How to prune calendula 'radio'

Pinch young plants in early spring; deadhead continuously throughout the flowering season. Pinch out the central growing tip of young plants at 4–6 inches to encourage branching. Once flowering starts, snip off spent blooms back to the nearest leaf or lateral bud every few days. In hot midsummer, cut plants back by one-third to refresh them.

Pinch once at establishment; deadhead every few days during flowering. Calendula 'Radio' — with its distinctive quilled, anemone-style flowers — is a prolific annual that responds extremely well to deadheading. Removing spent blooms regularly prevents self-seeding and extends the flowering season from spring well into autumn. Pinching young plants once promotes bushier growth and more flower stems.

Pinch out the central growing tip of young plants at 4–6 inches to encourage branching. Once flowering starts, snip off spent blooms back to the nearest leaf or lateral bud every few days. In hot midsummer, cut plants back by one-third to refresh them.