St. Williams Nursery & Ecology Centre | Conserving biodiversity

We share seasonal availability updates when new plants + seeds are ready.
You can contact us to pre-order for future seasons or check back soon. Sign up to our mailing list for more product updates.

Restoring Ontario's landscapes with source-identified native plants

We constantly strive to collect, grow, and supply a diverse range of quality Ontario native plants to support ecological restoration and biodiversity conservation

What is biodiversity conservation?

It's our reason for being: At St. Williams Nursery & Ecology Centre, we help to protect the natural genetic diversity of local plant species populations to benefit the environment and everyone living in it.

Why St. Williams?

As a dedicated conservation nursery and ecological restoration provider, we take a scientific approach by bringing together a team of leading environmental scientists and practitioners, nursery growers, foresters, and technical experts to support and supply your projects & initiatives.

Read about us

Our wholesale nursery products

We seasonally harvest seed and grow a range of Ontario native trees and plants to have ready for the Spring and Fall planting seasons. Sign up for our mailing list below for availability updates coming soon.

Herbaceous plants

We can supply a diversity of grasses, sedges, rushes, and broad-leaf forbs, including native wildflowers that will attract local pollinators.

Woody plants

We offer a range of woody species that include evergreen and deciduous trees, shrubs, and vines. We can also supply cuttings and live stakes on request.

Native seed mixes

We mix seed to suit a variety of landscapes and project site goals and conditions. We can provide our seed in bulk or ask us about our seed packets.

Our project services

Our team is experienced in providing a breadth of wholesale conservation nursery and professional ecological restoration services for other organizations. We often form partnerships to help collect seed and grow plants to further restore and conserve natural biodiversity.

Ecological conservation & restoration projects

We offer consulting project services from initial planning and design to implementation - including site evaluations, site preparation, invasive species control, seeding & planting - as well as follow-up monitoring and maintenance.

Wholesale supply of Ontario native plant materials

We produce plants in a wide variety of formats, sizes, and species through our wholesale nursery. To ensure availability, it's best to contact us early on in your project planning. We often grow stock on contract 1-2 years before the planting begins!

Ontario native seed collection

Our botanists monitor, harvest, clean, and store our seed collections sustainably and ethically from healthy wild plant populations. We can also assist you with seed collecting on a contract basis to support projects locally.

Examples of our past work

Over the past 10+ years, we've been fortunate to take part in many exciting project & more opportunities with our clients and partners:

1) Habitat restoration for National and Provincial Parks such as Point Pelee National Park, Bruce Peninsula National Park, Rouge Park, and more

2) Support for local Ontario Conservation Authorities with plant materials and services, including: invasive management, site preparation, seeding and planting grasslands, meadows, wetland, and forested habitats

3) Supply of source-identified native plants to cities and municipalities across Ontario, including Toronto, London, Mississauga, Sudbury, & Ottawa

Let's work together

We're always exploring new ways to support biodiversity conservation and ecological restoration intiatives in Ontario through projects and partnerships.

Connect with us