Coal ash contains very little plant food (perhaps small amounts of sulphur) but it may be added to the garden to help improve the soil by opening it, so that it will drain more freely. Coarse ash can also be spread around plants to deter slugs from attacking them.
Gardening Expert: |
If you can't find what you are looking for on the website then you can ask one of our experts. To get in touch with us Click Here
We will try to get back to you with an answer as soon as we can.
Did you find this answer useful? Subscribe to our newsletter for gardeing news, projects, special offers and competitions.
Majorelle Garden
Marrakesh, Morocco
Shinjuku Gyoen National Garden
Tokyo, Japan
Desert Botanical Garden
Phoenix, Arizona, USA
Missouri Botanical Garden
St. Louis, Missouri, USA
Gardens of the Generalife, Alhambra
Granada, Spain
Nongnooch Tropical Garden
Pattaya, Thailand