Inside The New York Botanical Garden

Horticulture

A Rough Winter for Roses

Posted in Horticulture on May 2 2014, by Stephen Scanniello

Stephen Scanniello is NYBG’s Curator of the Peggy Rockefeller Rose Garden. The author of six books on roses, his latest is A Rose By Any Name. Stephen is the recipient of the Jane Righter Rose Medal from the Garden Club of America. He gardens in Barnegat, NJ.


New breaks on a 'Reve d'Or' rose plant
New breaks on a ‘Reve d’Or’ rose plant

Compost piles filled with blackened rose canes eclipsed the forsythia as the harbinger of this year’s rose season. Gardeners everywhere, dealing with the effects of a long cold winter followed by roller coaster spring temperatures, were left with no alternative but to prune their roses much more severely than they have in recent seasons. The Peggy Rockefeller Rose Garden wasn’t immune to this situation. From modern hybrids to rugged old roses, plants were shortened, some nearly to ground level. Am I worried? No. I look at this as “tough love” for roses.

Experienced gardeners know that this is an opportunity to rejuvenate a rose plant. With sharpened secateurs, and a shot of courage, this seemingly somber situation becomes a chance for you to improve the health of the rose bush. Removing dead wood and weakened canes encourages strong basal growth. By June, this plum-colored growth will produce beautiful roses.

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Daffodil Dreamscape

Posted in Horticulture on April 25 2014, by Kristin Schleiter

Kristin Schleiter is the NYBG’s Associate Vice President of Outdoor Gardens and Senior Curator. She oversees the wonderful gardening team that keeps our flowering gardens looking topnotch, curates the herbaceous gardens and collections, and manages the curator of woody plants. She lives and gardens in Fairfield, CT.


DaffodilsIt’s daffodil time! That dreamy, delicious time of year when even the greyest day is made brilliant by masses of cheerful blooms.

I’m often asked which is my favorite daffodil. It’s like asking me which of my children I love the most! I adore the slightly green, buttery yellow trumpet ‘Pistachio’ who is so handsome next to lavender pansies. But then ‘Surfside’ just blooms so enthusiastically with her swept back white petals and her frilled cup that fades to cream. How could I not pick her? And of course ‘St. Keverne’ is marvelous too. His rich golden yellow blossoms stand tall and strong and he perennializes so fabulously!

If you have a garden, really any kind of a garden except for a very wet site, and you don’t have any daffodils in it, plant some this fall! Simply plant them 3 times as deep as the bulb is tall with the root end down. If you aren’t sure which is the root end, plant them on their side and they will find their way! When choosing a variety, look for those that are described as being good perennializers. Daffodils will perform their best in full sun in well-drained soil, but they are very forgiving. We have swathes of daffodils planted in lawns here which make such marvelous spring scenes, but you have to be sure to leave their foliage up for at least 6 weeks before you mow.

Daffodils at the NYBG

Of course, the very best way to choose what to plant in the fall is to come see them in person this spring. Our grounds are now a living catalog, so come find your favorites!

Marvelous Magnolias

Posted in Horticulture on April 18 2014, by Jaime Morin

Jaime Morin is The New York Botanical Garden’s Assistant Curator in horticulture. She works with the plant records and curation teams to help keep the garden’s information on its living collections up to date. She also oversees the details of the garden’s Living Collections Phenology Project.


Magnolia stellata 'Waterlily'
Magnolia stellata ‘Waterlily’

Late last week I brought a group of new Living Collections Phenology volunteers through the magnolia and oak collections just as the plants began hinting at spring. Of the earliest flowering species, the star magnolias (Magnolia stellata) were beginning to show off their crisp white flowers and the rarer Zen’s magnolia (Magnolia zenii) was in full flower, showing gorgeous pink watercolor streaks at the base of its tepals.

This week the magnolias are really strutting their stuff at The New York Botanical Garden. It is amazing how much things can change over the weekend! By this Monday the many saucer magnolias (Magnolia × soulangeana) in the collection were revealing their newly opened flowers and they continue to get prettier by the day.

Though you can’t go wrong with any of the magnolias here at the Garden, my favorite plant is one of the kobus magnolias (Magnolia kobus). We have a fantastic specimen just north of the Visitor Center that I believe is unparalleled across our 250 acres. This particular plant, accessioned in 1940, is over 35 feet tall and 45 feet wide. Its fragrant white flowers cover its branches like thousands of small white song birds about to take flight.

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‘Pink Peignoir’ Awakens the Azalea Garden

Posted in Horticulture on April 11 2014, by Kristin Schleiter

Kristin Schleiter is the NYBG’s Associate Vice President of Outdoor Gardens and Senior Curator. She oversees the wonderful gardening team that keeps our flowering gardens looking topnotch, curates the herbaceous gardens and collections, and manages the curator of woody plants. She lives and gardens in Fairfield, CT.


Rhododendron mucronulatum 'Pink Peignoir'At very long last, spring has well and truly come to the Azalea Garden. I can tell because the Korean rhododendron, Rhododendron mucronulatum, is decorating the ridge at the top of the garden near the overlook with its delicious candy colors. My favorite is the earliest-to-bloom ‘Pink Peignoir’ in a shade of cotton candy pink that sings against our often drizzly grey skies and is cheerily visible from a long distance.

