Carrot, maincrop trial 2025

Objectives and purpose of the trial

The focus of this trial is to assess a range of late, maincrop carrot (Daucus carota) cultivars (excluding nantes and amsterdam types). The RHS Trials team at RHS Wisley, Surrey, aims to compare, record and display the merits of new and established maincrop carrot cultivars for garden use and cultivation. Those that perform best will be awarded the RHS Award of Garden Merit (AGM).
Harvesting crisp, sweet carrots straight from the garden
Garden-fresh carrots ready for a delicious meal

Judges and criteria

Judging criteria

The following factors are all taken into consideration as part of the judging of the trial:

  • Top size
  • Flesh and core colour
  • Lack of internal greening and cavity spot
  • Taste

  • Skin smoothness
  • Shape
  • Uniformity of root

Suppliers to the trial

List of plants in the trial

View all the carrots on trial at RHS Wisley
  • Daucus carota ‘Adelaide’ F1 
  • Daucus carota ‘Autumn King’ 2 
  • Daucus carota ‘Bangor’ F1 
  • Daucus carota ‘Berlicum’
  • Daucus carota ‘Black Nebula’ 
  • Daucus carota ‘Carruba’ F1   
  • Daucus carota ‘Deep Purple’ F1  
  • Daucus carota ‘Eskimo’ F1 
  • Daucus carota ‘Excalibur’ F1   
  • Daucus carota ‘Extremo’
  • Daucus carota ‘Flakkee’
  • Daucus carota ‘Flyaway’
  • Daucus carota ‘Harlequin’
  • Daucus carota ‘Jitka’
  • Daucus carota ‘Maestro’ F1 
  • Daucus carota ‘Mercurio’ F1  
  • Daucus carota ‘Nazareth’
  • Daucus carota ‘Nerac’
  • Daucus carota ‘Norfolk’ 
  • Daucus carota ‘Oxheart’ 
  • Daucus carota ‘Rainbow’
  • Daucus carota ‘Speedo’
  • Daucus carota ‘Sugarsnax 54’
  • Daucus carota ‘Sweet Candle’
  • Daucus carota ‘Tozresis’ F1
  • Daucus carota ‘Volcano’ F1  
RHS Award of Garden Merit logo
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Handy tools and information


Get in touch

For more information on our RHS Plant Trials or to access older trial reports, please get in touch with our team via email at trials@rhs.org.uk.

Get involved

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