It grows 2 to 3 feet tall and 3 to 4 feet wide and is hardy in USDA zones 4 through 9.Click to see full answer. Simply so, do hostas get bigger every year?Hostas are perennials, which means they will come back bigger and better every year. Most hostas grow well in Zones 3 to 9. These versatile shade plants form a mound of leaves but vary greatly by variety, offering differences in plant size, leaf shape, and leaf color.Also, do hostas spread on their own? Hostas (Hosta spp.) are herbaceous perennials that grow in mounded clumps of showy leaves. They sprout from rhizomes, or underground stems, that spread and enlarge the clump until it can be divided into smaller plants. Hereof, how do I grow hostas bigger? To get the best out of yours, add compost to the soil they are in and around them under mulch. Hostas grow well in shade or partial shade, some do poorly in too much sun, other new cultivars are developed to grow well in sun too. Slugs love them so if you see holes in the leaves, they’re the likely suspect.What is the largest hosta plant?There’s actually a record-holding ‘Sum and Substance’ hosta plant that measures 114 inches (nearly 10 feet) across and stands 48 inches high. Another giant hosta well-known for its gargantuan size is Hosta ‘Empress Wu. ‘ This oversize charmer forms a can’t-miss clump—up to 48 inches tall by 70 inches across.
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