A few

Tulipa 'Lucky Strike'
Saintpaulia 'Lucky Lee Ann'
I think a few roses have the word lucky in them
Primula auricula 'Lucky Strike'
Oxalis tetraphylla a few common names with lucky like=LUCKY CLOVER
Gladiolus 'You'll Be Lucky'
Dracaena sanderiana 'lucky Bamboo'
Achillea 'Lucky Break'
Dahlia 'Lucky Devil'
A few Irises i.e 'Lucky charm'
Dahlia 'Lucky Number'
Just a few examples