The MGS seed exchange

The photograph at the top of this page shows part of the seed head of Tragopogon porrifolius (Photo Jorun Tharaldsen)

Chantal Guiraud runs the MGS seed exchange which is a service totally free to MGS members. She renews the list regularly and gives advice on what to sow in each season.

See Seed Workshop at the Home of Chantal Guiraud for advice on how to propagate from seeds.

Seed List - July 2022

Chantal Guiraud would like to thank once again our generous donors who have made it possible to add 24 new species to our seed list. These seeds come from Australia, Chile, Ecuador, France and Greece.

Furthermore, Jan-Willem Vos of the Château Pérouse (see his article in TMG 103) has most generously made available to MGS members his Index Seminum containing around 1600 taxa, for which the link is here. The seed from this list should be ordered as usual through Chantal.

Pierre Bianchi, living in the south of France near Perpignan in an area known as the “orange tree zone" (in relation to the climate), has offered us some seeds of interesting species. Here is the list:

• Agave ovatifolia
• Brachychiton acerifolius: “flame tree”
• Brachychiton discolor
• Brachychiton populneus: notice the stocky trunk
• Brachychiton x roseus: hybrid between B. acerifolius and B. populneus
• Parkinsonia aculeata: easy germination
• Tabebuia rosea: easy germination

In addition, he has selected a few species of eucalyptus among those from dry areas of Australia, rare in cultivation, small and medium in size. He has been growing them successfully for several years near Perpignan, in his Oasis garden. These species are of decorative appearance all year round and often in their flowering; resistant to the drought of the French Mediterranean South (annual rainfall of more than 450 mm) and to attacks by Phoracantha. They are also quite resistant to cold (at least -7 C when equipped with a lignotuber) and often to calcareous soils (except very basic tuff). Often too a good source of nectar. In addition, these species are easy to multiply by sowing seed at home. Here is what he tells us:

• Eucalyptus albopurpurea: native to very coastal areas of Southern Australia (end of the Eyre Peninsula and Kangaroo Island). Small eucalyptus (5 to 8m high) with smooth brown bark on the trunk, color combining cream, green and purplish on the branches, narrow crown of small green leaves, flowering most often pink or mauve (sometimes white). This flowering, discreet in youth, intensifies later and occurs several times a year, intact at -7 C, adapts to most soils, supports coastal conditions. It is the only eucalyptus that can have a purple bloom. Good source of nectar.
• Eucalyptus caleyi subsp. caleyi: Native to a fairly cold and dry area of ​​Australia (New South Wales Plateau on the western slope). It is a medium-sized eucalyptus (8 to 15 m high), but with a fairly narrow crown, with a rough and persistent bark qualified as iron bark (a little messy in the garden). The glaucous foliage is cascading, the abundant white flowering is visible in mid and late autumn. It is unharmed down to -7 C (lignotuber), very reasonably resistant to drought and adapts to most soils except very clayey and/or very calcareous ones. Good source of nectar.
• Eucalyptus lehmannii subsp. parallela: species of recent description (2008) extremely rare in cultivation (even in Australia), originating from the coastal areas of Western Australia on rocky and acid soil, it is a very small (2 to 4 m in top) mallee with several trunks and a lignotuber. Its grey bark is smooth and peeling, the green foliage is light, both flowers and fruits are very decorative: they are carried by long flattened petioles and welded into a large oval mass, bearing very long reddish operculums which, falling, release greenish-yellow flowers grouped in rounded masses. After flowering, large woody, rounded, bumpy fruits with long spikes are formed. The seeds were collected at an altitude of 200 m in West Mount Barren, south of Perth, and therefore, its maximum cold hardiness remains to be determined (undamaged at -4 C briefly). It will probably prefer a well-drained and acidic soil and tolerates pruning well and cultivation near a coast quite well.
• Eucalyptus petiolaris: Species close to E. leucoxylon, native to the Eyre Peninsula in South Australia, small eucalyptus (5 to 10 m high) with smooth cream-green peeling bark, prominent and decorative lignotuber, light green foliage, long flowering from mid-October to April, coloured in 2/3 of the cases of plants sown from a red-flowering individual, either with red or bright pink. Unharmed at -7 C (grown for 30 years in Roussillon). Accepts calcareous, moderately clayey, slightly salty soils. Slow to moderate growth. Extremely melliferous.

