How to Prune everlasting?
Shorten flowered shoots to about 1.5–2.5 cm from the previous year's growth. Prune in spring.

everlasting · Helichrysum splendidum
Grow in a poor to moderately fertile, well-drained, neutral to alkaline soil in full sun. Protect from winter wet and cold dry winds
Shorten flowered shoots to about 1.5–2.5 cm from the previous year's growth. Prune in spring.