Yucca filimentosa 'Excalibur' COLD HARDY Size:Seedling (4" pot) and parent trees have seen

and parent trees have seen temperatures below 0F with some protection (zone 6b)

You are purchasing seeds of Chamaerops humilis 'Cerifera' (Blue/Silver Mediterranean Fan Palm)

and parent plants have seen temperatures well below -10F

Cold Hardy Silver Windmill Palm

Not only one of the most cold hardy feather palms

Yucca filimentosa 'Excalibur' COLD HARDY Size:Seedling (4" pot) and parent trees have seenYucca filimentosa 'Excalibur' Oregon Blue Grey form Cold Hardy 20F! The Excalibur Adams Needle is a rare and beautiful hybrid species of yucca that can grow a single trunk or multiple trunks and dense but thicker (when compared to regular Adams Needle) crown of foliage, 4 6 ft. tall; Stiff but playable, blue grey (far more blue than regular Adams Needle) leaves are 1 2 ft. long, have slightly drooping tips and together create a large circular canopy;