Hibiscus is a member of the Malvaceae family of plants. It is native to subtropical regions. There are annuals, perennial herbaceous plants, and shrubs in this genus. They have alternate ovate leaves. The flowers are large and eye-catching and range in colors from yellows to orange, reds, and purples and pinks.
The size of the flowers also varies from 4 to 20cm or 2 to 10in. There are many species of Hibiscus syriacus is also known as Common Garden Hibiscus or Rose of Althea or Rose of Sharon.
Hibiscus flowers are trumpet-shaped. There are many species in this genus. But you can organize them into two major categories, the garden deciduous shrub such as H. Syriacus and the indoor evergreen type such as Hibiscus rosa-sinensis. The garden varieties are hardy. They are easy to care for but the indoor varieties have a longer flowering season.
How to grow Hibiscus:
Grow Hibiscus in the sun but sheltered from the wind. Plant them in moist, well-drained soil. You can also plant the outdoor variety in containers or large pots. Indoor varieties also need a very bright location with direct sunlight, they prefer humidity and temperature should not fall below 10°C or 50°F. Any good compost would do and you will need to re-pot them every other year in early spring. You can put them outside in the summer and return them in autumn. You should water them regularly especially from April to October and a bit less during the rest of the year. Fertilize them during the growing season. Trim them for shape and to keep them growing bushy.