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Backyard Bazaars

Backyard Elderflower Petal Wild Yeast Ferment Liquid Starter Brewer

Harvest fresh elderflower blooms from garden bushes, steep them in spring water to extract wild yeasts, and bottle starters for home brewers.

Startup Cost: £15 Location: Hybrid Difficulty: Easy Useful side income A few hours a week

Earning and time figures are our broad estimates, not guarantees — actual results depend on your area, your effort and demand.

Why it's left-field

Home brewers buy jars of natural wild flower yeast liquid extracted from your garden elderflowers to ferment sparkling fruit wines.

How it works

  1. 1Harvest fresh unwashed elderflower heads from garden bushes on dry summer mornings.
  2. 2Steep blooms in spring water with sugar to cultivate active natural wild yeasts.
  3. 3Bottle pasteurised wild yeast starter liquid and list on home brewing marketplaces.

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Why it's left-field

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Why it's left-field

The materials cost nothing and the finished piece looks deliberately rustic, which is precisely what garden buyers pay extra for.

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Hand-painted stones with a pet's name and dates — made from free or cheap stone — sell steadily to grieving owners who want something personal.

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Why it's left-field

Grief doesn't check price lists, and a painted stone made to order feels irreplaceable in a way mass-produced plaques never do.