![Nature](https://image.pbs.org/contentchannels/sgZceVW-white-logo-41-ZMqyFVU.png?format=webp&resize=200x)
Track a Lilac Crash Course - English
Clip: Season 37 Episode 15 | 1m 50sVideo has Closed Captions
Track a Lilac near you and report whether you see leaves or flowers growing on the plant.
Track a Lilac invites you to find a nearby lilac and report whether they see leaves or flowers on their plant. The data contributes to a national database that will be used by researchers to better understand the timing of lilac leafing and blooming across the country.
Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Charles Rosenblum, Kathy Chiao and...
![Nature](https://image.pbs.org/contentchannels/sgZceVW-white-logo-41-ZMqyFVU.png?format=webp&resize=200x)
Track a Lilac Crash Course - English
Clip: Season 37 Episode 15 | 1m 50sVideo has Closed Captions
Track a Lilac invites you to find a nearby lilac and report whether they see leaves or flowers on their plant. The data contributes to a national database that will be used by researchers to better understand the timing of lilac leafing and blooming across the country.
How to Watch Nature
Nature is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Buy Now
![Explore More Ways to Watch](https://image.pbs.org/curate-console/38f9de26-4a64-4636-b6c2-004d49264e17.jpg?format=webp&resize=860x)
Explore More Ways to Watch
Bring the beauty and wonders of wildlife and natural history into your home with classic NATURE episodes.Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipCitizen Science Story: The Great Sunflower Project
Video has Closed Captions
See how this group of 4th graders became citizen scientists. (1m 45s)
American Spring LIVE ~ Episode 3: Connections Preview
Video has Closed Captions
See first-hand how the changing climate affects crucial connections in nature. (35s)
Citizen Science Story: Track a Lilac
Video has Closed Captions
See how monitoring lilac blooms indicates the start of spring. (1m 24s)
The Great Sunflower Project - English
Video has Closed Captions
This project gathers information about our urban, suburban and rural bee populations. (1m 19s)
The Great Sunflower Project - Spanish
Video has Closed Captions
Observa a los polinizadores en girasoles o en cualquier otra planta con flores. (1m 19s)
Mom Saves Pups on Wolf Trail Cam
Video has Closed Captions
A trail cam captures a mother wolf taking her pups out of their den. (1m 37s)
Track a Lilac Crash Course - Spanish
Video has Closed Captions
Track a Lilac es un proyecto de ciencia ciudadana. (1m 50s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipMajor support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Charles Rosenblum, Kathy Chiao and...