Lisboa, Portugal
City population: 1884876
Duration: 2016 – ongoing
Implementation status: Ongoing
Scale: Micro-scale: District/neighbourhood level
Project area: 70000 m2
Type of area: Protected Area, Natural Heritage Area, Public Greenspace Area
Last updated: November 2021

In 2016 the Municipality of Lisbon started the renovation of the Botanical Garden of Lisbon, declared in 2010 as a national heritage monument. The botanical garden is both a vital urban open space and a significant cultural landscape of the city. This Botanical Garden is home to an important collection of plants with economic value, reflecting the strong links to the Portuguese expansion and the routes of the navigators that spread them across the various continents. The intervention is expected to provide improvements in the irrigation and water circulation systems, in the rainwater harvesting system, in the reorganization and improvement of garden green spaces, and in the restoration of paths. With the objective of requalifying the space, bringing significant improvements in terms of sustainability of resources, visitors safety, new cultural and recreational opportunity spaces (Ref. 3, 4, 8).

Botanical Garden of Lisbon


Nature-based solution

  • Parks and urban forests
  • Botanical gardens
  • Blue infrastructure
  • Lakes/ponds
  • Green areas for water management
  • Sustainable urban drainage systems

Key challenges

  • Water management (SDG 6)
  • Flood protection
  • Stormwater and rainfall management and storage
  • Green space, habitats and biodiversity (SDG 15)
  • Habitat and biodiversity conservation
  • Green space creation and/or management
  • Economic development and employment (SDG 8)
  • Tourism support
  • Cultural heritage and cultural diversity
  • Preservation of natural heritage


Maintenance and management of urban nature, Knowledge creation and awareness raising

Project objectives

The implementation of the winning project of the Participative Budget 2013 will: Ensure that the Garden fulfils its mission as a Botanical Garden - research, education and ex-situ conservation; Promote the various historical contexts associated with this space, which date back to the 16th century; Restore and / or reconstruct the patrimonial elements devalued due to previous interventions, or existing pathologies; Conserving, recovering and enhancing the current infrastructures; Infrastructure the Garden with new equipment suitable for increasing diversity and intensity of use; Implement a signage system that allows for the clear identification of existing botanical specimens and that provides general information about the JBT and its history. Provide a greater number of experiences and consequently a greater capacity to attract visitors. (8)

Implementation activities

The rehabilitation work of the Botanical Garden is particularly difficult due to the necessary care with the preservation of the vast artistic and biological heritage in presence. For this reason, it was not possible to meet the initial work schedule. The last planning submitted by the contractor points to the conclusion of the work at the end of November 2017, with the exception of the rehabilitation of the lake that continues even during the month of December 2017. In 2019 the bed materials and the waterproofing of the Lake and the other channels and tanks of the JBT were recovered, as well as the repair and reformulation of the water circulation systems, in order to minimize its consumption; there was also a group installation, pumping and filtering for the circulation of water, pumping it to the Tank of the Palácio dos Condes da Calheta. In this way, the water in the remaining lakes, channels and waterfalls circulates only by gravity, minimizing energy consumption. (7, 8)

Biodiversity conservation or restoration-focused activities

Biodiversity conservation:

  • Protect species
  • Undertake specific measures to protect species
  • Take measures for ex situ conservation

Main beneficiaries

  • Local government/Municipality
  • Researchers/University
  • Citizens or community groups
  • Young people and children


Management set-up

  • Co-governance with government and non-government actors

Type of initiating organisation

  • Local government/municipality
  • Citizens or community group

Participatory approaches/ community involvement

  • Crowd-sourcing/Crowd-funding/Participatory bdget

Details on the roles of the organisations involved in the project

This intervention was the result of a process of the participatory budget. The requalification of the Lisbon Botanical Garden was one of the winning projects of the Participatory Budget (OP) of Lisbon 2013, in the category up to 500 thousand euros, being the most voted proposal, with 7,500 of the 35,900 votes received in that year's edition. (ref. 1) The University of Lisbon is responsible for the management of the botanical garden. (ref.2)

Project implemented in response to ...

... an EU policy or strategy? Unknown
... a national policy or strategy? Unknown
... a local policy or strategy? Yes (This intervention was the result of the participatory budget consultation - Orçamento Participativo (OP) de Lisboa 2013, promoted annually by the Lisbon City Council, the winning project was entitled "Botanical Garden of Lisbon: Protecting, Valuing and Promoting" (ref. 2, 3).)


Total cost

€500,000 - €2,000,000

Source(s) of funding

  • Public local authority budget

Type of funding

  • Earmarked public budget

Non-financial contribution


Impacts and Monitoring

Environmental impacts

  • Water management and blue areas
  • Improved water quality
  • Increased protection against flooding
  • Improved stormwater management
  • Green space and habitat
  • Increased green space area
  • Increased number of protection areas

Economic impacts

  • Unknown

Socio-cultural impacts

  • Safety
  • Increased perception of safety
  • Social justice and cohesion
  • Improved access to urban green space
  • Cultural heritage and sense of place
  • Protection of natural heritage
  • Protection of historic and cultural landscape / infrastructure
  • Education
  • Increased support for education and scientific research

Type of reported impacts

Expected impacts, Achieved impacts

Presence of formal monitoring system


Presence of indicators used in reporting

No evidence in public records

Presence of monitoring/ evaluation reports


Availability of a web-based monitoring tool

No evidence in public records


Botanical Garden of Lisbon
Botanical Garden of Lisbon
Botanical Garden of Lisbon