Creator
- D. M. Ferry & Co. (109)
- Iowa Seed Co. (54)
- Oscar H. Will & Co. (42)
- Field's, Henry, Seed & Nursery Co. (41)
- Joseph Breck & Sons (39)
- Stark Bro's Nurseries (38)
- L.L.May & Co. (26)
- Northrup King & Co. (22)
- Everitt, J. A., Seedsman Inc. (21)
- Will, Oscar H., & Co (21)
- Berry Seed Company (19)
- A. A. Berry Seed Co. (16)
- Barteldes Seeds (16)
- Beatrice Nursery & Sonderegger Seed (16)
- Gurney Seed and Nursery Co. (12)
- Clark Gardner Nurseries (11)
- Farmer Seed Co. (11)
- Galloway Bros. & Co. (10)
- Shenandoah Nurseries (9)
- C. W. Dorr & Co. (8)
