Cress, Curled Herb Seeds 1 Package = 1 g Of Seeds Contains approximately 400 Cress, Curled Herb Seeds. Cress is a cool-weather herb that has a peppery flavor and scent. It will grow to be about 6-12 inches high and will be ready to harvest after just a couple of weeks. Cress has a strong taste and can be added to various dishes for a tangy, zesty kick.