Incrediball Storm Proof™ Smooth Hydrangea (Hydrangea arborescens)

Introducing Incrediball Storm Proof™, the hydrangea that tackles one of the most common frustrations with the genus: floppy blooms. Unlike traditional smooth hydrangeas, which often struggle to hold their heavy flowers upright, this incredibly sturdy variety is built to withstand even the heaviest summer downpours. Its strong, resilient stems keep blooms standing tall—during and after a storm—ensuring your garden remains vibrant and intact no matter the weather. While the blooms aren't as large as those of the original Incrediball®, they're still impressively large in proportion to this more compact variety. And with an abundance of these stunning blooms, Incrediball Storm Proof™ easily lives up to its well-established reputation. This hydrangea boasts a robust, vigorous growth habit with a rounder, denser form than other smooth hydrangeas, making it a perfect choice for smaller spaces or those looking for a lower-maintenance yet high-impact plant. Whether you're a hydrangea enthusiast or a newcomer to the genus, Incrediball Storm Proof® is a must-have for your garden, delivering beauty and durability all season long.

• 3.5-4 feet tall and 3-4 feet wide at maturity

• Hardy in zones 3-8, be sure to check your USDA zone to ensure success

• Plant in part to full sun (4+ hours daily)

• Space plants 3-4 feet apart for best results

• Produces white flowers that age to light green from summer to frost

• Maintains green foliage spring to frost

• Blooms on new wood

• Great for landscapes, hedges and cut flowers

• Attracts bees and butterflies

• Salt tolerant

Care: Fertilize with Proven Winners Continuous Release Plant food in spring and mid-summer. Prefers well-drained soil that does not remain soggy for any amount of time. To prune, simply cut back by one-third of its total height every spring, just as new growth begins to emerge on stems. Make cuts just about 1/4 of an inch above a bud. Dead or damaged wood can be removed at any time.

Shipping Info:

• Enjoy free shipping on orders over $175

• Size at shipping varies by season, plant, and trimming schedules

• 1-Gallon shrubs are 6-24" tall at shipment

• Quart shrubs are 5-8" tall at shipment

• Shrubs ship dormant November through April

Read our guide to get started with planning a garden