Growli

Pest identification

What's eating my celosia argentea var. cristata 'chief mix'?

Spider mites

Signs: Fine pale stippling across leaves and flower heads; webbing visible underneath; leaves drop prematurely in severe cases.

Control: Mist plants in dry weather; apply neem oil or miticide to all leaf surfaces; repeat every 5-7 days.

Aphids

Signs: Colonies cluster on tender stems and around the base of flower heads; sticky honeydew attracts ants and sooty mould.

Control: Knock off with water; insecticidal soap spray; encourage beneficial predators in the garden.

Caterpillars

Signs: Irregular holes chewed into leaves and crested flower heads; caterpillars often hide inside the dense comb structure.

Control: Hand-pick caterpillars; apply Bacillus thuringiensis (Bt) spray; inspect flowers regularly for hidden larvae.

Fungus gnats

Signs: Larvae damage roots in overwatered or peat-heavy compost; yellowing, wilting, and poor growth result.

Control: Allow compost surface to dry between waterings; use yellow sticky traps; apply Steinernema feltiae nematodes.

Keep celosia argentea var. cristata 'chief mix' pest-free

Healthy plants resist pests best. Get the basics right:

Celosia argentea var. cristata 'Chief Mix' pests — FAQ

What is eating my celosia argentea var. cristata 'chief mix'?

Celosia 'Chief Mix' (cockscomb type) is susceptible to aphids, spider mites, and fungus gnats when overwatered. Outdoors, caterpillars and beetles occasionally chew the distinctive crested flower heads. Spider mites are the most damaging pest, flaring quickly in hot, dry summers and causing rapid decline if untreated.

How do I get rid of spider mites on celosia argentea var. cristata 'chief mix'?

Fine pale stippling across leaves and flower heads; webbing visible underneath; leaves drop prematurely in severe cases. Mist plants in dry weather; apply neem oil or miticide to all leaf surfaces; repeat every 5-7 days.

How do I get rid of aphids on celosia argentea var. cristata 'chief mix'?

Colonies cluster on tender stems and around the base of flower heads; sticky honeydew attracts ants and sooty mould. Knock off with water; insecticidal soap spray; encourage beneficial predators in the garden.

How do I get rid of caterpillars on celosia argentea var. cristata 'chief mix'?

Irregular holes chewed into leaves and crested flower heads; caterpillars often hide inside the dense comb structure. Hand-pick caterpillars; apply Bacillus thuringiensis (Bt) spray; inspect flowers regularly for hidden larvae.

How do I get rid of fungus gnats on celosia argentea var. cristata 'chief mix'?

Larvae damage roots in overwatered or peat-heavy compost; yellowing, wilting, and poor growth result. Allow compost surface to dry between waterings; use yellow sticky traps; apply Steinernema feltiae nematodes.