Helianthus angustifolius Helianthus angustifolius 'Gold Lace'
Helianthus annuus Helianthus annuus '7111'
Helianthus annuus 'Bashful' Helianthus annuus 'Big Smile'
Helianthus annuus 'Color Fashion' Helianthus annuus 'Florenza'
Helianthus annuus 'Golden Cheer' Helianthus annuus 'Ikarus'
Helianthus annuus 'Lemon Aura' Helianthus annuus 'Lemon Queen'
Helianthus annuus 'Mammoth Russian' Helianthus annuus 'Ring of Fire'
Helianthus annuus 'Soraya' Helianthus annuus 'Starbust Lemon Aura'
Helianthus annuus 'Sundance Kid' Helianthus annuus 'Sunset'
Helianthus annuus 'Sunspot' Helianthus annuus 'Teddy Bear'
Helianthus annuus 'Zebulon' Helianthus debilis
Helianthus debilis 'Sunspot' Helianthus giganteus 'Shiela's Sunshine'
Helianthus maximilianii Helianthus microcephalus
Helianthus x multiflorus Helianthus salicifolius
Helianthus salicifolius 'First Light' Helianthus salicifolius 'Low Down'
Helianthus tuberosus Helichrysum 'Ruby Cluster'
Helichrysum 'Silver Star' Helichrysum bracteatum 'Bright Bikinis'
Helichrysum bracteatum 'Florabella Lemon' Helichrysum bracteatum 'Gold Bikini'
Helichrysum cymosum ssp. cymosum Helichrysum italicum
Helichrysum italicum 'Nana' Helichrysum italicum ssp. serotinum
Helichrysum montanum Helichrysum petiolare
Helichrysum petiolare 'Limelight' Helichrysum petiolare 'Schweffellight'
Helichrysum petiolare 'Variegatum' Heliconia densiflora 'Fire Flash'
Heliconia guyana Heliconia orthotricha
Helictotrichon sempervirens Helictotrichon sempervirens 'Sapphire'
Heliopsis helianthoides Heliopsis helianthoides 'Ballerina'
Heliopsis helianthoides 'Bressingham Doubloon' Heliopsis helianthoides 'Loraine Sunshine'
Heliopsis helianthoides 'Prairie Sunset' Heliopsis helianthoides 'Summer Nights'
Heliopsis helianthoides 'Summer Sun' Heliopsis helianthoides ssp. scabra
Heliopsis helianthoides ssp. scabra 'Gold Greenheart' Heliopsis helianthoides ssp. scabra 'Golden Plume'
Heliotropium amplexicaule Heliotropium angiospermum
Heliotropium arborescens Heliotropium arborescens 'Atlantis'
Heliotropium arborescens 'Marine' Helleborus x
Helleborus x 'Gold Finch' Helleborus x 'HDC Pink Frost'
Helleborus x 'Kingston Cardinal' Helleborus x 'Royal Heritage™'
Helleborus x 'Snow Bunting' Helleborus 'Walhelivor (Ivory Prince)'
Helleborus argutifolius Helleborus atrorubens
Helleborus x ericsmithii 'HGC Maestro' Helleborus x ericsmithii 'HGC Silvermoon'
Helleborus foetidus Helleborus foetidus 'Variegata'
Helleborus niger Helleborus niger 'HGC Green Corsican'
Helleborus niger 'HGC Jacob' Helleborus niger 'HGC Josef Lemper'
Helleborus x nigercors 'Green Heron' Helleborus orientalis
Helleborus orientalis 'Winter Joy Bouquet' Helleborus x sternii
Helleborus x sternii 'Ashwood Garden Strain' Helleborus x sternii 'Blackthorn'
Helleborus x sternii 'Boughton Beauty' Helleborus torquatus
Helleborus viridis Helonias bullata