How to order seeds 
All MGS members may order 10 packets per year. If you contribute seeds to the exchange then you may order 15 packets per year. There is no cost. Please remember that all members are responsible for complying with their local laws. You may order seed from Chantal at the address below or by emailing her. Do not forget to include your name and address when you request seeds.

Chantal requests “Please remember when you order seeds to give me alternatives to the ten species you are requesting in case stocks of them are exhausted.”

How to send seeds
The seeds should be removed from their pods or protective covering, then placed in paper envelopes (not plastic) and well sealed. On the envelope please write: the donor’s name, the scientific name of the plant, the year and location in which the seed was harvested. Chantal accepts all seeds, though with a preference for those of plants from mediterranean-climate areas.
Seed donations should be sent to: 
Chantal Guiraud 
75 rue de la Vieille Poste 
34 000 Montpellier 
France

Note - The seeds in this list are exchanged between garden lovers, entirely on their own responsibility. In particular the MGS bears no responsibility for accuracy of naming or for germination. This seed exchange is in no way a commercial transaction to which any specific regulations apply. Seed from hybrid plants (cultivars) may produce plants which do not have all the characteristics of the parent plant.

Newly added species

Achillea ageratum 'Moon Walker' - Greece
Agapanthus sp. - France
Agave ovatifolia - France
Alcea rosea (pink) - France
Alcea rosea (white with violet centre) - France
Allium geyeri - Belgium
Allium neapolitanum - Greece
Anisodontea capensis* - France
Antirrhinum siculum - Italy
Aristolochia gigantea* - Portugal
Bellevalia paradoxa - Belgium
Brachychiton acerifolius - France
Brachychiton discolor - France
Brachychiton populneus - France
Brachychiton x roseus - France
Camassia leichtlinii (pale pink) - Belgium
Cantua buxifolia* - France
Capparis spinosa - France
Caragana arborescens - France
Caryopteris incana - Italy
Ceanothus arboreus - France
Cerinthe retorta - France
Chelone lyonii - Belgium
Colutea paulsenii - France
Convolvulus tricolor - Portugal
Cyrtanthus obliquus - France
Digitalis purpurea - France
Eryngium pandanifolium* - Germany
Eschscholzia californica* - France
Eschscholzia lobbii - Greece
Eucalyptus albopurpurea - France
Eucalyptus caleyi - France
Eucalyptus lehmannii subsp. parallela - France
Eucalyptus leucoxylon subsp. petiolaris - France
Euphorbia mellifera* - France
Fritillaria hermonis - Belgium
Gambelia speciosa - Italy
Glaucium flavum - Spain
Ginkgo biloba - France
Gloriosa superba* - Spain
Hyssopus officinalis - Germany
Indigofera heterantha* - France
Inula helenium - France
Iris foetidissima var. citrina - Belgium
Isatis tinctoria - France
Ixiolirion tataricum - Belgium
Koelreuteria paniculata - Italy
Lachenalia quadricolor syn Lachenalia aloides var. quadricolor* - Portugal
Lavatera punctata - Malta
Limonium ramosissimum - France
Linum grandiflorum* - Spain
Linum perenne - Germany
Magnolia wilsonii* - Belgium
Malva arborea - France
Melia azedarach - Spain
Metrosideros excelsa - New Zealand
Nicotiana langsdorffii* - France
Oenothera biennis - Italy
Olearia 'Roscoff' - France
Ornithogalum dubium* - South Africa
Pachystegia insignis - France
Paeonia daurica subsp. mlokosewitschii* - Belgium
Paeonia obovata - Belgium
Papaver dubium - Spain
Papaver glaucum - Greece
Parkinsonia aculeata - France
Pavonia spinifex - Italy
Peucedanum verticillare - Belgium
Phacelia bolanderi - Belgium
Phlomis purpurea 'Alba' - Spain
Phormium tenax - France
Punica granatum 'Nana'* - France
Ranunculus creticus - France
Ranunculus gramineus - Spain
Rhaponticum coniferum - France
Ruta graveolens - Germany
Salvia multicaulis* - Italy
Salvia pomifera - Spain
Sarcopoterium spinosum - France
Sonchus congestus - France
Styrax officinalis - France
Tabebuia rosea - France
Tragopogon porrifolius - Spain
Trifolium incarnatum - Italy
Tulipa saxatilis - France
Vigna caracalla - Spain
Zinnia haageana 'Old Mexico’* - USA

