This grower is sure of this plant identification.
Yucca plants (elephantitis or aliofolia)
Homegrown...healthy plants...large ready to be planted or repotted
Produce flower spires when adult which produce seeds
You can then grow your own from seeds like we do...
Also selling Yucca seeds £1.50 for 10
Yucca genus. In this genus there are about 40 species of unusual, evergreen shrubs and trees, producing rosettes of sword-like leaves. They produce tall, showy panicles of drooping, white, bell to cup-shaped flowers.
They are fully hardy to frost tender, min 7C. They grow well with low humidity; they prefer full sun and sandy soil with good drainage.
Makes excellent container plants. Grown for the architectural value of their bold leaves. Suitable for coastal conditions.