Saturday, June 27, 2026

GardenDC Podcast Episode 292: Hydrangea Tips and Tricks

In this episode of GardenDC: The Podcast about Mid-Atlantic Gardening, we talk with garden writer, speaker, and radio host C. L. Fornari* about Hydrangea Tips and Tricks. The plant profile is on Cornflower and we share what's going on in the garden as well as some upcoming local gardening events in the What's New segment. We close out with the Last Word on "Benjy and the Bees" from Christy Page of GreenPrints.

*You can order C. L. Fornari's book Hydrangea Happiness at https://amzn.to/4f9rJKr
This link is to our Amazon affiliate account and we may earn a few pennies from these sales, 
but it wil not impact your purchase price.

BTW, YOU can become a listener supporter for as little as $0.99 per month! 

See how at: https://creators.spotify.com/pod/show/gardendc/subscribe

SHOW NOTES:

01:17 Welcome C. L. Fornari, author of “Hydrangea Happiness” (and 8 other books!)

01:47 How C. L. became interested in plants as a child

03:57 C. L. shares her experience as a visual artist before she became a garden writer

04:36 C. L.’s gardening photography and interviewing gardeners after moving to Cape Cod

05:25 The moment C. L. found her first book-publishing opportunity

6:37 C. L.’s radio show “The Garden Lady”

7:06 What plant hardiness zone is Cape Cod in reality?

7:59 C. L.’s favorite plants

8:55 Visiting the annual Cape Cod Hydrangea Festival in July

10:07 Planning your Cape Cod Hydrangea experience

11:29 Why do hydrangeas wilt easily, and how can you prevent wilting?

14:30 How to predict the sizes of hydrangeas and other plants (given inaccurate plant tags)

16:52 Are hydrangeas salt-resistant?

17:17 Climatic factors in hydrangea growth

17:54 Hydrangeas’ vulnerability to herbicide damage

18:47 What can you do to revive hydrangeas that have been damaged by herbicide?

19:35 What are the main pests of hydrangeas?

21:21 Theories as to why deer eat hydrangeas while other animals do not

22:19 How do you repel deer without damaging hydrangeas?

23:34 Common diseases of hydrangeas

25:34 C. L.’s favorite bigleaf hydrangea varieties

27:48 What to know about hydrangea varieties sold in box stores and supermarkets

29:24 Book “Groundcover Revolution” by Kathy Jentz

31:27 Smooth hydrangea varieties

33:40 Which hydrangea varieties have a (mild) fragrance?

34:36 Are breeders looking to develop more fragrant hydrangea varieties?

35:28 Ethical considerations and legal restrictions of hydrangea propagation

38:39 What is the ideal timing for cutting hydrangea blooms?

42:14 Influence of soil acidity and plant maturity on color in certain hydrangea varieties

43:21 Myth #1: Adding coffee grounds to hydrangea soil

45:00 Myth #2: Adding banana water to hydrangea soil

46:52 Myth #3: Adding epsom salt and rusty nails to hydrangea soil

48:53 What can you use to make your soil more acidic?

50:19 Get in touch with C. L. and learn more at her website: https://gardenlady.com/ 

50:53 C.L.’s favorite hydrangeas

52:49 Book “The Urban Garden” by Kathy Jentz and Teri Speight

54:19 Plant profile: Cornflower (Centaurea cyana)

55:44 What’s new in the garden this week? Blooms, tomatoes, cilantro and coriander

56:08 Garden tips: Early summer garden chores

56:27 Local gardening events

56:30 "Beatrix Farrand’s Legacy” on July 11 in Alexandria

57:05 Register for event at fairfaxcounty.gov/parks/parktakes

57:14 “Edible Flowers for Flavor and Health” on July 22 in Wheaton, Maryland

57:54 Register for event at montgomeryparks.org 

58:02 “Waiting to be Discovered” exhibit through Sept 7 at National Bonsai & Penjing Museum

58:18 Learn more at usna.usda.gov 

58:34 Christy Page reads “Benjy and the Bees” by Fiona M. Jones

If you liked this episode, you may also enjoy listening to:

~ GardenDC Podcast Episode 279: How and When to Prune Hydrangeas

https://washingtongardener.blogspot.com/2026/03/gardendc-podcast-episode-279-how-and.html

~ GardenDC Podcast Episode 142: Hydrangea Care and Pruning

https://washingtongardener.blogspot.com/2023/03/gardendc-podcast-episode-142-hydrangea.html

~ GardenDC Podcast Episode 60: Hydrangea Varieties with Andrew Bunting

https://washingtongardener.blogspot.com/2021/05/gardendc-podcast-episode-60-hydrangeas.html

This episode is archived at: https://open.spotify.com/episode/41ItA0vT18kl4oQhdIRFuC?si=xjuJc6x5RqmguQQI1wgTLw
 

We welcome your questions and comments! You can leave a voice mail message for us at: https://podcasters.spotify.com/pod/show/gardendc/message Note that we may use these messages on a future episode.

And be sure to leave us a 5-star review on your favorite podcast platform plus share us on social media with #GardenDC, so other gardeners can find us too!

Episode Credits:
Host and Producer: Kathy Jentz
Show Notes: Maya Hand
Music: Let the Sunshine by James Mulvany

PIN THIS FOR LATER!
*You can order C. L. Fornari's book Hydrangea Happiness at https://amzn.to/4f9rJKr
This link is to our Amazon affiliate account and we may earn a few pennies from these sales, 
but it wil not impact your purchase price.

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