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+ | === Urban Permaculture: | ||
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+ | These notes form a part of [[sanjeev shankar]]' | ||
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The first option for rooftop gardening is container gardening, a less formal, highly flexible, cheaper form of roof gardening which is commonly seen in cities worldwide. In container gardening, few to no modifications are made to the existing roof structure; containers – anything from plastic swimming pools to recycled-wood planters – are placed on a rooftop and filled with the desired soil type and plants. One of the problems here is the soil in rooftop containers might thaw on a warm winter day. Further roof container gardens dry out quickly and often require daily watering unless a mulch cover such as straw, wood chips or even a sub-soil layer of newspapers and compost is used to slow down evaporation. Also, in places with extreme climate, the container material must be carefully considered. | The first option for rooftop gardening is container gardening, a less formal, highly flexible, cheaper form of roof gardening which is commonly seen in cities worldwide. In container gardening, few to no modifications are made to the existing roof structure; containers – anything from plastic swimming pools to recycled-wood planters – are placed on a rooftop and filled with the desired soil type and plants. One of the problems here is the soil in rooftop containers might thaw on a warm winter day. Further roof container gardens dry out quickly and often require daily watering unless a mulch cover such as straw, wood chips or even a sub-soil layer of newspapers and compost is used to slow down evaporation. Also, in places with extreme climate, the container material must be carefully considered. | ||