Incrediball Smooth Hydrangea, Live Shrub, Green to White Flowers, 4.5 in. Quart Incrediball Smooth Hydrangea from Proven Winners has super-sized white flowers that bloom in summer and are held up by sturdy stems. This hydrangea is both reliable and beautiful. Prefers full sun (6+ hours) and is adaptable to most well-drainedsoils. Grows to be 4-5 feet tall and wide. At time of shipment, this plant will be about 6 months to 1 year old. Blooms early to late summer. Prune in late winter/early spring and apply a controlled-release fertilizer. Quart shrubs are 5-10 inches tall when shipped, depending on the season. Hardiness zones: 3-9. Be sure to check your USDA Hardiness Zone if you want this plant to come back year after year. Hand-picked by experienced shippers and delivered fresh from the greenhouse in a 4.5 in. quart container. Plants shipped from November through March will arrive dormant. Proven Winners guarantees all of its plants are correctly packaged in specially designed boxes, arrive in good condition and are accurately labeled. This hydrangea is great for landscaping, naturalizing, perennial gardens, and for a dramatic cut or dried flower. To introduce the most unique, highest quality plants, Proven Winners are tested for years in gardens across the world. Our plants are unsurpassed in terms of flowering, growth and garden performance.