Note! Not all growers listed below are 100% peat-free. Many growers use Bio-Kultura potting soil. This potting soil consists of 25% peat. While this is somewhat lower than most other potting soils on the market, it's certainly not peat-free. 

Groningen

• Ninabel kwekerij  works with leaf compost and is peat-free (Boerakker) 

Friesland

• PlantMark grow in Bio-Kultura potting soil (Dronryp) = unfortunately still 25% peat
•  iris tuin growing in the potting soil of Bio-Kultura (Idsegahuizum)  = unfortunately still 25% peat

Drenthe 

• Natuurlijk Sterker is a grower for garden plants who is selling peat-free plants and potting soil as well as second-hand flower pots (Eldersloo) = 100% turfvrij
  
• Arnica kwekerij grows wild and native plants peat-free and coconut-free (Dwingeloo) 

Overijssel 

• Arjan Schepers Vaste Planten uses and sells peat- and cocos-free potting soil (Mariënheem) 
• Holsto Tuinen & Buitenleven: All plants they grow themselves are peat-free and some of the plants they buy from fellow growers are also peat-free (Olst)
• Kwekerieje: They grow all native and edible perennials without poison and in potting soil from Bio-Kultura (Dalfsen) = unfortunately still 25% peat

Flevoland

• Kwekerij de Eenvoud from Almere grows in Biokultura potting soil. = unfortunately still 25% peat

 Gelderland 

• Hessenhof: This organic and peat-free grower uses leaf compost. (Ede)
• DependensOrganic and peat-free grower. Works with its own leaf compost (Bennekom) 
• Koninginnetuin in Heelsum grows organic and peat-free. 
• Kwekerij Pieter’s Planten since recently grows his plants completely poison- peat- and cocos-free (Wapenveld)
• De Glinstertuin grows flowers and garden plants peat- and cocos-free (Glind)
• Eetbaargoed cultivates edible trees, shrubs and plants (for food forests and edible gardens, among other things) (Vaassen) 
• De Tuinen van Mergenmetz growing in Bio-Kultura potting soil (Doorwerth) = unfortunately still 25% peat
• De Boomkroon grows organic, peat-free fruit trees in open ground (Amerongen)

Noord-Holland 

• Liefhebbersplanten: Uses subtrates from Biokultura for his cultivation (in Winkel)  = unfortunately still 25% peat
  
• De Tuinstek: This grower is almost peat-free. Seedlings are grown in 5% peat. (Wieringerwaard)
• Kwekerij Flora voor Fauna grows wild and native plants peat-free and coconut-free (Kortenhoef)

Utrecht 

• Kwekerij Randijk peat and coconut-free bamboo, ornamental grasses, and Christmas trees are grown here (Leusden)
• Kwekerij Bijenkans sells organic plants grown on Bio-Kultura substrates = unfortunately still 25% peat
• Kwekerij Houtum  sells organic plants grown on Bio-Kultura substrates = unfortunately still 25% peat

Zuid-Holland

• Stadskwekerij De Kas  grows in Bio-Kultura and leaf compost and works completely poison-free = unfortunately still 25% peat (Rotterdam)
• Krukla Tuinen  grows in Bio-Kultura potting soil = unfortunately still 25% peat (Klaaswaal)
• Buitenkweek grows in Bio-Kultura potting soil = unfortunately still 25% peat (Delft)

Noord-Brabant

• Bezig Bijtje Plantzorg: Grows poison-free plants in a mixture of black soil/sand and compost. The nursery is open by appointment. Call for an appointment: 0622461153 (Vlijmen) 
• Tuincentrum Soontiëns. Be careful here! This nursery is in transition, and not every plant is peat-free, nor is every plant poison-free! Some of the selection is peat- and poison-free, though. So be sure to ask carefully if you're planning to buy plants here! 

Limburg

• Bastin kwekerij: Peat-free grown plants can be ordered online (in Aalbeek) 
• Marcel de Wagt- Kwekerij van opvallende vaste planten (Ven-Zelderheide) grows in peat-free potting soil
• Kwekerij Lovendaal (Grubbenvorst) grows in Biokultura potting soil. = unfortunately still 25% peat

If you know about other potting soil producers and growers who work peat-free, please let us know (contact)