Track a Lilac Crash Course - English
Clip: Season 37 Episode 15 | 1m 50s
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.
Aired: 04/29/19Video has closed captioning.
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