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Planting Seven Million Bulbs: A Gardenerís Perspective on Hollandís Keukenhof

By Jill M. Nicolaus (critterologistApril 25, 2013
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What does it take to plant the worldís largest display of spring blooming bulbs? Letís peek behind the scenes at the Keukenhof and meet one of the gardeners who helps create this spectacular garden.

Gardening picture

(Editor's  Note: This article was published on April 16, 2009. Your comments are welcome, but please be aware that authors of previously published articles may not be able to respond to your questions.)

When planning my spring visit to the Netherlands, I knew I had to see the famous Keukenhof gardens. I spent an unforgettable day exploring its splendor.  In addition, I had the privilege of spending some time with master gardener André Beijk.  He has been gardening at the Keukenhof for 22 years and is one of three head gardeners on staff.  I knew he'd have some fascinating insights to share!

 

 

Where do the bulbs come from, and where will they go?

 

Bicolor yellow tulips blooming with mixed crocusThe bulbs are donated by growers, who see the gardens are a unique showcase for their wares. Small markers throughout the garden tell visitors what varieties they're admiring. Larger signs next to each bed indicate which grower sponsored the display, letting people know who would be glad to sell them their new favorites this fall.bed of red tulips with yellow daffs in background

 

A landscape designer plans each display area, taking into account how it will look from multiple viewing angles. Including early and late blooming bulbs in the designs ensures interest throughout the ten week season. The designers are true artists, creating an elegant informality with the freeform curves of the perfectly planted beds. Detailed planting diagrams for each bed help the gardeners translate the designer's vision into reality.

 

purple iris reticulata accent circular tulip beds along small stream      tulips leaves poking up in perfect beds echoing curve of stream

 
 

 Each display bed contains layers of bulbs, from white crocus blooms open to show golden centersearly bloomers to late season bulbs.  The display in a bed might begin as a circle of snowy crocus blooms, accented with a swoop of sky blue Scilla siberica, with small islands of canary yellow Iris danfordiae among emerging burgundy-streaked leaves of Tulipa greigii. triangular bright yellow iris bloomThis could be followed by the brilliant blooms of the tulips across the bed, with an added outline of grape hyacinths (Muscari armeniacum).  Near the end of the season, yet another pattern of late blooming tulips in contrasting colors might emerge.

 

 

street sign KeukenhofdreefHow do you plant seven million bulbs?

 ONE BULB AT A TIME.

 

 

motorized cart with big wheelbarrow type front

 bulb crates stacked to display big posters

 

The Keukenhof has a year-round staff of thirty gardeners. An additional ten are hired during the two month fall planting season. Crates and boxes of bulbs arrive continuously in October and November and are sorted out according to where they'll be planted. I was envisioning huge tractor trailer trucks backing up to the gates, but André laughed and told me that seven million bulbs didn't take up quite that much space.

Gardeners use motorized carts to bring the boxes of bulbs to each bed. Design diagrams tell them exactly where each variety will go. The bulbs for each layer are placed over the entire bed, creating a balanced look by with careful attention to spacing. Once the bulb placement has been tweaked to the gardener's satisfaction, planting begins.

 gardener kneeling and reaching down into bed of red tulipsAndré starts at one end of the bed, kneeling down so he can dig and plant one bulb at a time into its assigned spot. Once the first layer of bulbs is completed, the second and possibly third layers are laid out and planted just the same way. It takes him just two hours to plant a good sized bed like this, he said, waving at an area I estimated to be nearly a thousand square feet in size.

The sandy, loamy soil in the beds is worked to fluffy perfection before fall planting. André says the soil is so loose that he could just about shove each bulb down into position without actually digging. pointing to wonderful light soil between sprouting tulipsHowever, he figures his hands would get a bit sore after the first thousand or so bulbs, so he'd rather use his little shovel.

I asked André if he remembered any particular beds that he had planted last fall. He shook his head and said that by the end of November it was all pretty much a blur. Small wonder! Seven million bulbs divided by 40 gardeners equals an average of 175 thousand bulbs apiece. I strive to add at least a thousand bulbs each year, but numbers like that make my own efforts seem puny.

Most of us garden on a far less grand scale, but we can still learn from the gardeners at the Keukenhof. Whether we're planting a small container or a backyard bonanza of blooms, a little planning may help you create striking displays. Plant layers of early and late varieties for a long blooming season.

And if you ever get the chance to travel to the Netherlands, try to go in late April, during the height of spring flowering at the Keukenhof!  

  

container of pink lily flowered tulips & white hyacinths & more

 

White lily flowering tulip bloom streaked with pink

 

 

 

 

 

 

 

 

 For an overview and more photos of the Keukehnof, please click on Holland's Keukenhof Gardens: Sixty Years of Spectacular Spring Flowers.  An upcoming article will have additional information on gardening at the Keukenhof.  You may also want to take a look at the Keukenhof's website.

Move your mouse over images and links for additional information (allow the cursor to hover over the image for a second or two, and a pop-up caption will appear).

Photos by Jill M Nicolaus.

Thanks to AnneMarie Gerard and her staff at the Communications Office and to André Beijk for an unforgettable tour. Beyond appreciating his behind-the-scenes insights, it was a pleasure to spend time with a man who so clearly loves what he does.

 


  About Jill M. Nicolaus  
Jill M. NicolausBetter known as "Critter" on DG, Jill lives in Frederick, MD, where she tries to fit as many plants as possible into a suburban back yard. The birds are mobbing our feeders lately, so Sunshine Girl and I have a job keeping the Flyby Cafe' open for business! This year, we put out a special feeder just for the squirrels, filled with a seed & corn blend. We still see them acrobatically snatching food from the other feeders, but at least now they let the birds get a beak in edgewise! (Images in my articles are from my photos, unless otherwise credited.)

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Discussion about this article:
SubjectTopic StarterRepliesViewsLast Post
keukenhof mycatdave 3 3 Jun 22, 2013 4:37 PM
Thanks for the memory! mgpaquin 1 2 Apr 29, 2013 7:00 PM
The numbers don't seem to add up .. rscrane 1 22 Apr 23, 2009 9:37 PM
Wintering soive2000 1 6 Apr 23, 2009 11:51 AM
wonderful, but sandi_of_wi 1 15 Apr 21, 2009 11:50 PM
I've been anticipating these articles! Bookerc1 13 62 Apr 21, 2009 4:28 PM
good one phicks 7 25 Apr 21, 2009 12:31 AM
Euphorbia tirucalli - pencil plant mommcclellan 1 8 Apr 20, 2009 9:07 PM
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