Inside The New York Botanical Garden

Sonia Uyterhoeven

Spring into the Azalea Garden

Posted in Gardening Tips on April 17 2013, by Sonia Uyterhoeven

_IVO3297Last week I announced that spring is here and the weather promptly rose into the 70s for three days. I watched everything unfurl, some early bloomers senesced, and then we had a welcome day of rain which supplied good moisture to get even more things jumping.

We are heading into the season where the Garden changes dramatically every week. This morning I walked out to the Azalea Garden and admired the early season blooms in their full glory. The Korean rhododendron Rhododendron mucronulatum, ‘Cornell Pink’ is smothered with flowers. You can find it planted in a pleasant band that runs through the Azalea Garden and lights the hillside up with girly pink flowers.

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Spring is Finally Here!

Posted in Around the Garden on April 9 2013, by Sonia Uyterhoeven

Sonia Uyterhoeven is the NYBG‘s Gardener for Public Education.


'Barmstedt'
Hamamelis x intermedia ‘Barmstedt Gold’

It’s come in fits and starts this year. Snow falls one day, only to vanish in an instant through heat or a heavy rain. With all the yo-yoing we have experienced this winter, oscillating from warm to cold, the fluctuating temperatures have sent me and many of my colleagues home with lingering ailments as our bodies try to figure out what’s going on.

While walking through the Garden in these early days of spring, I notice that Mother Nature is equally confused. The persistent cold has slowed down the cycle of spring, leaving us somewhere between one and two weeks behind schedule in terms of spring bloom. Once the warm temperatures arrive in earnest, things will accelerate. What this means for now is that some of the early signs of spring–the ones that we usually like to see from our living room windows–are out and worth perusing.

The Cornelian cherries (Cornus mas) started flowering around the very end of March this year, whereas they usually bloom sometime in the middle of the month. As one of the many cheerful harbingers of spring, they’re a welcome sight; the 15-foot, multi-stemmed branching shrub is smothered with tiny umbels bursting with golden yellow, star-shaped flowers.

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Winner Of the Fragrant Orchid Award: Zygopetalum

Posted in Gardening Tips on April 2 2013, by Sonia Uyterhoeven

8506550893_bfaff73c96_cWith spring finally here and the seasonal explosion of flowers everywhere, it’s time to yearn for fragrance. While we wait for the flowers to bloom outside, a trip to The Orchid Show should dazzle your senses. But soon the heydays of spring will be upon us, and two of my favorite fragrant outdoor plants will be filling the air with old-fashioned perfume; lilac and hyacinth.

Inside during The Orchid Show, one of my favorite orchids is Zygopetalum. This orchid doesn’t sport a common name so the only thing you will be able to do short of remembering its botanical name is to refer to it as a ‘zygo’. Everyone in the orchid world will know what you are talking about. ‘Zygo’s’ flower in winter and early spring so they add a delicious perfume to your home while there is still snow on the ground.

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The Magnetic Appeal of Pansy Orchids

Posted in Gardening Tips on March 26 2013, by Sonia Uyterhoeven

MiltoniopsisThere are a number of orchids that seem to draw the crowds at The Orchid Show better than others: The pansy orchid (Miltonia) is one of them. This cheery flower–as the name suggests–has a broad open bloom that looks like a cross between a pansy and a butterfly, often bearing the etchings of a face or waterfall markings that cascade down its lip (Labellum).

Miltonias are actually two genera: Miltonia and Miltoniopsis. Don’t worry, I am not going to digress into a technical discussion; rather, I am raising the distinction so you understand that they can flourish in your home with the proper care. Miltonia and Miltoniopsis were once clumped together–now they are separated–but people still refer to all of them as Miltonia. In this day and age there are so many hybrids out there that, unless you are specifically searching for a species, you probably have a little bit of both in your orchid.

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Orchid Trivia from Around the World

Posted in The Orchid Show on March 19 2013, by Sonia Uyterhoeven

Sonia Uyterhoeven is the NYBG‘s Gardener for Public Education.


The Orchid ShowA few weeks ago I put together some orchid trivia for one of my colleagues, and I thought I would share some of the interesting tidbits with you. As part of the entertainment for The Orchid Show this year, we are featuring “Music from the World of Orchids.” Each weekend throughout the run of the exhibition an eclectic array of musicians will perform popular tunes from countries that are known for their beautiful orchids. The line-up includes musicians from Brazil, Peru, Cuba, Mexico, India, Cameroon, Portugal, and the United States, giving visitors a rich and varied sensory experience.

Picking up a little knowledge beforehand can make your visit to the Orchid Show even more enriching than it already is, though we’ll certainly have plenty of experts on hand to answer any of your questions while you’re here. For now, here are some fun pieces of orchid trivia for you to ruminate over while you listen to exotic melodies!

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Colors of the Conservatory

Posted in Around the Garden on March 12 2013, by Sonia Uyterhoeven

The Jade Vine
Jade Vine (Strongylodon macrobotrys)

I recently spent an early morning walking around the Enid A. Haupt Conservatory, soaking in the tropical colors and exotic flavor in the display houses before the crowds came in for The Orchid Show.

