1. “Standard versus refined impatiens seed.”;Agnew;Greenhouse Grower,1986
2. Anonymous. (1985) “Soil may determine whether bedding plant crop is successful.”. Greenhouse Grower. 4: (1), 7–10.
3. Anonymous. (1988). Floriculture Crop 1987 Summary. National Agric. Stat. Serv., Agric. Stats. Board. USDA, Washington, D.C.
4. “Determining optimum sowing times of bedding plants for extended marketing periods.”;Armitage;Acta Hort,1983
5. “Influence of production practices on post-production life of bedding plants.”;Armitage;Acta Hort,1986