use of ashes in the garden: fertilizer and slug control

Ashes can be very useful for your garden and your plants by becoming a real fertilizer.

Whether it’s in winter when the chimney is at full capacity, or in autumn after burning Leaves and old wood or in the spring during the “big cleaning”, the ashes are still very useful!

Interest of the ashes for the plant

The ashes are rich in potassium (K) and in phosphorus (P).

Their content is not as high as in a conventional fertilizer, but their nutritive elements still contribute to the good development of the plant.

Spreading ashes regularly on your flower beds or lawn can be considered as a good supplementary fertilizer.

Can we use any ashes?

No, it is important to only use the ashes from totally healthy wood  :

  • no treated wood
  • no painted wood
  • plastic pitch

When to use the ashes?

It is best to use the ashes in the spring and fall because that is when the vegetation needs them most.

If you can’t store them, don’t hesitate to spread them, even in winter, as this will always be beneficial.

It is preferable to make small, regular and frequent intakes instead of making mounds of ashes because when it rains it turns into paste.

Using ashes in your compost

This is not very recommended as they tend to “smother” the compost.

  • To read: Making compost

Use the ashes in your vegetable garden

This is not very recommended if you don’t know where the wood comes from.
Indeed, if there are toxic elements in the woods, they could be found in the ashes and therefore in the vegetables in the vegetable garden.

On the other hand, if the wood is healthy It is quite possible, even recommended, as it will improve the quality of the soil and therefore the development of your crops.

Ashes as an anti-slug, what about it?

It’s true that ashes, like the flax mulch The slugs stick to the slugs and thus limit their progress.

To do this, a 2 to 3 cm. high barrier must be formed around the sensitive plants.
It should be noted that ashes no longer have an effect on slugs in rainy weather.