Bright red fruits are bitter and inedible to humans (some authors say poisonous) but are loved by birds
Gardeners will enjoy their low-maintenance requirements and disease resistance
bearing single yellow buttercups for several weeks
They are produced on intensely silver-blue stems and stand high above the basal rosette of blue-green
The tree will grow to be about 50 feet tall at maturity
Iris 'Blue Trill' Size:2.5 Quart Bright red fruits are bitterHardiness Zones 4 8 for most varieties, Some cultivars tolerate colder, others tolerate warmer zones (please comment in comment box with your location if this cultivar grows well in zone 3, 4, 9, or 10.) Exposure Prefers full sun for optimal performance, may still bloom in half day shade Water: Prefers well drained good garden soil, Tolerant of dry conditions in established plants, Intolerant of swampy conditions. PH Prefers Neutral to basic solis 6.