of the public are welcome to contribute feedback or queries to NParks' 24-hour QSM (Quality Service Manager) Helpline on 1800-4717300, or e-mail nparks_public_affairs@nparks.gov.sg.

Anton van der Schans
Assistant Director, Horticulture
Gardens by the Bay
National Parks Board