This is Hesperantha coccinea ‘Major’ from the Iridaceae family.
Hesperantha coccinea ‘Major’ is a vigorous semi-evergreen perennial with clump-forming underground rhizomes. With erect, narrow green leaves and tall spikes of star-shaped bright red autumn flowers, up to 10 flowers on each spike.

This plant requires full sun, in a sheltered, south facing area in moist but well drained soil for optimal growth and health.
Maximum height: 60cm
Maximum spread: 50cm.