Planting Ideas With Phormiums. Phormium tenax (new zealand flax) stunning focal point for the garden, phormium tenax (new zealand flax) is a very ornamental and robust evergreen perennial featuring a basal rosette of. Plant out in late spring, in a light, reasonable fertile, deep soil.
My rule for gardening with phormiums is quite simple. You will need to add the growing media next made by. I have some large pots with small phormiums in them.