- A sedum green roof IS drought tolerant --- so it rarely needs irrigation.
- It is frost hardy----so doesn't need replacing after a bad winter.
- It is low growing----so it doesn't need mowing, pruning, clipping or any of the other gardening jobs associated with herbacious perennials.
- It is quite thrifty when it comes to nutrients----so no need for frequent feeding as you would roses or tomatoes.
- A sedum roof IS a living thing. Which means that it DOES need an adequate supply of water and of the right nutrients.
|Plants like this Sedum spurium need a booster feed in spring when they're growing on a roof|
|A green roof is equivalent to a large, shallow plant pot. |
It needs similar care to your houseplants, raised beds and planted containers----but on an industrial (and more manageable) scale
Here's what you need to keep your green roof in tip-top condition:
If you already have a living green roof you will need some of this
|YUK! a neglected sedum roof. The hungry plants are too weak to hold the growing medium in place with their roots. This roof looks ugly and its thermal performance is probably very poor. It's not much use to wildlife either.|