The Holy Grail of Big-Leaved Perennials

There have only ever been two plants that I had my photo taken with during my years of being obsessed with plants. The first was a Stewartia pseudocamellia in the fall of 1994 at Longwood Gardens. This was by accident as I was taking a picture of a gorgeous tree with its exfoliating bark and red fall color when a bystander insisted that I get my photograph taken with the tree. This was in the days of film cameras so somewhere in a shoebox is a picture of me in front of that Stewartia.

Rodney with Gunnera 2

The second plant I have actually had my picture taken in front of twice. In 2008, I was on a trip to England when our group visited the fantastic gardens at Great Dixter. Near the back of the gardens, past the nursery and beside of the rill was a gigantic Gunnera. You know Gunnera, right? That big leaved plant that seems to thrive in most parts of the world except for the east coast of the United States. There it was, the same plant that I had seen in so many different magazines and books. It always seems that someone is always standing in front of the leaves for a size comparison in the pictures. The leaves had to be at least 5 feet across and the entire clump was about 8 feet tall and 12 feet across. I instinctively asked one of my travel companions to take my picture in front of the plant. That, I thought, would be my first and last live encounter with the plant.

Lo and behold, the following year I had the good fortune to travel to France and see many gardens in and around Paris. One garden we visited was off the beaten path in Normandy. I was not expecting a lot as it was a municipal site but once we got in, it blew me away. Around one corner, there was the largest Gunnera that I had ever seen in my life. This plant was easily 12 feet tall and 15 feet across. The leaves were enormous. Since none of my friends were nearby, I ran around until I found one and asked that they take my picture in front of the plant.

Gunnera

Both of these plants were Gunnera manicata, which is native to southern Brazil. Gunnera tinctoria is another notable species which is native to southern Chile. I would think that G. tinctoria would be hardier and might survive our winters a bit better than G. manicata. We were growing G. manicata in our USDA zone 6a gardens at Coastal Maine for a couple of years until a really cold winter finally did it in. We supposedly have a much hardier strain which we planted in the gardens this summer. I hope that the plant has had enough time to root in and become somewhat established before the onset of winter. I am also on the hunt for some superb forms of G. tinctoria to try. I just read that it has escaped cultivation in Ireland and New Zealand to the point of becoming a noxious weed in some areas. Once we do find seed or plants of Gunnera tinctoria, it will be grown in an area where we can keep a close eye on its behavior. Being able to find a Gunnera that will not only grow but thrive in our Maine climate has become somewhat of a quest for the Holy Grail. I have heard that a hardy form exists and we are on a lifelong search to prove that it exists.

Have you ever grown any of the Gunnera species? If so, which one and how did it perform for you?

Rodney

Images: Rodney Eason, Plantilus

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rodney eason

Rodney Eason - Director of Horticulture and Plant Curator at Coastal Maine Botanical Gardens, father of 4, husband to a Renaissance woman. I spent the first part of my life in North Carolina, the middle in Pennsylvania, and now I am determined to become a Mainer  while keeping my southern drawl. I consider the rhetorical question, "you're not from around here, are you?" a compliment. I love great gardens, beautiful plants, and inspiring architecture. Because of this, I am on a lifelong quest to find a garden that artistically combines beautiful plants while being centered around an evocative building. For me, this would be Beatrix Farrand's Dumbarton Oaks, with the plants of Lotusland and Chanticleer, around Fay Jones' Thorncrown Chapel. My wife and I are now making our new home and garden in a 130 year old New England house with a farmer's porch near the Damariscotta River in coastal Maine. When our kids get into college, we want to hike the Appalachian Trail as a family over a summer break. My likes (in random order): the smell of fresh basil and rosemary, bold foliage, India Pale Ale, good running shoes, Top Gear, the smell of New England in the fall (it reminds me a bit of English Leather, which my grandfather wore), and the sound of our family laughing together around the dinner table. I dream of one day owning an old Toyota 4X4 pick-up and seeing the Avett Brothers in concert.
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1 Comment

  1. hb on October 22, 2014 at 11:01 am

    Here in semi-arid Southern California we gardeners suffer from Gunnera-envy. Nature provides us with compensation if we search out Bismarkia noblis, vastly different of course, but like Gunnera providing leaves the size of a kitchen table. There is some comfort in that.

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