Korean rhododendron make marvelous garden plants. They prefer an acid soil (which is what most soil in the tri-state area is naturally) and at least a half a day of good light. They are hardy down to a chilly zone 4. They are deciduous and lose their leaves with a late and lasting foliage show of simmering orange, gold, and scarlet.

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Persian Parrotia: A Century of Interest

Posted in Horticulture on April 4 2014, by Jon Peter

Jon L. Peter is the NYBG’s Plant Records Manager. He is responsible for the curation of The Lionel Goldfrank III Computerized Catalog of the Living Collections. He manages nomenclature standards and the plant labels for all exhibitions, gardens, and collections, while coordinating with staff, scientists, students and the public on all garden related plant information.


Persian parrotia
The Persian parrotia specimen located near the Benenson Ornamental Conifers

I feel very fortunate that I get to enjoy one of my favorite trees in the garden on a daily basis. I actually park my car partially underneath its canopy flanking the Benenson Ornamental Conifers parking lot. With such frequent viewing, I get to enjoy the progress this plant makes throughout the year.

Parrotia persica, commonly known as Persian parrotia or Persian ironwood (in reference to its very dense wood) is an excellent medium-sized tree that is interesting in all four seasons. It features similar leaves, twigs, flowers, and fruits to its close relative the witch-hazel (Hamamelis), but is far less common in cultivation.

Parrotia is named in honor of F.W. Parrot, a German naturalist who traveled in the Caucasus region in the early 1830s. The specific epithet persica derives from the tree’s native habitat of the northern Alborz Mountains of Iran and Azerbaijan (formerly Persia).

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An Unsung Harbinger of Spring

Posted in Horticulture on March 28 2014, by Todd Forrest

Todd Forrest is the NYBG’s Arthur Ross Vice President for Horticulture and Living Collections. He leads all horticulture programs and activities across the Garden’s 250-acre National Historic Landmark landscape, including 50 gardens and plant collections outside and under glass, the old-growth Thain Family Forest, and living exhibitions in the Enid A. Haupt Conservatory.


Acer rubrumFor most people who anxiously await the end of winter, spring begins when the first brassy bulbs emerge from just-thawed soil. Not for me. While I am as enthusiastic about the appearance of snowdrops, crocuses, reticulate irises, and glories-of-the-snow as your average winter-weary garden watcher, what really warms my heart are early spring flowers that don’t make the evening news—those of our native red maples (Acer rubrum).

As March transmogrifies from lion into lamb, I look skyward hoping to catch a glimpse of the flowers of red maple as they peek out of disintegrating winter buds. At a distance, a red maple tree in full bloom is a tangle of gray limbs enveloped in a carmine haze. The individual flowers are quite small, but a mature tree can produce hundreds of thousands of five-flowered clusters, which together create the most ethereal of all spring spectacles.

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Under the Blooms of the Traveler’s Palm

Posted in Horticulture on March 21 2014, by Francisca Coelho

Francisca Coelho is the NYBG’s Vice President for Glasshouses and Exhibitions. She designs and installs the major flower exhibitions in the Conservatory with a creative, hardworking team of managers and gardeners who also produce the plants for display and maintain the invaluable collections of tropical, sub-tropical and desert plants.


Traveler's palmEach morning, I am greeted by the majestic presence of the traveler’s palm (Ravenala madagascariensis) in the Palm Dome of the Enid A. Haupt Conservatory. I planted it myself back in 1996, when the stem was just five feet tall, and I have been watching it mature into this fine specimen ever since—growing taller and stronger daily for the past 18 years. It seems to me that its main goal is to see how quickly its 10-foot-long leaves can touch the glass of the lower dome 60 feet above.

Despite its name, the traveler’s palm is not a palm at all, but instead closely related to the bird of paradise and the banana. Its native home is in the forests of Madagascar, but it can now be found growing in gardens all over the Tropics. It takes the form of an enormous green fan on a tall, robust, grey stem, with its north- and south-pointing leaves providing a makeshift compass for weary travelers. In desperate situations, it also provides much-needed water—not always palatable—that collects in the stem sheaths for those thirsty souls who might happen upon it.

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Snowdrops Sing of Spring

Posted in Horticulture on March 14 2014, by Kristin Schleiter

Kristin Schleiter is the NYBG’s Associate Vice President of Outdoor Gardens and Senior Curator. She oversees the wonderful gardening team that keeps our flowering gardens looking topnotch, curates the herbaceous gardens and collections, and manages the curator of woody plants. She lives and gardens in Fairfield, CT.


Galanthus elwesii

Every February, I can be found on my knees in the Garden poking and prodding and looking for signs that my beloved snowdrops are coming up to signal the beginning of spring. Pushing aside the snow, I see small green noses forcing their way up for a whiff of warm air. Even a single sunny day can bring forth elegant white blossoms which have a lovely honey scent. The spring’s earliest snowdrops, Galanthus elwesii, are blooming now in the Perennial and Azalea Gardens. Their glaucous blue foliage and large flowers create a much nicer drift of white.

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