Propagating Flame TreesSeed germination and cuttings are used to propagate this tree. To propagate the tree from cuttings:Using a sharp knife, take a cutting about one foot long. Remove any leaves from the lower third.Dip the stem in rooting hormone. Plant the cutting in a 1-gallon container filled with damp potting mix.Place in a warm outdoor location but away from direct sunlight. Keep the soil evenly moist until you see new growth, which can take several months. Once it starts growing, you can move it to a sunny location but let it grow into a strong sapling before planting it in the landscape.