How To Care Hibiscus In Summer. During the late spring and mid-summer months your hibiscus plant will need to be watered almost daily. This is because the hibiscus flower holds lots of moisture and therefore needs larger amounts of water during its blooming stage.
Hibiscus need a lot of nutrients and there are a few ways you can fertilize them. It requires less water during the rest of the year particularly in winter. Try blasting the plants with water first and then use insecticidal soap.
You should water Hawaiian hibiscus plants regularly during summer especially in hot weather.
You want to make sure you dont add too much fertilizer because it can kill your hibiscus. To care for Hibiscus grow the shrubby plants in full sun or partial shade. A growing hibiscus plant needs lots of nutrients in order to bloom well. It requires less water during the rest of the year particularly in winter.