aculeata=prickly Very fast growing with sparse foliage & very long narrow leaves. Yellow flowers with orange red throats spring for month+. Very messy, thorny, weedy & shortlived. Usually found on limestone soils in areas with moisture but is strongly drought tolerant. Withstands saline conditions. Can be cold or drought deciduous. Half hardy to Dallas. Light airy tree. Green barked
Dig hole, insert plant slightly higher than soil grade. Disturb root ball very little. No amendments, just native soil. No fertilizers. Backfill the hole .Water lavishly. Mulch top of soil around plant in a 4' diameter circle. - Bert Wilson Las Pilitas