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Request plant health laboratories and advisory services

We provide professional analytical and diagnostic services for the identification of plant pests, and nutritional problems for plants in Singapore. We also provide laboratory services to support import checks and phytosanitary certifications for exports.

To ensure the highest quality standards, the Plant Health Laboratories and Advisory Services (PHLA) is ISO/IEC 17025:2017 accredited. We provide diagnostic support with expertise in the following areas:

Focus areasScope of work
Entomology and nematology
  • Provide identification of insects and nematodes and recommendations for pest management
  • Provide pest freedom of plants under phytosanitary certification for export or re-export.
Soil science
  • Conduct physical and chemical tests on soil, soil mixes and sand
  • Provide recommendations on soil management
Phytopathology
  • Provide identification of casual agents for plant diseases and recommendations for pest management
  • Provide disease freedom of plants and plant products under phytosanitary certification for export and re-export.

Refer to the following steps to request laboratory services for your plant specimens:

Latest resources

View all resources
Guidelines
Guidelines
Guide to interpreting soil and soil mix test results (PDF, 174KB)

Find out the sufficiency range for soil and approved soil mix (ASM) specification to assess laboratory test results

Apr 2025
Guidelines
Guidelines
Plant health laboratories and advisory services service booklet (PDF, 451KB)

The document outlines NParks’ plant health laboratory services, testing procedures, fees and submission guidelines.

Mar 2025
Guidelines
Guidelines
Guides on chemical spraying (PDF, 1,129KB)

Find out more on the dos and don’ts when spraying pesticides and fungicides in your garden.

Aug 2022

How to find us

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Opening hours
  • Monday to Thursdays: 8.30am to 12pm, 2pm to 5pm (sample submissions close at 4.30pm)
  • Fridays: 8.30am to 12pm, 2pm to 4.30pm (sample submissions close at 4pm)
  • New Year's Eve, Chinese New Year's Eve and Christmas Eve: 8.30am to 12pm (sample submissions close at 12pm)
  • Closed on Saturdays, Sundays and Public Holidays
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Getting here
Exit PIE at Jalan Bahar. Turn right and follow Lim Chu Kang Road towards Nanyang Technological University (NTU) and the Civil Defence Academy.
Nearby stations
  • Choa Chu Kang MRT station
NEAR mobile app

Download the NEAR mobile app to find a route via our park connectors or trails.

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National Parks Board

© 2025 National Parks Board.
Last updated on 18 November 2024.