Hosta Jurassic Park is a substantial plant that will form a large to giant mound, reaching a height of 120cm-140cm with a spread of up to 270cm at maturity, which occurs in approximately 12 years if left undisturbed. This species thrives with strong morning sunlight followed by filtered shade, but remains impressive through mid-season, even under full sun conditions. Due to its robust foliage, it is resistant to slugs. it  produces lavender flowers on 150cm scapes in July and August.