Plant Number Plant Number Plant NumberGladiolus 4,500 Artemisia 450 Ageratum 175Nasturtium 3,800 Abutilon 425 Helianthus 170Aster 3,275 Celosia 400 Nemophila 150Chrysanthemum 2,698 Torenia 400 Amaranthus 125Carnation 2,414 Begonia 400 Gomphrena 125Dianthus 2,275 Mignonette 400 Helichrysum 125Phlox 2,075 Marigold 300 Convolvulus 125

Alternanthera 2,000 Vinca 280 Oenothera 100

Salvia 1,975 Gaillardia 250 Browallia 100Verbena 1,950 Balsam 250 Lobelia 100Candytuft 1,800 Godieta 250 Rudbeckia 100Delphinium 1,600 Feverfew 200 Datura 75Coleus 1,300 Canna 200 Scabiosa 75Geranium 950 Calendula 200 Clarkia 75Zinnia 850 Dahlia 200 Lupinus 75Cosmos 800 Alyssum 200 Gypsophilla 75Petunia 850 Eschscholtzia 200 Ammobium 50Poppy 550 Calliopsis 200 Lychnis 25

Snapdragon 450 Nicotiana 175

Annual Plants in Arboretum in 1903

Wall with “Spring Houses” separated annual flower beds from perennial collection.

1923

1870’s

1880

1893

1900

Main entrance lined with the first living fossil Gingko trees imported into the US.

1890’s

1927

Original Gingko at site today

The remainder of the Arboretum landscaped in native US trees & shrubs.

AcerBerberisCeltisCytisusGelsemiumKerriaMeuziesiaPinusSageretiaSyringaAesculusBerchemiaCephalanthusDabocciaGenistaKoelreuteriaMorusPistaciaSalisburiaTamarixBenthamia

Trees & Shrubs in Arboretum in 1903

AilanthusBetulaCephalotaxusDaphneGleditschiaLaburnumMygindaPlaneraSalixTaxodiumAkebiaBignoniaCercisDecumariaGlyptostrobusLagerstroemiaMyricaPlantanusSambucusTecomaCelastrus

AlbizzaBiotaChimonanthusDeutziaGordoniaLarixNageiaPopulusSarothamnusTetrantheraAlnusBroussonetiaChiogenesDiervillaGymnocladusLaurusNegundoPotentillaSassafrasThujaCydonia

AmelanchierBuddleaChionanthusDiospyrusHalesiaLedumNemopanthesPrunusSchizandraThujopsisAmorphaBuxusCladrastisDircaHamamelisLeiophyllumNyssaPseudolarixSchizonotusTiliaGaylussacia

ArbutusCassandraCorylusForestieraIteaLoiseleuriaPaulowniaRhamnusStaphyleaVitexArctostaphylosCassiopeCotoneasterForsythiaIvaLoniceraPeriplocaRhododondronStauntoniaWisteriaKalmia

AmygdalopsisCallicarpaClethraElaeagnusHederaLeucothoeOleaPteleaSciadopitysTorreyaAmygdalusCalycauthusCocculusEpigaeaHibiscusLeycesteriaOnonisPterocaryaSequoiaTsugaMenispermum

AndromedaCalycocarpumColuteaEuonymusHippophaeLigustrumOrnusPunicaShepherdiaUlexAndrosaemumCaraganaComptoniaFagusHydrangeaLinderaOstryaPyrusSophoraUlmusPicea

AraliaCarpinusCoriariaFicusHypericumLiquidambarOxydenronQuercusSpartiumVacciniumAraucariaCaryaCornusFontanesiaIlexLiriodendronPaliurusRetinosporaSpireaViburnumRubus

ArtemisiaCastaneaCrataegusFothergillaJasminumMacluraPernettyaRhodoraSterculiaZanthoxylumAsimenaCatalpaCryptomeriaFrangulaJuglansMagnoliaPerseaRhusStuartiaZizyphusSymplocos

AzaleaCeanothusCunninghamiaFraxinusJuniperusMahoniaPhiladelphusRibesStyraxTamarixBaccharisCedrusCupressusGarryaKadsuraMeliaPhyllodoceRobinaSymphoricarpusTaxodiumTecoma

Trees & Shrubs in Arboretum (continued)

1870’s

Hura crepitansIpomoea purgaJatropha curcasBixa orellanaManihot utillissimaTheobroma cacaoAndropogon schoenanthusElletaria cardamomumAmomum meleguetaTamarindus indicaAsclepias curassacicaSesamum indicumCinchona sp.Abrus pracatoriusLaurus camphoraAcacia catechuMesua ferrca

Tropical Economic Plants in Arboretum Conservatory

Dorstenia brasiliensisHoematoxylon campechianumDracena dracoPterocarpus marsupiumCroton tigliumElaeis guineensisMusa cavendishiiMusa textilisPsidium sp.Garcinia mangostanaMamea americanaAchras sapotaLimonia americanaMangefera indicaChrysophyllum cainitoPapaya vulgarisMonstera deliciosa

Illicium floridanumAscepias sp.Bromelia sp.Urtica sp.Poederia foetidaBoehmeria niveaCorchorus capsularisGuilandina bonducPiper betelClusia flavaPiper cubebaHibiscus sp.Nephelium longanumAnona cherimoliaAnacardium occidentalePhoenix dactyliferaBertholletia excelsa