Asexual reproduction methods in plants Colour the boxes of the correct definitions, for the words and diagrams Cuttings Bulbs Runners Reproduce from a swelling at the bottom of an old bulb to produce a new bulb. Onions reproduce like these. Taking a small piece of plant and put it soil to grow into a new plant. Long thin stems that run underground and new plants grow at the ends of these. Strawberry plants reproduce this way.