Plants
Yellow Horned PoppyGlaucium flavumYellow LavenderLavandula viridis
Yellow LoosestrifeLysimachia vulgarisYellow MilfoilAchillea tomentosa
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Yellow Ophrys, OrchidOphrys lutea
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Yellow Pear Tomato
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Yellow Rattle, Hay RattleRhinanthus minor
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Yellow skunk cabbageLysichiton americanus
Yellow Water-lilyNuphar lutea-
Yellow wax bells
Yellow Wild IrisDietes bicolor
Yew Taxus baccata
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Yew 'Fructo Lutea'Taxus baccata 'Fructo Lutea'
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Yew 'Standishii'Taxus baccata 'Standishii'
Young's weeping birchBetula pendula 'Youngii'
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Young's weeping birch, Swedish BirchBetula pendula 'Laciniata' syn. Betula pendula 'Dalecarlica'
YucaYucca faxoniana
Yucca CaneYucca Elephantipes
Yucca flaccida 'Golden Sword'Yucca flaccida 'Golden Sword'
zantedeschia carmine redzantedeschia carmine red
Zanthedeschia 'treasure'Zanthedeschia 'treasure'
Zanzibar GemZamioculcas
Zea mays saccharata 'Early Extra Sweet F1'Zea mays saccharata 'Early Extra Sweet F1'
Zea mays ssp. maysZea mays ssp. mays
Zea mays var. saccharataZea mays var. saccharata
Zebra IrisIris pallida
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Zebra plantCalathea Zebrina
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Zephyr lily, Rain lily, Fairy lily.Zephyranthus candida
Zingiber officinaleZingiber officinale
ZinniaZinnia Hybrida
ZinniaZinnia elegans
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Zinnia 'Early Wonder'Zinnia 'Early Wonder'
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Zinnia 'Goldeneye'Zinnia 'Goldeneye'
Zinnia 'Star White'Zinnia angustifolia 'Star White'
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Zinnia 'Swizzle Scarlet & Yellow'Zinnia 'Swizzle Scarlet & Yellow'