Hibiscus is a large shrub or some may also consider it to be a small tree which produces huge, colorful and trumpet-shaped flowers.Hibiscus is a large shrub or some may also consider it to be a small tree which produces huge, colorful and trumpet-shaped flowers <a href="http://www.boldsky.com/home-n-garden/gardening/2014/best-tips-on-hibiscus-plant-care-039705.html" target="_blank">Know More</a>.