Living Soil

Container vegetables and herbs

Comfrey: best soil mix and feeding guide

Comfrey is in Living Soil's Container vegetables and herbs group. Tomatoes, peppers and herbs in pots. Its guide gathers what published references say about light, spotting problems and cautions, with 4 mixes that suit it.

What the comfrey guide covers

Every item carries the reference behind it. Where references disagree, the guide shows both.

  • Light1
  • Spotting problems1
  • Cautions3

The count is how many sourced items each part of the guide holds.

Mixes that suit comfrey

Sandy container vegetable mix

A sandy, free draining mix for potted herbs, tomatoes and peppers. It is normally made with a slow release feed mixed in.

Compost and bark container vegetable mix

A rich container vegetable mix that holds water and nutrients well and keeps its structure. A good base for potted herbs, tomatoes and peppers.

Raised bed fill

A solid raised bed fill with plenty of body and a modest boost of organic richness. Pair it with a soil test, which tells you what your bed still needs.

Rich raised bed fill

A far richer bed fill, packed with organic matter that feeds the soil life. Sources disagree on how rich a bed should be, and the app shows both views.

Each mix comes with the reference behind every figure, measured for your batch, pots or bed.

Good to know

  • pH: the references give 6 to 6.5 for container vegetables and herbs in general.
  • The mistake to avoid: Feeding herbs like tomatoes.
  • Also known as: common comfrey, symphytum, symphytum officinale and knitbone

Questions

What is the best soil for comfrey?

Living Soil lists 4 mixes that suit comfrey, each from a published reference. They include Sandy container vegetable mix, Compost and bark container vegetable mix, Raised bed fill and Rich raised bed fill. The app measures any of them for your batch, pots or bed.

What pH does comfrey need?

The references give pH 6 to 6.5 for container vegetables and herbs in general.

Is the comfrey guide free?

Its overview is free: what the guide covers and which mixes suit it. Opening the full guide takes credits, and the app shows the price before you confirm. Credits never expire.

Grow comfrey on the right soil.

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