Perennial herb, plant height 60cm, the whole plant is tomentose, the stem is erect and clustered. After autumn cool, the basic leaves turn red, and the horticultural variety 'husker red' has more obvious red leaf characteristics, even the upper leaves show red and green.
The leaves of this genus are opposite, sessile, ovate to lanceolate. The flowers are solitary or 3-4 on the common stalk of leaf axil, presenting irregular raceme, with white, pink, blue violet and other colors.
Like the environment with sufficient sunshine, moist air and good ventilation, avoid hot and dry, cold resistance, lax requirements on soil, but it must be well drained, with the sandy loam containing calcareous as the best.
The family Scrophulariaceae. It is native to Mexico, Kansas and Texas. Perennial evergreen herbs. About 70 cm high. Leaves opposite, elliptic to ovate, 7-12 cm long. The scape is 1-1.5m high and the flowers are mostly white. The flowering period is from April to June.
Like sunny, warm, humid and well ventilated environment. The soil is required to be loose, fertile, and the drainage is unobstructed. Water well during the growing period. Pay attention to pruning and fertilization after flowering.
It is a perennial herb with a plant height of 90cm. Leaves simple, opposite or basal, lanceolate, linear, entire, smooth or hairy. Raceme, bright red, floret 2.5cm long; corolla 2-lipped, lower lip retrorse hairy; upper lip prominent; 5 stamens, 1 pistil; flowering summer, capsule autumn mature. There are pink and safflower cultivars.
It is warm, drought resistant, light and half shade resistant. It requires good drainage and grows best in calcareous soil.
The genus Salix of Scrophulariaceae is native to Wyoming and Mexico. Perennial evergreen herbs, 15 to 45 cm tall, glabrous throughout. Leaves rosette, leaf blade slightly fleshy, oblanceolate, ca. 7.5 cm long. The flower color is very rich, and the flowering period is from April to May.
Like warm, well lit and ventilated environment. Avoid high temperature and drought in summer. Suitable for planting in flower beds, flower mirrors or green islands.
