be, arr. nivelles, geranium macrorrhizum, nigella damascena, aubrieta deltoidea, cotoneaster franchetii, cerastium tomentosum, euphorbia lathyris, hibiscus syriacus, papaver somniferum, eschscholzia californica, tanacetum parthenium, melissa officinalis, levisticum officinale, arum italicum, syringa vulgaris, philadelphus coronarius, prunus persica, stachys byzantina, dasiphora fruticosa, cotinus coggygria, hypericum calycinum, cosmos bipinnatus, prunus lusitanica, pyrus communis, lysimachia punctata, salvia officinalis, juglans regia, borago officinalis, hemerocallis fulva, picea pungens, phacelia tanacetifolia, lapsana communis, rhus typhina, leycesteria formosa, ribes rubrum, vinca major, lactuca sativa, mercurialis annua, dianthus barbatus, nicandra physalodes, cymbalaria muralis, buxus sempervirens, sorbaria sorbifolia, hyacinthus orientalis, hypericum androsaemum, alcea rosea, convolvulus tricolor, cyclamen hederifolium, brassica oleracea, lobularia maritima, ribes uva-crispa