BLUE YUCCA luminosa, rigida
Yucca luminosa, more commonly referred to as its synonym Yucca rigida, is a plant species in the yucca genus native to northern Mexico. It is also commonly called silver-leaf yucca, blue yucca, and rigid blue yucca. It grows in stony soil and limestone scrubland.
Yucca luminosa usually grows individual or branched 3–4 metres (9.8–13.1 ft) tall trunks, with a crown of powdery blue leaves that grow to 1 metre (3.3 ft) long. It forms 1–2 metres (3.3–6.6 ft) tall inflorescences with stunning white flowers.
Hardiness zones: 7-11
Seeds per pack: 10
Germination: Mix equal amounts of garden soil and sand. Sow Yucca seeds about 1mm deep in a Well drained seed sowing mix at about 22°C. Seed germination is erratic, 30-365 days.