They may look very attractive, but do they serve any other purpose? Yes. Rooftop gardens not only beautify your home (and increase its resale value) but also improve air quality, reduce energy consumption by insulating buildings, encourage birds and delay storm water runoff.
If you have a green thumb – or even if you don’t – you’ll likely realize that the easiest method of rooftop gardening is to place planters around your roof. Spread these out to limit the weight in one specific spot, add a patio chair or two – perfect for relaxing or entertaining - and you have an eye-catching addition to your home. Your second (and more permanent) choice is to plant on your roof. With the latter option, lay down a waterproof membrane first and plant into a soil less mix. Using this is preferable as it restricts weed growth and remains far lighter than regular garden soil. Have you ever struggled to push a wheelbarrow full of wet mud? Remember that dirt becomes far heavier when watered down; you won’t want your garden to come suddenly crashing through your roof.
As with any garden, consider your area’s climate. Will you be transplanting or covering your plants up for winter? Your plants must be hardy enough to survive. Take extra precautions to protect your garden from increased wind and sunlight – if you live in a penthouse condominium on the 23rd floor, as an example, both of these natural elements will be dramatically increased over a one-level bungalow.
Should your home have an angled roof, don’t despair. While flat roofs are easiest to use, it is still possible to plant; however, you would be wise to speak with a qualified engineer to ensure your roof’s slope is not too steep.
Get creative! Think of the many options for your own rooftop garden. More importantly, by planting, think of the many benefits you are bringing to our own planet.
