Department of Environmental Conservation

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New York State's many habitats, both on land and water, shelter rich and diverse plant life.

On this page you will find links to information on aquatic plant management, protected native plants of New York State, endangered plant species, and DEC's Saratoga Tree Nursery, which makes seedling plants available to help citizens maintain the state's diverse plant populations.

Watch a clip about the Saratoga Tree Nursery and check out other clips on DEC's YouTube Channel.

More about Plants:

  • Harmful Plants - List of harmful plants to avoid
  • New York State Tree Nursery - What can the State Tree Nursery offer you? - spring seedling sales, detailed descriptions of species available, how to plant and care for trees and innovative conservation efforts currently underway.
  • American Ginseng - Regulations and conservation practices for American ginseng in New York State.
  • State Protected Plants - The Protected Native plants program was created in 1989 with the adoption of the protected native plants regulation to conserve our State's native biodiversity.
  • Big Tree Register - Maintained by the Department of Environmental Conservation (DEC) as an effort to recognize trees of record size and promote an interest in their care and preservation.
  • Didymo (Rock Snot) - Didymo is a non-native invasive microscopic algae (diatom) that can produce large amounts of stalk material to form thick brown mats on stream bottoms. It can have adverse impacts on fish populations. Didymo is primarilly spread by anglers and other water based recreationalists.
  • Giant Hogweed - This plant is a federally listed noxious and invasive weed that can cause severe skin and eye irritation, painful blistering, permanent scarring and blindness.
  • Hydrilla - Invasive aquatic plant that takes over water bodies.
  • Slender False Brome - Brachypodium is a terrestrial invasive grass that poses a threat to the biodiversity of New York's meadows, forests, and riparian areas. Learn how to identify this lesser known invasive species and how you can help prevent its spread.
  • Starry Stonewort - Starry stonewort is an aquatic invasive algae first discovered in the St. Lawrence Seaway in 1978. Since that time it has spread to inland lakes in New York State. Up-to-date information about its current location, how to identify and report it, its potential impacts, and methods for control are discussed.
  • Water Chestnut - Water chestnut was first introduced to New York in the mid-1800's. Since then it has spread to most counties in New York. The majority of infestations reported are in or near the Hudson River. Information about how to identify and report it, prevention methods, and control are provided.
  • Wild Parsnip - General information on wild parsnip