| Probably you have installed your garden untill now, but I just saw your message. Here is my proposed list of plants suitable for windy positions (w), which are very common on the cyclad islands or places with less wind ( ). Trees: Araucaria exelsa (w)
Casuarina tenuissima(w)
Ceratonia siliqua(w)
Chorisia speciosa
Eucalyptus camaldulensis(w)
Ficus aystralis(w)
Ficus nitida
Grevillea robusta
Hibiscus syriacus(w)
Jacaranda mimosaefolia
Koelreuteria paniculata(w)
Lagerstroemia indica
Melia azedarach(w)
Morus alba
Nerium oleander(w)
Olea europaea(w)
Pinus halepensis
Pinus pinea(w)
Punica granatum
Quercus ilex(w)
Parkinsonia aculeata
Schinus molle
Sophora japonica(w)
Tamarix gallica(w) Palms: Butia capitata(w)
Chamaerops excelsa(Trachycarpus)(w)
Chamaerops humilis(w)
Livistona australis
Phoenix canariensis(w)
Phoenix dactylifera (w)
Whashingtonia filifera
Whashingtonia robusta(w) Shrubs: Acacia constricta Atriplex canescens
Atriplex hymenelytra
Atriplex lentiformis Buddleia davidii
Buxus sempervirens
Capparis spinosa(w)
Carissa grandiflora(w)
Caesalpinia pulcherrima(w)
Cineraria maritima(w)
Cotoneaster horizontalis
Cotoneaster lacteus
Dodonaea viscosa
Eleagnus pungens(w)
Euonymus fortunei(w)
Feijoa sellowiana
Hibiscus rosa-sinensis
Hibiscus syriacus(w)
Jacobinia gheisbreghtiana
Juniperus horizontalis(w)
Lagerstroemia indica
Lantana camara(w)
Lantana sellowiana
Laurus nobilis
Cestrum nocturnum
Ligustrum japonicum(w)
Medicago arborea(w)
Myoporum laetum(w)
Myrtus communis
Nerium oleander(w)
Phillyrea angustifolia(w)
Pistacia lentiscus(w)
Pittosporum microphyllum(w)
Pittosporum tobira 'nana'(w)
Pittosporum tobira(w)
Plumbago capensis
Punica granatum nana
Pyracantha coccinea(w)
Raphiolepis delacourii(w)
Raphiolepis umbellata(w)
Rhamnus alaternus(w)
Ruscus acuelatus
Spartium junceum(w)
Strelitsia reginae
Teucrium fruticans
Thevetia peruviana
Thuja occidentalis(w)
Thuja orientalis(w)
Tulbaghia
Veronica speciosa
Viburnum tinus(w)
Vitex agnus-castus(w)
Yucca aloifolia(w)
Yucca filamentosa(w)
Yucca gloriosa(w)
Yucca elata (w)
Yucca schottii (w)
Grevillea rosmarinifolia
Polygala myrtifolia
Asclepias tuberosa
Convolvulus cneorum(w)
Dimorfotheca calendulacea(w)
Felicia pappei(w)
Gazania x hybrida
Mesembryanthemum(w)
Pelargonium zonale(w)
Pelargonium peltatum
Pelargonium grandiflorum
Penstemon
Russelia juncea
Santolina chamaecyparis(w) Aromatic plants: Aloysia citriodora
Lavantula officinalis(w)
Melissa officinalis
Mentha piperita
Origanum majorana(w)
Origanum vulgare(w)
Pelargonium odoratissimum(w)
Rosmarinus officinalis(w)
Rosmarinus horizontalis(w)
Salvia officinalis(w)
Thymus vulgaris(w) Vines: Bignonia (Tecomaria) capensis(w)
Bougainvilea glabra
Bougainvilea spectabilis
Campsis (Bignonia) radicans(w)
Hedera canariensis
Jasminum azoricum(w)
Jasminum grandiflorum
Jasminum polyanthum
Ìandevilla laxa
Pandorea semperflorens
Passiflora caerulea
Podranea ricasoliana
Solanum jasminoides
Wisteria sinensis Sukkulents Cacti: Aeonium arboreum(w)
Agave americana(w)
Agave americana 'variegata'(w)
Agave attenuata(w)
Agave ferox(w)
Agave victoriae-reginae(w)
Aloe arborescens(w)
Aloe aristahe(w)
Aloe ferox(w)
Aloe striata(w)
Aloe variegata(w)
Dasylirion serratifolium(w)
Opuntia and other(w) If the northern wind affect your pergola the bougainvilleas will not do well.
B.glabra is a bit harder than B.spectabilis,but both loose flowers and leaves when the wind is strong. | 
