Saturday, July 23, 2022

GardenDC Podcast Episode 112: Summer Garden Refresh

In this episode, we talk with Martha Pindale about refreshing your mid-summer garden. She is a horticulturist, instructor, and Executive Director of the American Landscape Institute ( The plant profile is on Blazing Star and we share what's going on in the garden as well as some upcoming local gardening events.

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SHOW NOTES: 1:20 Meet Martha Pindale, horticulturist, instructor, and Executive Director of the American Landscape Institute! 3:25 Martha’s family has a long and historic connection to the horticultural industry 4:40 Many great plant introductions came from Bluemount Nursery in Monkton, MD, owned by Martha’s family 6:33 Martha was approached about the ALI scholarship program in 2017 and still works there! 7:45 Learn all about this unique scholarship program 9:47 Funding from the scholarship comes from employers 10:34 Graduating debt free with 39 college credits! 13:10 “Deadheading” is key for keeping flowers blooming 14:04 Dead flowers aren’t always dead! They’re often busy prepping seeds 16:00 The deadheaded flowers can either just fall to the ground or be composted 17:17 Cutting flowers = more flowers 18:24 Martha recommends Monty's fertilizers (* 19:32 Pollinators benefit from deadheading 21:50 Thunderstorms don’t provide enough water for the garden 23:56 Potted plants can still be dry even after a storm 24:30 Cutting perennials and annuals back hard 25:03 Make sure your friends who are watering in your absence know how to do it properly! 28:38 Floppy plants…staking! 29:58 Bamboo stakes and twine works great 30:59 Peony rings can be used for other perennials 31:55 Election signs can be upcycled to be used as stakes 33:26 Rabbits are menaces to twine! 35:35 Make a list of plants you notice flowering so you’re ready for fall shopping 37:01 Tough love works on plants too 37:48 Mulch immediately after weeding to fight against increased weed seed germination 40:20 Precautions for gardening in intense heat 43:25 Fighting mosquitoes, ticks, etc., with repellants 44:45 Rewarding your garden 44:49 Get in contact with Martha via email and take classes through CCBC! 46:22 Learn all about Blazing Star in this week’s plant profile! 48:10 New in the garden: hot weather with little rain, zinnias finally blooming, moving self-sowing plants back to the bed, and hydrangeas in the home garden 49:18 July 2022 issue of Washington Gardener Magazine has been sent out! 50:08 Local gardening events: Garlic Festival at Takoma Park Farmers Market, Kenilworth Annual Lotus and Waterlily Festival, Sunflower Festival in Woodbine, MD, Garden Book Club Summer Edition, and the upcoming garden photo show opening

If you liked this episode, you may also enjoy listening to:
GardenDC Podcast Episode 73: A Late Summer Pep Talk with Erica Smith

This episode is archived online at: 

*Amazon affiliate link

We welcome your questions and comments! You can leave a voice mail message for us at: Note that we may use these messages on a future episode.

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Episode Credits:
Host and Producer: Kathy Jentz
Editing and Show Notes: Tori Vandergriff


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