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Our bulb farm
  • Our bulb farm in the Netherlands
  • Wholesale bulbs
  • Check out our bulb assortment
  • We specialize in the USA and Canada
Our bulb farm in the
Netherlands

The
bulb farm

Our bulb farms are located in De Zilk, the Netherlands in the heart of the Dutch flower bulb district. Currently we farm over 300 acres of crocus, daffodils, tulips and hyacinths in the southern and northern bulb district. We are one of the largest growers and exporters in the Netherlands today. Our crew takes great pride in growing our premium flower bulbs and closely monitors the fields during the growth cycle of the bulb.

Our bulb farm | Ruigrok Flowerbulbs
Grown our bulbs

Flower bulbs are grown
in the Netherlands

The culture of flower bulbs, like tulips and hyacinths is concentrated in the coastal area of the Netherlands which has the ideal climate to grow bulbs. In these areas winters are not extremely cold so they don’t freeze. More important, our spring temperatures are also moderate, not too warm, which gives the plants a long period to grow. Tulips and hyacinths in the Netherlands are grown for the bulbs. The bulb starts growing after blooming. As long as the foliage does not die down the bulbs will continue to grow. Besides the climate the quality of the soil is also of vital importance. Flower bulbs grow best on well drained sandy soils or light clay soils, which can be found at the coastal areas.

Grown at
our farm

We are your provider of wholesale flower bulbs direct from our family farms in The Netherlands since 1910. This is a selection of the bulbs grown at our farm for the 2020 season.

  • Amaryllis Dutch ‘Spartacus’
    Select options

    Amaryllis Dutch ‘Spartacus’

  • Amaryllis Dutch ‘Striped Amadeus’
    Select options

    Amaryllis Dutch ‘Striped Amadeus’

  • Amaryllis Dutch ‘Evergreen’
    Select options

    Amaryllis Dutch ‘Evergreen’

  • Amaryllis Dutch ‘Exotic Star’
    Select options

    Amaryllis Dutch ‘Exotic Star’

More bulbs

The yearly cycle
at our tulip farm

Our bulb farm | Ruigrok Flowerbulbs

Fall is for planting

Our planting stock is sourced from bulbs that did not reach top size the previous spring. We begin planting daffodils and crocus in late September when the soil temperature reaches 52 F. Hyacinths and tulips soon follow until our finish date in early December. To keep our soil healthy, we practice crop rotation. If a field is used for tulips one year, it will be many years before tulips are re-planted there again as we cycle numerous other fall and spring planting bulbs thru that land. As good drainage is vital, we keep water levels low. During our peak, we can plant 8 acres a day.

Our bulb farm | Ruigrok Flowerbulbs

The fields are covered with straw after planting

Most flower bulbs are grown in sandy soil which can easily blow off during periods of no vegetation. The straw prevents this while also offering  frost protection. Some bulbs like hyacinths require a thicker layer of straw as they are more susceptible to frost. This machine is fully automated and can cover 2 acres per hour!

Our bulb farm | Ruigrok Flowerbulbs

Come spring, we walk the fields

Spring is a busy period for us. From early march when the first crocus pop up, until the end of May, we walk the fields and check all our bulb lots for signs of virus, infection or irregularities. This is critical to keep the crop healthy.

BKR check | Ruigrok Flowerbulbs

All bulb fields are inspected by the BKD

The Flower Bulb Inspection Service (BKD) is commissioned by the Dutch Ministry of Agriculture to perform flower bulb quality and quarantine inspections and import and export inspections on all bulb crops. It guarantees the quality of flower bulbs in the Netherlands. After planting, all flower bulb lots are registered. Bulb samples are examined in the laboratory. In spring, the bulbs are inspected visually in the field at least once for viruses, bacteria and nematodes. Prior to shipping our bulbs, the BKD also carries out export inspections in our warehouse and issues export certificates for bulbs that are destined for all non EU countries.

Our bulb farm | Ruigrok Flowerbulbs

As blooms begin to fade, we cut off the flower heads

Although the famed Dutch tulip fields attract millions of visitors from around the world each spring, we are focused on what’s going on beneath the soil. Just before the blooms start to fade, the heads are removed mechanically. This allows the remaining plant to direct its energy back into the bulb (not the flower) and stimulates the growth to produce top size bulbs.

Harvest time in June and July

The period after blooming is most important and determines the size of the crop. Flower bulbs grow until their foliage has died down. It all depends on the weather. In the bulb district we have an oceanic climate, which is perfect for flower bulbs. They prefer moderate weather in May and June, so that the bulbs have more time to grow. If it does not rain, we irrigate the fields several times before the harvest. However, an early heat period can cause the plants to die down too early, resulting in a disappointing yield. First, we dig our crocus crop, followed by tulips and hyacinths and finally the daffodils. Daffodils are lifted first and then left on the field for several days, enabling  the bulbs and their roots to dry. Depending on the weather we dig around 8 acres per day.

Processing tulips

Processing our bulbs all summer long

The dry bulbs are first processed by a machine that sifts out most of the sand that is attached to the dry bulbs. The next step is our bulb processing line that removes the major part of the old skins, roots and stems of the bulbs and separates the smaller bulbs from their large (mother) bulb. Most is done by the machine but we need our crew to clean the remainder of the bulbs. The clean bulbs are graded by size and inspected for quality before storage in our climate rooms. Large bulbs are sold to  customers in the Netherlands and around the world. The smallest bulbs are our planting stock which is re-planted in the fall.

We ship our bulbs from
August to October

Our quality bulbs are packed in retail and bulk quantities. The bulbs are shipped to the USA and Canada and European countries. All our top size bulbs go thru a rigorous inspection process prior to export, including MRI scanning and USDA and Canadian pre-inspection.

Shipping bulbs

Take a look at
our tulip fields

Last fall we planted 300 acres of crocus, hyacinths, tulips and daffodils. The modern nursery covers 300 acres in the southern and northern bulb district. Take a look at our fields.

More information

Inspiration
& news

Royal visit between our tulips
11 April 2022
Webshop Ruigrok Flowerbulbs
Ruigrok Flowerbulbs launches a brand new webshop
6 April 2022
Little round about @visitkeukenhof with @momof23 g Little round about @visitkeukenhof with @momof23 great to see you! #landscape #tulips!
Beautiful day @tulipbarnholland ready for a party Beautiful day @tulipbarnholland  ready for a party tonight @kriskrossamsterdam @fleurraateland @vierdelente @d.jefff @adrbulbs @ruigrokflowerbulbs #tulips #bloemencorso
Flowering update; today from our #flowerbulbfarm d Flowering update; today from our #flowerbulbfarm daffodils, hyacinths still blooming, tulips are reaching peak! @flowersfromaroundtheglobe @tulipsinholland @tulipbarnholland @adrbulbs #landscapelovers #spring2022
Today our #tulips #biglove are starting to show🤩#spring2022 #adrbulbs #flowerbulbfarmer #landscape
Some yellow and blue to start your day #adrbulbs # Some yellow and blue to start your day #adrbulbs #spring2022 #dezilk #daffodils #gibbsgardens #ruigrokflowerbulbs #landscape
Chat with us!
Ruigrok Flowerbulbs

Zilkerbinnenweg 58
2191 AD De Zilk
The Netherlands
info@ruigrokflowerbulbs.com
+31(0)252 515 821

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  • Order online
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