Growli

Pest identification

What's eating my blue chalk sticks?

Mealybugs

Signs: White waxy wool at stem joints; blue colouring fades and stems weaken

Control: Remove with alcohol swab; spray with neem oil or insecticidal soap; repeat every 7–10 days until clear

Aphids

Signs: Clusters of soft insects on shoot tips; sticky honeydew attracts sooty mould

Control: Knock off with a water jet; apply insecticidal soap; check new growth weekly during spring

Slugs and snails

Signs: Ragged bite marks on lower or fallen leaves when grown outdoors; silvery slime trails

Control: Remove by hand at night; use copper tape barriers around pots; apply iron phosphate pellets if needed

Keep blue chalk sticks pest-free

Healthy plants resist pests best. Get the basics right:

Blue Chalk Sticks pests — FAQ

What is eating my blue chalk sticks?

Blue Chalk Sticks is a drought-tough succulent with relatively few serious pest problems. Mealybugs are the most common indoor threat, tucking into stem joints. Aphids can colonise new growth in spring. When grown outdoors in mild climates, slugs may nibble lower leaves. Good drainage and airflow keep most problems at bay.

How do I get rid of mealybugs on blue chalk sticks?

White waxy wool at stem joints; blue colouring fades and stems weaken Remove with alcohol swab; spray with neem oil or insecticidal soap; repeat every 7–10 days until clear

How do I get rid of aphids on blue chalk sticks?

Clusters of soft insects on shoot tips; sticky honeydew attracts sooty mould Knock off with a water jet; apply insecticidal soap; check new growth weekly during spring

How do I get rid of slugs and snails on blue chalk sticks?

Ragged bite marks on lower or fallen leaves when grown outdoors; silvery slime trails Remove by hand at night; use copper tape barriers around pots; apply iron phosphate pellets if needed