Bulbs
Flower Basics
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Flower Garden
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Gardening Basics
Green & Organic
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Growing Plants
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Growing Thyme
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Herb Basics
Herb Garden
Indoor Growing
Landscaping Basics
Landscaping Patios
Landscaping Plants
Landscaping Shrubs
Landscaping Trees
Landscaping Walks & Pathways
Lawn Basics
Lawn Maintenance
Lawn Mowers
Lawn Ornaments
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Lawn Tools
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Overall Landscape Planning
Pests, Weeds & Problems
Plant Basics
Rock Garden
Rose Garden
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Soil
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Yard Maintenance
Disadvantages of a Roof Garden
Disadvantages of a Roof Garden. City dwellers wishing to grow fresh vegetables and flowers sometimes opt to plant gardens on the rooftops of homes, apartment complexes and commercial office buildings. While some roof gardens produce healthy foods and flowers with minimal problems, others experience difficulties.
City dwellers wishing to grow fresh vegetables and flowers sometimes opt to plant gardens on the rooftops of homes, apartment complexes and commercial office buildings. While some roof gardens produce healthy foods and flowers with minimal problems, others experience difficulties.
Common Disadvantages
Buildings requiring a lot of water for general maintenance may pose problems as roof gardens significantly cut into the water supply. Since soil is a relatively heavy substance, most roofs require reinforcements before gardens can safely be sown on their surfaces. Roofs regularly subjected to high winds may lose significant numbers of plants and seedlings during certain seasons.
Leakage
Although roof gardens need a protective membrane in between the soil and the rooftop, leakage may occur if nails, screws or garden tools penetrate the covering. Since repair of the membrane necessitates removal of part or all of the garden, this is a costly renovation.
Other Drawbacks
Unlike a typical garden, roof gardens require intricate and costly drainage systems to ensure no water seeps into the building through tiny cracks and crevices in walls or drips down the sides of the building. Insurance premiums for buildings with roof gardens are generally higher than for standard structures.
