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  3. Sarah Wisson
Sarah Wisson - Senior researcher & writer at Which?

Sarah Wisson

Senior researcher & writer

Trained horticulturalist Sarah grows our flower and veg trials. A perk of the job is tasting all the veg varieties so she knows which are the best.

16 articles
  1. 2026

    1. 11 Jun
      A person pours liquid from a red container into a blue watering can, surrounded by leafy green plants in black pots.

      Best tomato feed

      Garden equipment
    2. 08 Jun
      A hand holds a smartphone displaying a flowering plant, with vibrant blue blossoms and green foliage in the background.

      Best plant identification apps

      Garden equipment
    3. 08 Jun
      A person pulls back a section of grey fabric revealing a sharp nail embedded in the ground underneath.

      Weed suppressing membranes

      Garden equipment
    4. 08 Jun
      Wheelbarrows

      Best wheelbarrows: how to choose the one for you

      Garden equipment
    5. 08 Jun
      Trialling dahlias

      How to grow dahlias and the best varieties

      Plants
    6. 05 Jun
      Trialling carrots

      How to grow carrots and best varieties

      Grow your own
    7. 29 Apr
      Harvesting the lettuce trial

      How to grow lettuce and best varieties

      Grow your own
    8. 09 Apr
      Fluffy, feathery purple and white grass sways in a lush green garden, creating a soft, natural border.

      The best ornamental grasses and how to grow them

      Plants
    9. 08 Apr
      Bamboo

      How to grow bamboo and the best varieties for gardens

      Plants
    10. 08 Apr

      How to grow echinacea and the best varieties

      Plants
    11. 10 Mar
      Freshly harvested garlic

      How to grow garlic and best varieties

      Grow your own
    12. 03 Mar
      Assessing our daffodil trial

      How to grow daffodils and the best varieties

      Plants
    13. 03 Mar
      Harvesting our onion trial

      How to grow onions and best varieties

      Grow your own
    14. 02 Mar
      Setting up a wildlife camera

      Best wildlife cameras 2026

      Gardening for wildlife
  2. 2025

    1. 23 Dec
      A person holds a large cluster of light-colored mushrooms with wavy edges against a backdrop of an orange shirt.

      The best mushroom growing kits

      Grow your own
    2. 11 Dec
      Range of different cucumber varieties

      How to grow cucumbers and best varieties

      Grow your own