A  B  C  D  E  F  G  H  I   J  K  L  M  N  O  P  R  S  T  V  X  Z 

 ( * = Award of Garden Merit, given by the Royal Horticultural Society)

Seed list July 2022
Acacia adunca - France
Acacia boormanii - France
Acacia covenyi - France
Acacia cultriformis - France
Acacia dealbata* - Spain
Acacia farnesiana - France
Acacia fimbriata - France
Acacia imbricate - France
Acacia iteaphylla - France
Acacia saligna - Spain
Acacia semilunata - France
Acacia spectabilis - USA
Acacia uncinata - France
Acacia verticillata - France
Acacia vestita - France
Acacia vestita 'Sainte Hélène' - France
Acanthus mollis - Spain
Achillea ageratum 'Moon Walker' - Greece
Achillea coarctata - France
Achillea filipendulina - France
Achillea sp. - Greece
Achillea umbellata - Spain
Agapanthus sp. - France
Agave ovatifolia - France
Aichryson laxum - USA
Albuca namaquensis - France
Albuca nelsonii - France
Alcea rosea (pink) - France
Alcea rosea (white with violet centre) - France
Alcea rugosa - France
Allium cristophii* - France
Allium fistulosum - France
Allium geyeri - Belgium
Allium neapolitanum - Greece
Allium senescens* - Belgium
Allium triquetrum - France
Allium tuberosum - France
Alstroemeria ligtu syn. Alstroemeria caryophyllaea – Chile
Alstroemeria pulchra - Chile
Althaea cannabina - France
Alyogyne huegelii - Greece
Amaryllis belladonna* syn. Hippeastrum puniceum - Australia
Ampelodesmos mauritanicus* - France
Ampelopsis glandulosa f. elegans - France
Amsonia tabernaemontana - France
Anisodontea capensis* - France
Anisodontea malvastroides - France
Anthericum liliago - Belgium
Antirrhinum majus - Portugal
Antirrhinum siculum - Italy
Aquilegia vulgaris - Turkey
Araucaria columnaris syn. Araucaria excelsa - Spain
Argemone ochroleuca - Belgium
Aristolochia gigantea* - Portugal
Asclepias incarnata 'Ice Ballet' - USA
Asparagus aethiopicus (syn. Asparagus sprengeri) - Turkey
Asperula taurina - Belgium
Asphodeline liburnica - France
Asphodeline lutea - Spain
Asphodelus ramosus - France
Asplenium scolopendrium* - France
Asteriscus sericeus - Spain
Azara dentata - Belgium
Babiana framesii - France
Babiana nervosa - France
Ballota pseudodictamnus* - Greece
Baptisia australis - USA
Bartlettina sordida - India
Bauhinia variegata - Spain
Bauhinia yunnanensis - France
Begonia grandis* - France
Begonia dregei - France
Bellevalia paradoxa - Belgium
Beschorneria yuccoides* - France
Billardiera longiflora* - USA
Borago officinalis 'Alba' - Spain
Brachychiton acerifolius - France
Brachychiton discolor - France
Brachychiton populneus - France
Brachychiton x roseus - France
Brahea armata* - USA
Brodiaea californica - France
Bulbine frutescens - Spain
Caesalpinia gilliesii* - Greece
Calamagrostis arundinacea - France
Calceolaria integrifolia* - USA
Calendula officinalis - France
Calicotome villosa - France
Callicarpa acuminata - France
Callistemon citrinus - Portugal
Callistemon macropunctatus (syn. Melaleuca rugulosa)
Callistemon viminalis - Portugal
Calotropis procera - Jordan
Camassia leichtlinii (pale pink) - Belgium
Camissoniopsis cheiranthifolia - USA
