Hosta 'Kabitan', sieboldii
Hosta 'Kabuki'
Hosta 'Karin'
Hosta 'Kasseler Gold'
Hosta 'Katherine Lewis'
Hosta 'Katsuragewa Beni'
Hosta 'Kinbotan'
Hosta 'Kiwi Full Monty'
Hosta 'Kiwi Spearmint'
Hosta 'Kleiner Schelm'
Hosta 'Knock Out'
Hosta 'Krossa Broad Band'
Hosta 'Krossa Regal', nigescens
