For color all year choose small slow growing evergreen trees for rooftop gardens.
Trees for roof decks.
Hardy to zone 5 kousa dogwood cornus kousa stays small for a tree with some varieties maxing out at just about 30 feet making it an excellent foundation planting for a rooftop garden.
Deciduous trees lose their leaves in winter but in summer they provide much needed shade to cool the.
They are highly visible from the roof and even the ground and they are almost always used on green roofs that will be accessible amenities such as plaza decks roof gardens and healing gardens providing a dynamic and unique space on a rooftop.
Because they are constantly pruned into shape they stay relatively small.
As a patio tree trained with a single trunk and a roundish top it s delicate weepy graceful deep green and very easy to grow.
Several species are suitable for patios or decks including lacebark pine pinus bungeana evergreen swiss stone pine pinus cembra and evergreen japanese red pine pinus densiflora.
What trees do well on an urban roof deck.
And when trees are included on a green roof they are typically a central piece of the design.
In spring the tree has small but beautiful white to pink flowers which transition to deep green summertime foliage.
Topiary trees not to be confused with trained trees are often also a good option.
Grey leaved trees do well on a roof.
In large containers consider growing evergreen mugo pine pinus mugo or evergreen japanese black pine pinus thunbergiana.
Multi trunk trees are not only trendy but also very suitable for roof gardens.