• Start an ecosystem restauration project today!

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  • Groasis is winner of the National Icons!

    Groasis as one of the National Icons finalists
  • Use the Growboxx® – save money and water – enjoy high survival rates

  • Plant fruit trees with the Growboxx® - get faster growth without using expensive irrigation

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  • The inexpensive Growboxx® plant cocoon – fix it, forget it, be fascinated

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  • Amazing survival rates and watersavings with the biodegradable Growboxx®

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  • This photo shows the capacity of the Growboxx® plant cocoon for eco system restoration. You can plant one native tree in the middle of the Growboxx® and four native wildflowers and bushes in the cover. The tree is planted in the soil and the 4 bushes/wildflowers start to grow in the water. After 6 to 9 months the Growboxx® degrades and the bushes/wildflowers establish in the soil. Each box plants a group of pioneer trees, bushes and wildflowers that start to colonize the area. This way you can organize ecosystem restoration projects at unimaginable low costs. Find the datasheet of the Growboxx® plant cocoon here.
  • We are very honoured that Groasis has received the National Icon award from the Ministry of Economic Affairs of the Netherlands. This award acknowledges our position as one of the 3 most innovative companies of our country and highlights the promise that the Groasis Ecological Water Saving Technology holds. The Ministry has selected our company because of our mission, vision, product and service – which embody an innovative breakthrough.
  • We have already sold over 1 million Growboxx® plant cocoons! Send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. to reserve the Growboxxes that you need. Orders will be delivered in order of receipt. Don’t wait too long, we’re sold out for 2016, next orders will be supplied during 2017.
  • Planted at UPSE University Ecuador – highest radiation on Earth – 111 mm of rain – up to + 41⁰C. The fantastic UPSE University report (Ecuador) highlights that planting trees can be profitable. As a result of our Waterboxx® plant cocoon technology, fruit trees grow at a fast pace without irrigation. Purchase our Waterboxx® plant cocoon now!
  • The "Life+ The Green Deserts" project was closed on August 31, 2015. The project was organized by the University of Valladolid. On the photo you see from L to R Prof. Zacarias Clerigo, Pieter Hoff, Prof. Fermin Garrido Laurnaga, Mayor of San Mateo José Manuel González and Prof. José Luis Marcos Robles. During the project we started from L to R with the 10 times re-usable Groasis Waterboxx® plant cocoon, then 2 models Groasis Waterboxx made from biodegradable plastic, and finally we developed the Growboxx® plant cocoon made of recycled paper.
  • On the left picture: 2014 Los Monegros Desert Zaragoza Spain – 2 years old Spartium junceum bush - planted with biodegradable Groasis Waterboxx® plant cocoon. On the right picture: 2015 Los Monegros Desert Zaragoza Spain – 3 years old Spartium junceum bush - planted with biodegradable Groasis Waterboxx® plant cocoon.

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Change your way of planting trees

The Groasis Waterboxx® plant cocoon is a life changing innovation, watch here how it works! 

Read the Treesolution

Do you want save money and earn money on the same time? Read the new and free e-book written by Pieter Hoff, The Treesolution.