Campanula pyramidalis - France
Camptosema rubicundum - France
Canna indica - Spain
Canna iridiflora - USA
Canna patens syn Canna indica - Norway
Cantua buxifolia* - France
Capparis spinosa - France
Caragana arborescens - France
Cardiospermum halicacabum - France
Carissa bispinosa - Spain
Caryopteris incana - Italy
Catananche caerulea - Great Britain
Catananche caerulea 'Tizi n'Test' - France
Ceanothus arboreus - France
Cedrela odorata - Ecuador
Cedrus libani - Spain
Cenolophium denudatum* - USA
Ceratostigma willmottianum* - France
Cerinthe major subsp. purpurascens - Cyprus
Cerinthe retorta - France
Chamaerops humilis* - Spain
Chasmanthium latifolium - France
Cheirolophus canariensis subsp. subexpinnata - Italy
Cheirolophus intybaceus - Germany
Chelone lyonii - Belgium
Chimonanthus praecox - France
Cistus criticus - Greece
Cistus salviifolius - Portugal
Clarkia biloba - USA
Clematis integrifolia - France
Clematis ladakhiana - Australia
Clematis mandschurica - France
Cneorum tricoccon - France
Colutea paulsenii - France
Convolvulus tricolor - Portugal
Coreopsis gigantea - Spain
Coriaria myrtifolia - France
Corynabutilon x suntense (syn. Abutilon x suntense) - Belgium
Cosmos bipinnatus - Turkey
Cosmos sulphureus - France
Cotula lineariloba - France
Crithmum maritimum - France
Crocosmia 'Lucifer'* - USA
Crocosmia × crocosmiiflora - Greece
Crocus goulimyi - Greece
Crupina crupinastrum - Greece
Cryptocarya alba - Chile
Cyclamen coum* - Great Britain
Cyclamen hederifolium* - Great Britain
Cyclamen libanoticum - France
Cyclamen persicum - Greece
Cyclanthera pedate - France
Cynara cardunculus* - France
Cyrtanthus obliquus - France
Dais cotinifolia - USA
Deinandra corymbosa - USA
Delphinium staphisagria - France
Dianthus anatolicus - Spain
Dianthus broteroi - Spain
Dianthus carthusianorum - France
Dianthus giganteus - Italy
Dianthus rupicola - Spain
Dierama pulcherrimum - USA
Dietes grandiflora - France
Digitalis lanata - Greece
Digitalis obscura - France
Digitalis purpurea - France
Dodonaea viscosa - Turkey
Dodonaea viscosa 'Purpurea' - France
Dolichandra unguis-cati (syn. Macfadyena unguis-cati)* - France
Dorycnium hirsutum - USA
Drimia pancration - Malta
Dryopteris filix-mas - France
Duranta erecta - France
Echinops spinosissimus - France
Echium candicans* - France
Echium fastuosum - Spain
Encelia farinosa - France
Epilobium canum - USA
Eremurus robustus* - PBS
Erigeron karvinskianus* - France
Eriogonum grande var. rubescens - USA
Eriogonum latifolium - USA
Eriogonum parvifolium - USA
Eriosyce subgibbosa - Chile
Eryngium giganteum 'Miss Willmott's Ghost' - USA
Eryngium giganteum 'Silver Ghost'* - Great Britain
Eryngium pandanifolium* - Germany
Erysimum x cheiri - France
Erysimum menziesii - USA
Eschscholzia californica* - France
Eschscholzia lobbii - Greece
Eucalyptus albopurpurea - France
Eucalyptus caleyi - France
Eucalyptus lehmannii subsp. parallela - France
Eucalyptus leucoxylon - France
Eucalyptus leucoxylon subsp. megalocarpa - France
Eucalyptus petiolaris - France
