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Join Our Garden Steward Teams

All levels of experience welcome.
Volunteer as much or as little as your schedule allows.

We never run out of projects!

Help with projects in Highland Park.

There are three weekly sessions with opportunities for select individual projects. We equip volunteers with the knowledge you will need to dig and remove invasive plants, “attack” unwanted vines, prune, and deadhead with confidence. We also participate in short-term projects such as fall bulb potting with the Park staff. Please submit the volunteer form (button below) and you’ll receive an email with details.

In 2025, our fabulous Garden Stewards logged approximately 1750 hours from April through early November. Several Cornell Cooperative Extension Master Gardeners accrued their volunteer hours working alongside the HPC Park Teams.

Or, focus your skills on the Warner Castle Gardens.

If you’re interested in more traditional gardening—albeit in an enchanted setting—you can help maintain the mixed borders and DeForest Sunken Garden or help rehabilitate the Rock Garden. We meet once a week at Warner Castle. Submit the volunteer form (button below) and you’ll receive an email with details.

In 2025, our Castle Stewards logged approximately 600 hours from April through early November. The Cornell Cooperative Extension Master Gardeners can also accrue their required hours in the Castle Gardens.


Check out a few of our "MOST WANTED” invasive plants in the Park.

Invasives are aggressive. They crowd out and/or smother desirable plants.

Pale Swallow-wort
(Cynanchum rossicum)

The shallow, dense root systems must be dug out before the seedheads ripen and split.

Mugwort
(Artemisia vulgaris)

This stand of young Mugwort is hosting a crop of Swallow-wort in a layered invasion!

Bindweed 
(Convolvulus arvensis)

A crop of Bindweed buried this small shrub in less than one season.

We also tackle unwanted vines, such as Wild Grape (Vitis spp.) and Porcelain Berry (Ampelopsis brevipedunculata). Birds eat the fruit and disperse the seeds throughout the Park.