Shallow roots
Help please. I need to plant a hedge/barrier to prevent vehicles being driven over sewage/water pipes which are very close to the surface. Obviously they would need to have a fairly non invasive root system. They would be planted approx 3 ft away from pipes. Soil is mixture of sand and clay.
Other criteria - About 4ft in height to be visible to drivers and the most difficult of all providing year round interest. A mixture of evergreen and deciduous is workable.The position is East facing but not exposed and it gets sun for most of the day in summer, less in winter as the whole site is surrounded by mature trees.
It's a tall order but I hope you knowledgeable people out there can help.
Other criteria - About 4ft in height to be visible to drivers and the most difficult of all providing year round interest. A mixture of evergreen and deciduous is workable.The position is East facing but not exposed and it gets sun for most of the day in summer, less in winter as the whole site is surrounded by mature trees.
It's a tall order but I hope you knowledgeable people out there can help.
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It might give us more of an idea what to suggest
However, the pipes would have had far more cover than yours sound. Is there any way you can build up the ground a bit too?
The photo that @madpenguin suggests would be helpful though, to give us a better idea of the site you're dealing with.
It's hard to visualise the area without a pic though.
A hedge is more in keeping with the nature of the area and one consisting of suitable flowering shrubs could give year round interest. A variegated Griselinia has been suggested as being suitable any thoughts on this?
Or this
And then let the area behind go wild?