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Endless Summer® Hydrangea

Endless Summer® Hydrangea

Full-Partial Sun 1-2 ft./yr Growth

The Endless Summer Hydrangea is a perrenial shrub with large, colorful clusters that flower from early summer through fall, bringing lasting seasonal beauty to gardens, patios, or containers.

Regular price $99
Regular price $115 Sale price $99
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Pick a Height: 3 Gallon - Single
Pick a Planter: Grow Pot
Pick a Color: Plastic
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Endless Summer® Hydrangea Information

Endless Summer® Hydrangea
About The Endless Summer® Hydrangea

Imagine a burst of breathtaking blooms that keep your garden vibrant from spring through fall. That's the magic of the Endless Summer® Hydrangea. With its lush, full flowers, this hydrangea variety is a true show-stopper.

Why You'll Love It:

  • Unlike other hydrangeas, Endless Summer® delivers gorgeous flowers that last all season long.
  • This hardy plant is low-maintenance, making it perfect for both novice and experienced gardeners.
  • Enjoy the playful transformation of bloom colors when you adjust the soil's pH. It's like having multiple plants in one!
Endless Summer® Hydrangea Details
Mature Height:
4 ft.
Mature Width:
4 ft.
Sunlight:
Full-Part Sun
Growth Rate:
Moderate
Botanical Name:
Hydrangea macrophylla 'Balimer' PP15298
Grows Well In Zones:
4-9 outdoors
Does Not Ship To:
AK, AZ, HI, OR

Growing Zones 4-9 Outdoors

(Hardy down to -20° F)

