We are very pleased to contribute you a limited installment ofLet ’s Argue About Plantstoday , featuring an interview with Douglas Tallamy , PhD , prof of entomology and wildlife bionomics at the University of Delaware . Several months ago , Christine Alexander , digital content editor program for FineGardening.com , sat down with the famed prof to discuss how plants can salve our planet . Tallamy has spent his life story ’s study search the impact of nonnative works species on the environment , with his fieldwork playing a critical function in solve the secret of the plummetinginsect and bird populationsseen over the past 50 days . Despite the seemingly prominent - than - life problems we face , Tallamy insists there are way average gardener can help pull through our ecosystems . He addresses some of the questions nurseryman are involve : Should I be plantingonlynative industrial plant ? What are keystone coinage , and why should I fill my landscape with them ? Tallamy ’s message is sometimes be amiss , specially when it comes to a gardener ’s role in the clime crisis . We hope this interview sheds some light and Leslie Townes Hope on steps we can all take to help nature . As Tallamy say , “ We ’re its last Bob Hope . ”
This interview was edited for duration and clearness . For further reading , check out Douglas Tallamy ’s most recent books , The Nature of Oaks(2021 ) andNature ’s Best Hope(2020 ) .
Do n’t have time to listen to the whole podcast ? Check out the edition of this audience that appeared inFine Gardening#208 .

Why Native Plants Are Key to Saving Our Ecosystems
Christine Alexander , digital cognitive content editor . Photo : courtesy of Christine Alexander
Douglas Tallamy , PhD.Photo : Rob Cardillo ; courtesy of Doug Tallamy
Keystone Plants
1 . Goldenrod(Solidagospp . , Zones 3–9 )
2 . Aster(Asterspp . ,Eurybiaspp . ,Symphyotrichumspp . , Zones 4–9 )
3 . Sunflower(Helianthusspp . , Zones 3–9 )

4 . Oak(Quercusspp . , Zones 2–9 )
5 . Cherry(Prunusspp . , Zones 3–8 )
6 . Birch(Betulaspp . , Zones 3–9 )

7 . Cottonwood(Populusspp . , Zones 2–9 )
8 . Elm(Ulmus americana , Zones 3–9 )
9 . Willow(Salixspp . , Zones 4–10 )

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Christine Alexander, digital content editor.Photo: courtesy of Christine Alexander
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Christine Alexander, digital content editor.Photo: courtesy of Christine Alexander
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Christine Alexander, digital content editor.Photo: courtesy of Christine Alexander

Douglas Tallamy, PhD.Photo: Rob Cardillo; courtesy of Doug Tallamy

Goldenrod.Photo: Danielle Sherry

Aster.Photo: Danielle Sherry

Sunflower.Photo: Jennifer Benner

Birch.Photo: Danielle Sherry

Cottonwood.Photo: Danielle Sherry


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