This plant can be propagated by seed or by cuttings.

Once the seed capsules are brown, break them open and shake the seeds into a paper bag. Place the bag somewhere warm so that the the seeds can dry completely. Once the seeds have dried, move the bag to a cool dry place for storage. Sow the seeds in spring in a seed tray filled with a well-drained potting mix.

Phygelius aequalis can be propagated by stem or tip cuttings. Select healthy cutting material, taken in midsummer. With the use of a rooting hormone and bottom heating, the cuttings will root within three weeks. It is also possible to transplant the offset suckers from the parent plant.

This plant thrives near water. If situated far from water, it will need regular watering during the summer months. It needs a rich, well-drained, loamy soil with plenty of compost. It loves a warm semi-shade to sunny position in the garden. If grown in deep shade, it will become leggy. Prune in late winter to early spring to encourage bushy growth. Phygelius aequalis will add a luscious, colourful look to any garden.