Eucalyptus torquata - Morocco
Euonymus europaeus - Greece
Euphorbia bivonae - Spain
Euphorbia mellifera* - France
Euphorbia myrsinites* - Belgium
Euryops pectinatus* - France
Felicia fruticosa - Italy
Francoa appendiculata - USA
Francoa sonchifolia - USA
Freesia alba - France
Freesia laxa (white form)* - Greece
Freesia laxa (red form) - Italy
Freesia laxa (salmon with red spots) - USA
Freesia leichtlinii - Greece
Freylinia lanceolata - France
Fritillaria hermonis - Belgium
Fuchsia boliviana - USA
Fuchsia paniculata* - USA
Gaillardia aristata - Turkey
Gambelia speciosa - Italy
Gasteria baylissiana - France
Gasteria bicolor var. liliputana* syn Gasteria obliqua - USA
Gasteria obliqua - USA
Gaura lindheimeri* - France
Geranium maderense* - France
Geranium pyrenaicum - Belgium
Geranium pyrenaicum ‘Bill Wallis’ - Belgium
Geum magellanicum 'Lady Stratheden'* - Great Britain
Gilia capitata -
Ginkgo biloba - France
Gladiolus carneus - Australia
Gladiolus cunonia - Australia
Gladiolus tristis - Greece
Glaucium flavum - Spain
Gloriosa superba* - Spain
Hakonechloa macra - France
Halimium voldii - Greece
Haloragis erecta - France
Helichrysum orientale - France
Hesperaloe parviflora - Spain
Heteropterys glabra - Australia
Hibiscus coccineus - France
Hibiscus mutabilis* - France
Hibiscus sabdariffa - France
Hymenosporum flavum - Portugal
Hyssopus officinalis - Germany
Iberis sempervirens - France
Indigofera heterantha* - France
Inula helenium - France
Ipheion ‘Alberto Castillo’* - Belgium
Ipomoea alba - Portugal
Ipomoea purpurea 'Knolia's Black' - Tanzania
Ipomoea 'Royal Ensign' - Italy
Ipomoea 'Star of Yalta' - Italy
Ipomoea 'Sunrise Serenade' - Tanzania
Iris domestica (syn. Belamcanda chinensis) - France
Iris foetidissima* - Italy
Iris foetidissima var. citrina - Belgium
Iris graminea* - France
Iris orientalis* - France
Isatis tinctoria - France
Ixiolirion tataricum - Belgium
Jacobaea maritima - Greece
Juniperus oxycedrus - Spain
Kirengeshoma palmata - USA
Kitaibelia vitifolia - USA
Klasea bulgarica - Belgium
Kniphofia sarmentosa - France
Koelreuteria paniculata - Italy
Lachenalia mathewsii - Australia
Lachenalia quadricolor syn Lachenalia aloides var. quadricolor* - Portugal
Lapeirousia arenicola - USA
Lathyrus latifolius - France
Lathyrus odoratus 'Matucana'* - France
Lathyrus odoratus x belinensis 'Erewhon' - USA
Lathyrus vernus 'Alboroseus'* - Great Britain
Lavandula dentata - France
Lavatera punctata - Malta
Lavatera x clementii 'Bredon Springs'* - USA
Ledebouria socialis - France
Leopoldia comosa - France
Libertia chilensis* - France
Lilium candidum - Greece
Lilium henryi* - France
Lilium pumilum - Australia
Lilium regale* - USA
Limonium perezii - USA
Limonium ramosissimum - France
Linum grandiflorum* - Spain
Linum perenne - Germany
Liriope muscari* - France
Lomelosia cretica - Spain
Lomelosia minoana - France
Lophospermum erubescens* - France
Lophospermum scandens 'Snowwhite' - France
Lunaria annua - France
Lunaria annua 'Alba Variegata'* - Greece
Lupinus chamissonis - USA
Lupinus pubescens - Ecuador
Mackaya bella* - France
