Growli

Pest identification

What's eating my cryptanthus 'black mystic'?

Mealybugs

Signs: White cottony clusters concealed in the rosette centre; slow growth and dull, faded leaf color.

Control: Probe between leaves with an alcohol swab; follow with weekly neem oil spray until all signs disappear.

Scale insects

Signs: Hard brown bumps on the dark leaf surfaces, easy to overlook; honeydew deposits and sooty mold.

Control: Scrape off with a toothpick; dab the site with isopropyl alcohol and check again after two weeks.

Spider mites

Signs: Tiny pale speckling on upper leaf surfaces; fine silk webbing at leaf tips in hot, low-humidity conditions.

Control: Boost humidity around the plant; rinse thoroughly; apply insecticidal soap spray every 5–7 days for three treatments.

Keep cryptanthus 'black mystic' pest-free

Healthy plants resist pests best. Get the basics right:

Cryptanthus 'Black Mystic' pests — FAQ

What is eating my cryptanthus 'black mystic'?

Cryptanthus 'Black Mystic' has dark, richly pigmented foliage that makes pests harder to spot at a glance. Mealybugs are the most common threat, hiding in the tight rosette, while scale and spider mites also occur in dry rooms. Inspect under leaves monthly and check the leaf bases with a torch for early detection.

How do I get rid of mealybugs on cryptanthus 'black mystic'?

White cottony clusters concealed in the rosette centre; slow growth and dull, faded leaf color. Probe between leaves with an alcohol swab; follow with weekly neem oil spray until all signs disappear.

How do I get rid of scale insects on cryptanthus 'black mystic'?

Hard brown bumps on the dark leaf surfaces, easy to overlook; honeydew deposits and sooty mold. Scrape off with a toothpick; dab the site with isopropyl alcohol and check again after two weeks.

How do I get rid of spider mites on cryptanthus 'black mystic'?

Tiny pale speckling on upper leaf surfaces; fine silk webbing at leaf tips in hot, low-humidity conditions. Boost humidity around the plant; rinse thoroughly; apply insecticidal soap spray every 5–7 days for three treatments.