Hesperaloe parviflora 'Straight Up'
Light: Full sun; tolerates light shade, but flowers best with at least 6 hours of direct sunlight.
Water: Low water once established. Water deeply, then let soil dry between waterings. Provide occasional supplemental summer irrigation in Phoenix and more regular watering during establishment.
Soil: Well-drained sandy, gravelly, or rocky soil. Tolerates alkaline desert soils; avoid persistently wet soil or poorly drained clay.
Mature size: Approximately 3–4 feet tall and wide in foliage, with flower stalks reaching about 5–6 feet.
Bloom: Primarily spring through summer, often extending into fall in Phoenix. Established plants flower annually.
Evergreen / deciduous: Evergreen.
Growth rate: Slow to moderate, depending on irrigation and growing conditions.