This is answered comprehensively here. Beside this, is Fatsia a hardy?
While Fatsia japonica is not completely hardy everywhere in Britain, given a degree of shelter it is remarkably unfussy. Happiest in heavy soil, it will grow well in a variety of soils. In its variegated form, fatsia is said to be less hardy.
Subsequently, question is, how big do Fatsia plants get? 8 to 10 feet
Just so, why are the leaves on my Fatsia turning yellow?
Yellow leaves can be a sign of many things, including underwatering, overwatering, too much sunlight/heat, lack of nitrogen, or salt/fertilizer burn, to name the more common ones. When leaves brown around the edges, the problem is often salt burn. Salts in the water and in fertilizer build up over time.
What does Fatsia look like?
Fatsia japonica 'Variegata' is a nice, bushy shrub that reaches a maximum height of 2.5 metres (8 feet). It has leaves that are up to 30 cm (12 inches) wide and are edged with cream. The flowers are small and spherical and are followed by small black berries.