One of my favorite late February, early March features in the Conservatory is the electric blue-green of the blooming jade vine (Strongylodon macrobotrys). The jade vine is indigenous to the Philippines, where its tendrils scramble up tropical rain forest trees in an effort to seek out sunlight. The beak-like flowers dangle from a long raceme that can extend for several feet (the flower inflorescences can reach up to nine feet in the wild). The mint-green color of the flowers is almost eerie, and something that needs to be seen in person to fully experience. These flowers are pollinated by bats in their natural habitat, and produce large, melon-like fruit.

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Storm Clean-Up 101: Task Lists for Homeowners Continued

Posted in Gardening Tips on March 5 2013, by Sonia Uyterhoeven

Sonia Uyterhoeven is the NYBG‘s Gardener for Public Education.


Over the past few weeks, we have discussed how to manage storm clean-up after large coastal storms such as Hurricane Sandy, tackling soil testing and how to approach clean-up in creative ways. This week, I’m giving you a practical to-do list to help you get started at home, whether you’re preparing for the next big storm or recovering from the last.

The Home Gardening Center

What are some of the things that you can do to get your garden back on track?


Compare skips, hire one and clean up obvious debris for them skip hire to haul away for you.

— Watch water levels as they drain to understand the topography of your garden.

— If your property is flooded with salt water, the easiest way to get rid of excess salt is to leach it away–soak your yard with 2-4 inches of water.

— Salt does less damage when the soil is already damp, so remember to water your garden when coastal storms are predicted (unless that has been recent rainfall). One inch is sufficient.

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Storm Clean-Up 101: Task Lists for Homeowners

Posted in Gardening Tips on February 26 2013, by Sonia Uyterhoeven

Sonia Uyterhoeven is the NYBG’s Gardener for Public Education.


Swiss chard, a relatively salt-tolerant vegetable
Swiss chard, a relatively salt-tolerant vegetable

In January of last year, I wrote a series of blog entries on “Snow-tober: No Tree Left Behind,” followed by a blog series on “Winter Injury.” These blogs chronicled the devastating October snow storm and the erratic weather that we experienced during the later months of 2011. My discussion at the time focused on the extensive damage that The New York Botanical Garden endured, giving homeowners tips on how to assess structural damage on trees and combat winter burn on evergreens.

Since then, Super Storm Sandy has drawn our attention away from the Garden and focused it on coastal areas. Over the past few weeks I have been talking to a number of professionals working in the tri-state area, detailing their personal experiences with the mega storm. This has included experts on soils and trees, garden writers, nurserymen that sell halophytic plants (salt-tolerant plants), and restoration landscape designers.

The energy from this group–individuals who were out on the front line of restoration and remediation–and the enormity of the damage from this storm are mind-boggling. My hope is that these painful lessons will help teach us how to work with and respect nature–particularly when it comes to safeguarding our coastline.

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Storm Clean-Up 101: Coastal Flooding and Soil

Posted in Around the Garden, Gardening Tips on February 19 2013, by Sonia Uyterhoeven

Sonia Uyterhoeven is the NYBG‘s Gardener for Public Education.


GardeningSalt damage after coastal storms is not uncommon. Coastal gardeners will notice an appreciable amount of burn on their lawns and their ornamental beds after a storm, damage which will generally be more prominent on the windward side of the garden. Foliage will look desiccated and brown and you will discover that leaf buds have either been killed or are slow to leaf out in the spring.

If salt damage has affected large areas of your garden and plants are wilting, growth is stunted, or buds are slow to break in the spring, then it is worth getting a salinity test for your soil. It is possible that the roots were damaged from increased levels of salt water, or the soil has excess adsorbed sodium which is preventing the plant from taking up nutrients and water.

Last week we discussed how to take a soil sample in your garden, while this week we will focus on gardeners who were affected by Super Storm Sandy. For coastal gardeners who experienced flooding, requesting an extra test for soil salinity measurements will be important–it measures the amount of soluble salts in the soil. There will most likely be an additional charge for this test, but it is usually fairly reasonable, with most laboratories generally performing an Electrical Conductivity (EC) test to determine the amount of soluble salts.

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Storm Clean-Up 101: Soil Samples

Posted in Gardening Tips on February 12 2013, by Sonia Uyterhoeven

Sonia Uyterhoeven is the NYBG‘s Gardener for Public Education.


Garden soilIn the coming weeks, we will be discussing what to do with your garden in the aftermath of hurricanes and significant storms such as Super Storm Sandy. One task that every gardener should consider after an event that involves flooding is to get the soil tested. For coastal gardeners, the influx of salt water can potentially saturate the garden with harmful salt. Because the salinity of the soil may have changed significantly, it is worth knowing what you are working with. Further, it is important to start your gardening season with healthy soil, both for your sake and that of your plants. This week, we will look at how to take a soil sample in your garden, moving on to the problem of salt injury (saline soils) during next week’s post.

Before you take your soil sample, determine the areas that you would like tested, and remember that you will not be taking just one sample of your garden’s soil unless you are testing a uniform space. The soil in your garden will most likely differ based on location and use. For example, the area near the foundation of your home will be different from the untouched areas near the edge of your property, while the soil from your lawn will differ from the soil in one of your ornamental beds.

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