A recent study examines the effects of six Ca sources for their efficacy in reducing Botrytis blight on petunia flowers and their potential to cause spray damage or phytotoxicity. The research is ...

Petunias are susceptible to root rot, crown rot, Botrytis blight, and pests like mites, aphids, and budworms. If you notice ...

Remove the shells and water your petunias with the room temperature water. Calcium sprays can be used to treat Botrytis blight on petunias. This is often used on commercial petunias since they can ...