Vegetation Intensive vegetation – Shrubs Posted on Thursday July 12th, 20186 min read 0 548 The intensive green roof’s vegetation is similar to a garden at ground level, because the structure allows this.In case of garden or landscape type, the substrate thickness used ensures optimal conditions for the vegetation used but of course the climate and microclimate are also very important.For this kind of rooftop gardens, perennials or annuals, shrubs, especially native species are recommended. Some general characteristics in case of coniferous or hardwood plants: undergrowth or bushes with the maximum height of 1.5-2 m; creeping or erect stems; adapted to dry (xerofile species, Xero-mesophilic) and relatively resistant to frost.Trees can reach 5-6 m, that’s why they must be properly anchored. Their center of gravity should be placed as low as it is possible, otherwise a strong wind can displace them. (There are special anchoring devices – see section green roof elements, help for design). A list of plants that can be used in case of intensive green roofs is almost impossible, because it is actually a landscape project which takes into account the technical feasibility, the financial and environmental possibilities, the wishes of the client, and all these will define the final appearance.Here we present some examples to underline the diversity of possible options, with species that can successfully populate green roofs: Alnus viridis Amelanchier laevis Amelanchier stolonifera Amygdalus nana Aronia melanocarpa Berberis vulgaris Buxus sempervirens Celastrus scandens Cephalanthus occidentalis Cladrastis lutea Cornus alba Cornus alternifolia Cornus amomum Cornus canadensis Cornus racemosa Cornus sericea Cornus sericea ‘isanti’ Caragana arborascens Chamaecytisus albus Colutea arborescens Cornus alba Cornus mas Cornus sanguinea Corylus avellana Cotoneaster horizontalis Crataegus monogyna Daphne laureola Daphne mezereum Diervilla lonicera Hamamelis virginiana Hydrangea arborescens Hydrangea macrophylla Hypericum kalm. Jasminum fruticans Juniperus horizontalis Ligustrum vulgare Lonicera tatarica Kalm’s Ilex verticillata Mahonia aquifolium Myrica pennylvanica Parthenocisus virginiana Physocarpus opulifolius Potentilla fruticosa Potentilla tridentata ‘Nuuk’ Philadelphus coronarius Physocarpus opulifolius Ptelea trifoliata Prunus cistena Rhodendron ‘Aglo’ Rhus aromatica Rhus glabra Ribes sanguineum Rosa canina Rosa gallica Salix exigua Sambucus canadensis Sambucus pubens Spirea alba Spirea bumalda ‘Goldmound’ Spirea bumalda ‘Goldmound’ Spirea tomentosa Symphoricarpus albus Syringa vulgaris Viburnum dentantum Viburnum lentago Viburnum trilobum Viburnum opulus Viburnum rhytidophyllum Vitis riparia Weigela florida ‘French Lace’ Tamarix tetrandra With a great experience in landscaping and construction of green roofs, our company is ready to help you choosing the right type of ecological roof and vegetation for your construction.Vegetation of intensive green roofs is similar to that of a garden at ground level, because the structure allows it. In case of intensive green roof gardens or landscape roofs, the thickness of the substrate ensures optimal living conditions for lots of plants, the most important criteria in choosing them, are the climate and the microclimate of the site and their annual growth rate.For the selection of plants that will form the vegetation of a green roof or a living wall, qualified and experienced horticulturists and landscape engineers are advising us. Plants recommended by us are suitable for the climatic conditions of the site, most of them are native species. Further maintenance of these green roofs is done promptly and with maximum professionalism, so we promise that you’ll have an aesthetic, healthy and viable green roof.Your ecological roof can be an extensive one, planted with sedum or ferns, or an intensive garden with grasses, perennials, shrubs and even high trees. We also use vegetation rolls developed for green roof systems, but grass can be also sown with seed mixtures, and for immediate results even trays fitted with matured plants can be installed. For any questions, please contact us!