'Fireball' is a Hardy Hibiscus variety in the Hibiscus genus with a scientific name of Hibiscus x moscheutos. It grows mainly as a Perennial, which means it typically grows best over a long period (from 3 years+). Fireball is known for growing with a shrub-like habit to a height of approximately 90.0 cm (that's 2.93 feet in imperial).
This variety plant info is provided by the myfolia gardener's wiki. All details about Fireball have been kindly provided by our members.
How to grow Fireball
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Fireball is thought of as hardy, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea). The USDA Hardiness Zones typically associated with Fireball are Zone 5 and Zone 9. Try to keep the ph of your soil between the range of 6.1 and 7.5 as Fireball likes to be in weakly acidic soil - weakly alkaline soil.
Growing Fireball from seed
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Fireball is a hardy plant.