Akin to quinoa, amaranth is a protein-packed seed treated like a grain. It's also a beautiful, tall flower with edible leaves and lots of value in the garden. Amaranth will readily sow itself, and members of its family — also edible — actually behave like weeds.

Does amaranth reseed?

Amaranth is available as seed and as nursery starts. Plant seed after last frost date in fertile, moist but well-drained soil. ... Amaranth often will reseed itself.

Is amaranth cut and come again?

Harvesting Amaranthus

The flower will start to emerge from the center of the stem in the the leaves and will grow larger with time - either into a large plume or a trailing head depending on the variety. ... If you're cutting a single, smaller stem, just cut it back to the main trunk of the plant.