She said: “The soil must be low in nutrients and very permeable, as lavender has an extremely sensitive reaction to excess moisture.
“While dryness is not a problem, they whither when waterlogged, a drainage layer in the planting hole or flower pot combats this.
“If the soil is too wet and has too many nutrients, this can also lead to plants being more sensitive to frost.”
The final mistake gardeners should avoid when growing lavender is fertilising them incorrectly.
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