Magnolia wilsonii* - Belgium
Mahonia japonica* - Spain
Malva arborea - France
Malvastrum lateritium - France
Mandevilla laxa* - Greece
Mandragora officinarum - France
Manihot grahamii - France
Marcetella maderensis - France
Marrubium supinum - France
Massonia pustulata* -USA
Massonia pustulata (Green Form)* - Greece
Matthiola fruticulosa - Greece
Matthiola incana - Italy
Matthiola sinuata - France
Maurandya barclayana (syn. Asarina barclaiana) - France
Melaleuca diosmifolia - Italy
Melaleuca elliptica - France
Melaleuca ericifolia - Spain
Melaleuca lanceolata - Australia
Melia azedarach - Spain
Melianthus major* - Spain
Melica ciliata - Belgium
Metrosideros excelsa - New Zealand
Mirabilis jalapa - France
Moraea bipartita - France
Muscari armeniacum - France
Muscari botryoides - Belgium
Nandina domestica* - France
Narcissus bulbocodium* - Germany
Nerium oleander* - Greece
Nicandra physalodes - Greece
Nicotiana langsdorffii* - France
Nicotiana sylvestris* - France
Nigella ciliaris - Cyprus
Nigella damascena - France
Nigella damascena (white) - Spain
Ocimum basilicum - France
Oenothera biennis - Italy
Oenothera elata - USA
Oenothera odorata - France
Oenothera tetragona - Portugal
Olearia 'Roscoff' - France
Omphalodes linifolia* - Belgium
Onosma graeca - Greece
Ophiopogon planiscapus 'Nigrescens'* - France
Origanum dictamnus - France
Orlaya grandiflora* - France
Ornithogalum candicans - USA
Ornithogalum dubium* - South Africa
Ornithogalum nutans* - Belgium
Pachystegia insignis - France
Paeonia obovata - Belgium
Paeonia officinalis - France
Paeonia ostii - Australia
Paliurus spina-christi - Australia
Pancratium maritimum - Portugal
Papaver atlanticum - France
Papaver dubium - Spain
Papaver glaucum - Greece
Papaver orientale - France
Papaver rhoeas - South Africa
Papaver rhoeas 'American Legion' - USA
Papaver rhoeas Mother of Pearl Group - France
Papaver somniferum (dark purple) - South Africa
Papaver somniferum (mixed colours) - Norway
Papaver somniferum Paeoniiflorum Group (pink) - France
Papaver somniferum Paeoniiflorum Group (red) - France
Papaver somniferum (pink) - Greece
Parkinsonia aculeata - France
Passiflora capsularis 'Vanilla Cream' - France
Paulownia tomentosa* - Portugal
Pavonia hastata - France
Pavonia missionum - France
Pavonia spinifex - Italy
Pennisetum alopecuroides var. viridescens - Turkey
Pennisetum massaicum 'Red Buttons' - Spain
Penstemon 'Red Rocks' - USA
Penstemon digitalis 'Mystica' - France
Penstemon eatonii - Greece
Penstemon hirsutus - France
Pericallis hybrida - Spain
Perilla frutescens - Greece
Perilla frutescens var. crispa* - France
Peucedanum verticillare - Belgium
Phacelia bolanderi - Belgium
Phlomis fruticosa* - France
Phlomis leucophracta - Spain
Phlomis lychnitis - Spain
Phlomis purpurea 'Alba' - Spain
Phlomis samia - France
Phormium tenax - France
Physostegia virginiana - France
Pittosporum tobira* - France
Platycodon grandifloras* - France
Psephellus bellus (syn. Centaurea bella) - France
Ptilostemon chamaepeuce - France
Punica granatum 'Nana'* - France
