Endless Summer Hydrangea - 3 Gallon

Endless Summer Hydrangea - Original Reblooming Blue Pink Hydrangea | 3-5 Feet Tall, Individual Plants

Experience the revolutionary breakthrough that changed hydrangeas forever with season-long blooms in stunning blue or pink. The Endless Summer Hydrangea is a hardy, award-winning deciduous shrub that has become the original and most celebrated reblooming hydrangea for its ability to bloom on both old and new wood. This exceptional flowering shrub has become an absolute breakthrough for this much-desired species, this spectacular summer-bloomer is not only very hardy, but it blooms on both old and new wood. With its enormous deep pink globe-shaped flowers that turn blue in acidic soil and classic Nantucket blue or soft pink flowers, depending on soil pH, the Endless Summer Hydrangea provides season long, incredible color that blooms continuously from spring through fall. The mature height of 3-5 feet tall and width of 3-5 feet wide along with winter hardiness down to -30 degrees Fahrenheit creates year-round garden structure while providing the longest blooming season of any hydrangea. Unlike traditional bigleaf hydrangeas that bloom only once on old wood, these revolutionary varieties provide continuous floral displays that actually intensify with proper soil conditions and care.

Why You'll Love the Endless Summer Hydrangea

Perfect Medium Size: Growing 3 to 5 feet tall and 3 to 5 feet wide at full maturity makes this the perfect choice for foundation plantings, specimen accents, container gardens, and mixed shrub borders where substantial presence is desired.

Revolutionary Reblooming: Space plants about 3.5 feet apart to form a hedge or up to 8 feet apart for individual specimens and they provide huge clusters of beautiful blooms from spring through fall. These breakthrough shrubs bloom on last year's stems and this year's new growth simultaneously.

Outstanding Cold Hardiness: Hardy in USDA zones 4-9, these hydrangeas withstand winter temperatures as low as -30 degrees Fahrenheit without winter protection. Once established, these deciduous shrubs provide reliable performance across cold and warm climates.

Soil pH Color Magic: A garden essential due to enormous blooms that change color based on soil pH - pink in alkaline soil or blue in acidic soil - perfect for gardeners seeking customizable color with minimal maintenance.

Endless Summer Hydrangea Details

• Botanical Name: Hydrangea macrophylla 'Bailmer' USPP15,298
• Type: Deciduous reblooming shrub
• Mature Size: 3-5 feet tall × 3-5 feet wide (rounded mounding habit)
• Growth Rate: Moderate — long-lived with 50+ year lifespan under ideal conditions
• Light: Morning sun and afternoon dappled shade (full to part sun)
• Soil: Evenly moist but well-drained soils with 5% organic matter content
• Water: Keep soil moist for first 2-3 months; consistent moisture preferred
• USDA Hardiness Zones: 4, 5, 6, 7, 8, 9

Growing Conditions

Soil Adaptability: Evenly moist but well-drained soils are best with at least 5 percent organic matter. However, adaptable to various soil types with proper drainage and consistent moisture. A 2-3 inch layer of shredded bark mulch recommended year-round.

Light Requirements: Prefer morning sun and afternoon dappled shade for best performance. Full sun may be too hot and intense for bloom production, especially in warmer climates zones 7-9.

Hardiness: USDA zones 4-9, making it suitable for most temperate regions. The farther north (zones 4-5), the more sun these hydrangeas can handle successfully.

Care Instructions

Watering: Keep soil moist for the first 2 to 3 months after planting and provide supplemental water during summer, especially in full sun sites in warmer climates. Prefer moist but not wet soil conditions.

Pruning: Light pruning in late winter or early spring if needed. Since they bloom on both old and new wood, pruning flexibility allows for better flowering performance.

Fertilizing: Feed with slow release fertilizer in spring. If you want blue flowers, maintain acidic soil conditions. Avoid over-fertilizing as it can inhibit bloom production.

Landscaping Uses

Versatile Applications: Endless Summer Hydrangea's substantial size and season-long blooms make it suitable for: foundation plantings, striking container gardens, hedge formations, mixed shrub borders, cut flower arrangements, and specimen focal points.

Color Customization: Whether you're looking for pink blooms in alkaline soil or blue flowers in acidic conditions, these hydrangeas provide customizable garden color with enormous globe-shaped flower clusters.

Frequently Asked Questions

How far apart should I plant Endless Summer Hydrangeas? Space plants about 3.5 feet apart to form a hedge. If you want space between your hydrangeas for individual specimens, space them up to 8 feet apart for mature growth.

Do they really bloom continuously and change colors based on soil? Yes, they bloom on both last year's stems and this year's new growth, providing season-long color. Pink flowers occur in alkaline soil while blue flowers develop in acidic soil conditions.

Are Endless Summer Hydrangeas truly cold hardy without winter protection? Exceptionally hardy in zones 4-9 and can withstand winter temperatures as low as -30 degrees Fahrenheit without requiring winter protection like other bigleaf varieties.