It will flower and set seed all summer. This is one species that we are having a problem with in no-till fields. Bouncing bet and bladder campion are two perennial weeds that do not have hairy leaves and stems. These weeds have a smooth and waxy texture. These two weeds usually grow in dense patches and are not usually a problem in agricultural fields.
Flowers are light pink to white.
Night-flowering catchfly is an annual weed. Sometimes night-flowering catchfly behaves as a winter annual. This weed is becoming an increasing problem in western Canada in no-till fields because it is germinating in the fall, i.e. a winter annual life cycle. Winter annuals will be growing rapidly at the time of burndown. Night-flowering catchfly has sticky stems and leaves.