Puya mirabilis - France
Ranunculus creticus - France
Ranunculus gramineus - Spain
Rehmannia elata* - France
Retama monosperma - Spain
Retama sphaerocarpa - Portugal
Rhaphiolepis umbellata - Spain
Rhaponticum coniferum - France
Rhodotypos scandens - France
Rhus integrifolia - USA
Ricinus communis 'Carmencita'* - France
Robinia pseudoacacia - France
Roldana petasitis - Cyprus
Rudbeckia fulgida 'Goldsturm'* - USA
Ruellia makoyana - USA
Ruellia nudiflora - France
Ruta graveolens - Germany
Ruta odorata - USA
Sabal minor - Turkey
Sabal palmetto - Turkey
Salvia africana-caerulea - Greece
Salvia africana-lutea - Australia
Salvia apiana - France
Salvia bulleyana - USA
Salvia candelabrum* - France
Salvia eigii - Greece
Salvia forsskaolei - Belgium
Salvia hierosolymitana - USA
Salvia indica - Cyprus
Salvia interrupta - France
Salvia lyrata 'Purple Knockout' - Italy
Salvia merjamie - France
Salvia multicaulis* - Italy
Salvia munzii - France
Salvia namaensis - Italy
Salvia nubicola - USA
Salvia palaestina - Greece
Salvia pinnata - Italy
Salvia pomifera - Spain
Salvia sclarea - France
Salvia tingitana - France
Salvia viridis 'Pink Sundae' - Cyprus
Salvia viscosa - France
Santolina x lindavica - France
Sarcopoterium spinosum - France
Scabiosa cretica - Spain
Scabiosa hymettia - France
Scabiosa japonica - Belgium
Scaligeria napiformis - Greece
Scilla peruviana - France
Scutellaria indica var. parvifolia - Belgium
Senecio linifolius - France
Senecio sempervivus - France
Senna candolleana - Chile
Senna occidentalis - Turkey
Sesbania punicea - France
Sideritis cypria - Spain
Silene coronaria - France
Silene coronaria 'Alba' - France
Sisyrinchium angustifolium - France
Sisyrinchium californicum - USA
Sisyrinchium striatum - France
Sonchus acaulis - Italy
Sonchus congestus - France
Sophora davidii - France
Sophora macrocarpa - Chile
Spartium junceum* - Portugal
Staehelina dubia - Portugal
Strelitzia nicolai - Spain
Styphnolobium japonicum - Great Britain
Styrax hemsleyanus* - USA
Styrax officinalis - France
Tabebuia rosea - France
Tagetes lemmonii - France
Talinum paniculatum - France
Tanacetum cinerariifolium - France
Tanacetum haradjanii - Spain
Taxodium distichum - France
Tecoma fulva subsp. garrocha - France
Tecoma stans* - Ecuador
Tellima grandiflora - Italy
Teucrium flavum - Spain
Teucrium hircanicum - France
Teucrium kotschyanum - Cyprus
Thymus mastichina - Spain
Tithonia rotundifolia 'Red Torch' - France
Trachelium caeruleum* - Portugal
Trachelospermum asiaticum* - France
Trachelospermum jasminoides* - France
Tragopogon porrifolius - Spain
Trifolium incarnatum - Italy
Trifolium repens - Turkey
Triteleia laxa 'Queen Fabiola' - USA
Tritonia crocata* - France
Tritonia deusta - France
Tulbaghia violacea* - France
Tulipa saxatilis - France
Veltheimia bracteata* - Australia
Verbascum blattaria f. albiflora - Belgium
Verbena rigida - France
Vigna caracalla - Spain
Vitex agnus-castus - Greece
Xanthoceras sorbifolium* - France
Zinnia haageana 'Old Mexico’* - USA

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