Welcome to our News from On Walnut Hill

Welcome to the blog by Penney and Kathy. On it we will write about events around the book and in the Hubbard garden. We’ll pass on some advice and share stories of interesting gardens and garden people as well as the good, bad and ugly in the plant world.

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Tour Givers’ Holiday

We hosted our last spring garden tour this week. After a full schedule of tours on Walnut Hill, we took one ourselves. Kathy leads bus trips to private gardens twice a year for the Kaleidoscope program of Roland Park Country School. A recent one included two Baltimore County gardens Penney had never seen, and one […]


Glenn Dale Azaleas

We’ve had another full spring season of garden tours. Every group brings enthusiastic gardeners and plant nuts like us. A bonus for us is learning something new each time. Recently, with the Roslyn Garden Club came the esteemed Alan Summers. Summers is the former owner of the still-missed Carroll Gardens in Westminster, MD and longtime […]

 On Walnut Hill

Our Intuitive Davidia

As if it knew that the annual meeting of the Garden Club of America were beginning in Baltimore this week, the Davidia involucrata (dove tree or handkerchief tree) has bloomed for the second time since it was planted. Welcome, GCA! We look forward to seeing about 30 delegates in our garden the day before meetings […]

 On Walnut Hill

Emerging Spring

After some false starts – high 70-degree days followed by snow and freezing temperatures – spring seems to have arrived for good. We’re still riding a weather roller coaster, but no frost is in the forecast. An 80-degree Saturday has brought more color to the brown landscape. All over town pink tulle skirts on Yoshino […]


Fruitful Florida

Photo credit: Mary K. Shaughnessy Our trip to the Sunshine State exceeded our expectations. Southern hospitality reigned from Wellington to Delray. We encountered no rain or humidity, just breezy, warm weather. Our second spring book tour built on the momentum of last year’s trip to Charleston, and a year of more talks and tours of […]


Yellow Signals Spring

It’s only the first of March, but spring has arrived on Walnut Hill. After 70-plus degree temperatures in February and a fast sequence of opening Galanthus and Helleborus, more blooms opened this week. We now have color front to back. The Edgworthia chrysantha by the kitchen window dangles satiny, white lanterns with blue Vinca minor […]


White Flower Farm

Reading White Flower Farm’s catalog and seeing their small boxes on our doorstep are part of the history of Walnut Hill. Amos Pettingill, the pen name used by founding owners, William Harris and Jane Grant, and now by Eliot Wadsworth II who bought the farm from Harris and Grant in 1976, has delighted us for […]


Party Girl Hibiscus

Party Girl Hibiscus The Hibiscus ‘Anne Arundel’ is blooming here on Walnut Hill.  It’s a knockout (no pun intended) on the sunny hillside that also features Knock Out® roses, Perovskia atriplicifolia (Russian sage), and Lagerstroemia ‘Natchez’ (Natchez crape myrtle) right now. Perennial hibiscus (or rose mallow) is a conversation starter, because of its eye-catching, huge […]

Remembering The Lily Lady

Yearly summer trips to New Hampshire and a woman the Hubbards called “The Lily Lady” resulted in vast collections of Hemerocallis. Today, more than 40 years later, some still bloom. That’s the thing about daylilies: they’re hardy. They come in a wide variety of colors. They’re not too picky about the type of soil for […]


Liquid Gold

Most days this May in Maryland have included rain. Some days have had rain on and off throughout the day and night. Others have had only occasional showers. For many days temperatures have been in the fifties. While rain seems gloomy to some, the gardens are enjoying it. They are lush, with emerald grass and […]

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