Thrips will appear black or brown and have long ... For more hibiscus advice, see our guide on how to deadhead hibiscus flowers, to keep your shrubs looking their best this year.

Large spots that turn from brown to black may also appear on flower buds. Botrytis blight loves humid conditions, so provide ...

Today, hibiscus still grows in the Caribbean, where the flower-brewed red beverage became ... on the mainland dates to the 1870s South, where Black Americans colored lemonade red with strawberries ...