Growli

Pest identification

What's eating my palace purple coral bells?

Vine weevil (Otiorhynchus sulcatus)

Signs: Grubs hollow out the crown and consume roots, causing plants to collapse; adults leave scalloped leaf notches

Control: Drench soil with Steinernema kraussei nematodes in early autumn while soil is still warm; check and clean roots when dividing

Aphids

Signs: Colonies on young leaves and stems cause curling, sticky honeydew, and sooty mould

Control: Knock off with water; treat with insecticidal soap or neem oil; encourage ladybugs and lacewings

Slugs & snails

Signs: Irregular holes chewed through leaves, particularly on newly unfurled foliage in damp weather

Control: Use iron phosphate pellets; lay copper tape around container plants; hand-pick after dark

Keep palace purple coral bells pest-free

Healthy plants resist pests best. Get the basics right:

Palace Purple coral bells pests — FAQ

What is eating my palace purple coral bells?

Palace Purple coral bells face the same threats as other Heucheras: vine weevil grubs are the most damaging, silently destroying the root crown. Foliar issues include aphids on tender new growth and slug damage to young leaves. Deer rarely eat Heuchera, but rabbits may nibble in lean seasons.

How do I get rid of vine weevil (otiorhynchus sulcatus) on palace purple coral bells?

Grubs hollow out the crown and consume roots, causing plants to collapse; adults leave scalloped leaf notches Drench soil with Steinernema kraussei nematodes in early autumn while soil is still warm; check and clean roots when dividing

How do I get rid of aphids on palace purple coral bells?

Colonies on young leaves and stems cause curling, sticky honeydew, and sooty mould Knock off with water; treat with insecticidal soap or neem oil; encourage ladybugs and lacewings

How do I get rid of slugs & snails on palace purple coral bells?

Irregular holes chewed through leaves, particularly on newly unfurled foliage in damp weather Use iron phosphate pellets; lay copper tape around container plants; hand-pick after dark