Endless Summer® Hydrangea
Watering Requirements
Hydrangeas love water, so newly planted shrubs need frequent watering, often 2-3 times a week or daily in hot weather to establish strong roots, while established in-ground plants only need a deep soaking 1-2 times a week. Containers always dry out faster and require daily checking, often needing a thorough watering almost every single day during the summer heat. Water containers thoroughly until water seeps out the drainage holes to ensure roots deep in the container get watered. Always water deeply at the base to keep leaves dry and prevent disease!
Sunlight Requirements
Thrives in partial shade, preferably morning sun and afternoon shade. They can tolerate full sun in northern climates, but they should be protected from afternoon sun in southern climates.
Humidity Requirements
Prefers moderate to high humidity. Hydrangea thrive in coastal or naturally humid environments, but if you live in a very arid, dry climate, they will need extra afternoon shade and a thick layer of mulch to keep the surrounding air and soil from drying out too fast.
Pet-Friendly Plant?
No, use caution when placing this plant in homes with pets.
Read our full care guide
Endless Summer® Hydrangea
Frequently Asked Questions
How do I change the bloom color of my Endless Summer Hydrangea?
A quick soil test can help you determine the pH level that controls your flower color. If your soil is acidic with a pH below 6.0, your plant will produce blue blooms, while alkaline soil above 6.0 yields pink blooms. You can easily change your colors by mixing aluminum sulfate, composted coffee grounds, pine needles, or oak leaves into the soil for blue blooms, or adding garden lime or fertilizer with high phosphorus to encourage pink blooms instead.
How do I change the bloom color of my Endless Summer Hydrangea?
A quick soil test can help you determine the pH level that controls your flower color. If your soil is acidic with a pH below 6.0, your plant will produce blue blooms, while alkaline soil above 6.0 yields pink blooms. You can easily change your colors by mixing aluminum sulfate, composted coffee grounds, pine needles, or oak leaves into the soil for blue blooms, or adding garden lime or fertilizer with high phosphorus to encourage pink blooms instead.
Why does my Endless Summer Hydrangea rebloom when other varieties don’t?
Endless Summer hydrangeas are wonderful because they bloom on both old wood and "new wood" (the current season's fresh growth). This unique trait ensures a continuous cycle of new flowers from early summer until the first frost.
Why does my Endless Summer Hydrangea rebloom when other varieties don’t?
Endless Summer hydrangeas are wonderful because they bloom on both old wood and "new wood" (the current season's fresh growth). This unique trait ensures a continuous cycle of new flowers from early summer until the first frost.
How far apart should I space Endless Summer Hydrangeas when planting?
Because this original variety matures to 3-5 feet tall and wide, your spacing depends entirely on your landscape goals. For a continuous hedge, space your shrubs 3.5 feet apart from the center of each plant so they grow together seamlessly. If you prefer individual accent shrubs, space them 5-8 feet apart to give them breathing room and distinct shapes.
How far apart should I space Endless Summer Hydrangeas when planting?
Because this original variety matures to 3-5 feet tall and wide, your spacing depends entirely on your landscape goals. For a continuous hedge, space your shrubs 3.5 feet apart from the center of each plant so they grow together seamlessly. If you prefer individual accent shrubs, space them 5-8 feet apart to give them breathing room and distinct shapes.
When and how should I prune my Endless Summer Hydrangea?
Feel free to lightly deadhead spent flower heads throughout the season. Beyond that, the best practice is to leave the stems (and even some of the flowers!) alone through the winter. In mid-spring, wait until the plant begins to leaf out, then simply thin the plant by removing any dead, brittle wood that shows no signs of green growth. That's it!
When and how should I prune my Endless Summer Hydrangea?
Feel free to lightly deadhead spent flower heads throughout the season. Beyond that, the best practice is to leave the stems (and even some of the flowers!) alone through the winter. In mid-spring, wait until the plant begins to leaf out, then simply thin the plant by removing any dead, brittle wood that shows no signs of green growth. That's it!
Why is my healthy-looking hydrangea not blooming?
If your hydrangea is all leaves and no flowers, the most common culprits are sun exposure, over-watering, or over-fertilizing. Depending on your region, these plants thrive best in morning sun with dappled afternoon shade, as intense full sun can get too hot for buds to form. Additionally, giving them too much water or fertilizer will actually stunt bloom production. Instead, aim to keep the soil moist but never soggy, and stick to just one application of fertilizer in the spring or early summer.
Why is my healthy-looking hydrangea not blooming?
If your hydrangea is all leaves and no flowers, the most common culprits are sun exposure, over-watering, or over-fertilizing. Depending on your region, these plants thrive best in morning sun with dappled afternoon shade, as intense full sun can get too hot for buds to form. Additionally, giving them too much water or fertilizer will actually stunt bloom production. Instead, aim to keep the soil moist but never soggy, and stick to just one application of fertilizer in the spring or early summer.
files/the-sill_Large-Endless-Summer_-Hydrangea-_3-Gallon__Large-Mexia-Cream_Variant.jpg
Our planters are made from the highest quality materials, and designed to complement a range of styles.
Fiberglass Planters
Mexia

Lightweight fiberglass with a drainage hole and removable stopper

No Exterior Planter
Grow Pot

Plastic container with drainage holes used by our greenhouse

Agnes

Lightweight fiberglass with a drainage hole and removable stopper

All of our plants ship in premium packaging for zero damage on arrival. Here’s what you can expect in your box on arrival:
Your Endless Summer® Hydrangea
Fully rooted in a nursery pot with soil intact
Custom Protection System
Corner guards, soil stabilizer, and branch sleeves keep it secure
Pre-Watered & Ready
Each plant is watered 24 hours before it is shipped
Care Instructions Card
Includes expert-curated care tips to help your plant thrive far beyond the first 30 days.
Perfect For Gifting
No pricing or packing slips included with gifts! Just the plant and a note.

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    Why Choose The Sill?

    Not all Endless Summer® Hydrangeas are created equal
    Traditional Retailers
    Greenhouse Grown Not warehouse-held. Hand-picked and cared for by our experts.
    Outdoor Ready Pre-conditioned for outdoor growth.
    Hand-Selected Inspected by experts. Only our best ship out.
    30-Day Guarantee Free replacements if not happy and healthy.