Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 18, 2011
It sounds like you have thrips. These articles will help:
https://www.gardeningknowhow.com/ornamental/bulbs/gladiola/gladiola-disease-pests.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm
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