Consulta Plantas

Care of the plant Agastache rupestris or Mexican Hyssop

The genus Agastache, family Lamiaceae, includes 22 species of herbaceous plants, mostly native to North America. Some species are: Agastache rupestris, Agastache mexicana, Agastache cana, Agastache foeniculum, Agastache scrophulariifolia, Agastache nepetoides.

Common names: Mexican Hyssop, Threadleaf giant hyssop, Licorice mint. This species is native to northern Mexico and the southwestern USA.

They are evergreen herbaceous plants (deciduous if it is very cold) of fast growth that reach 70 cm (2.29 feet) in height. The aromatic gray-green leaves are linear-lanceolate in shape and smell of mint and licorice. The showy orange or pink tubular flowers appear on long spikes. They bloom in summer.

They are used in rockeries, borders, borders, on dry and sunny slopes and in pots for patios and terraces. They are ideal for Mediterranean coastal gardens.

The Agastache rupestris needs full sun exposure and a warm, dry climate. Frost resistant to -12 ºC (10.40 ºF) if the substrate is dry.

They grow in any type of soil that has excellent drainage, even in poor, calcareous, stony or sandy soils. Planting is done at the beginning of spring or at the end of winter at a rate of 4-6 specimens per square meter.

Water moderately, waiting for the substrate to dry completely. They resist drought very well once they are established.

Fertilize with a little organic matter at the time of planting.

Prune withered flower stems. At the end of winter, prune the dry branches.

They are plants resistant to the usual pests and diseases but sensitive to excess watering.

They are propagated by division in late winter and from seed sown in spring.

Images of the plant Agastache rupestris or Mexican Hyssop