Gladiolus thrips: how to spot, prevent and treat it pest
How do you spot gladiolus thrips?
White blotches and streaks show over the leaves and flowers. In a heavy attack the petals turn brown and the buds do not open at all. On stored corms and bulbs there are rough grey brown patches.
How do you prevent gladiolus thrips?
The thrips overwinters on stored corms and bulbs. It is most active from July to September. In a warm room it breeds all year, so keep the store cool.
What works against gladiolus thrips?
Put up with light damage, see to a clean lifting and encourage the natural predators.
Which plants get gladiolus thrips? 4
Ornamentals 4
Sources: Royal Horticultural Society
Checked on 17 August 2026.