News archive

February 2023

• Olaf Meijer

January 2023

• Watch our new corporate movie!
• Meet us at IPM and more

December 2022

• Coco substrate: a sustainable choice

November 2022

• The next step in emission-free cultivation
• Out now: the latest Grow-How!

July 2022

• Lentiz MBO Westland conducts research into circular greenhouse horticulture
• Sustainable chrysanthemum cultivation at Dümmen Orange

March 2022

• Delphy and Van der Knaap join forces

January 2022

• Renewable raw material: ‘Fibrecompost’
• Organic cultivation of sweet pointed peppers in soil (pt 4)

December 2021

• Innovative production methods at location Dominican Republic
• Research in innovation centre ‘de Kas’

November 2021

• Growing cucumbers with circular fertiliser
• Makeover reception area 'de Kas'
• Message VPN (Nov. 2021)

August 2021

• Organic cultivation of sweet pointed peppers in soil (pt 3)
• Substrate trial Lisianthus on ErfGoed cultivation floor
• Pot worm control by choosing the right substrate

July 2021

• Press release: making potting soil and substrates more sustainable

June 2021

• Organic cultivation of sweet pointed peppers in soil (pt 2)
• Lighting in innovation centre ‘de Kas’

April 2021

• Organic cultivation of sweet pointed peppers in soil (pt1)

March 2021

• Press release by VPN
• Collaboration Van der Knaap and Biobest in 'de Kas'

February 2021

• Discover the possibilities of innovation centre 'de Kas'
• The perfect sensor for coco substrates
• Sustainable: drying plugs with geothermal heat

January 2021

• Opening of Van der Knaap México
• Van der Knaap Group celebrates 40th anniversary

December 2020

• Out now: the latest Grow-How!

October 2020

• Lettuce in a hydroponic system: 100% organic nutrients

July 2020

• Breakthrough in organic cultivation

May 2020

• Van der Knaap Group resumes coco production

April 2020

• Compact cultivation of kalanchoe without the use of Tilt

March 2020

• Weed control with TopControl

February 2020

• Satisfied students after using Forteco Power in All Climate Greenhouse
• New Holland Potgrond mixing line ready

January 2020

• Influence of substrate on shelf life of Phalaenopsis

November 2019

• Van der Knaap rises in the Hillenraad100

October 2019

• Update on Holland Potgrond Poeldijk renovations
• New state-of-art propagation plugs with Ellepot paper

August 2019

• Installation of Holland Potgrond mixing line

July 2019

• Westland alderpersons visit Van der Knaap Groep
• Van der Knaap joins the Greenhouse Horticulture Club of 100

June 2019

• Successful orchid knowledge day at Van der Knaap

January 2019

• Van der Knaap signs for geothermal energy

October 2018

• Reopening Antalya Substrat

May 2018

• Van der Knaap at Hortiflor Beijing

February 2018

• 'Van der Knaap square' at WHC
• HortiContact GO 2018

January 2018

• "Outstandingly Positive Mood" at IPM ESSEN 2018

October 2017

• Van der Knaap Group concludes agreement with NatureFresh Farms

June 2017

• New: Fibre-Neth® Bookplug

March 2017

• The Van der Knaap Group takes part in Demokwekerij Westland