About four species of Otacanthus
are native to South America. In the tropics
and subtropics, the Brazilian snapdragon is an evergreen shrub that blooms most
of the year. Spikes of blue flowers appear in late summer to fall. Each flower
has two conspicuous petals.
Light: part shade to full shade
Water: well-drained soil, moderately drought tolerant
Soil: acidic, no other special requirements
In north Florida,
it dies to the ground in winter and resprouts the following spring. It grows
one to two feet tall or more.