Incrediball Hydrangea Plant – Grow Giant, Resilient Blooms

ByRimon Chowdhury Updated on

Do you dream of a garden filled with show-stopping, enormous white blooms but worry about complex plant care? Many gardeners, myself included, have felt that frustration. We want beauty without the endless fuss.

Well, get ready for a game-changer! This guide promises to unlock the secrets to cultivating the magnificent incrediball hydrangea plant with ease.

You’ll discover everything you need to know, from selecting the perfect spot in your garden to mastering pruning techniques, ensuring your landscape bursts with these spectacular, resilient flowers year after year. Let’s make those garden dreams a reality!

Discovering the Magic of the Incrediball Hydrangea Plant

If you’re looking for a plant that delivers consistent, breathtaking blooms with minimal effort, the Incrediball hydrangea is your new best friend. This particular cultivar of Hydrangea arborescens, specifically ‘Abetwo’, is a standout among smooth hydrangeas.

It’s known for its incredibly large flower heads, often reaching up to 12 inches across. Imagine volleyball-sized spheres of pure white, brightening your garden from summer into fall!

What truly sets this smooth hydrangea apart from its famous predecessor, ‘Annabelle’, are its stronger stems. Gone are the days of blooms flopping over after a heavy rain. Incrediball stands tall and proud, showcasing its magnificent flowers.

Don’t worry—these flowers are perfect for beginners! Its robust nature and adaptability make it a joy to grow. This is truly a plant that earns its name.

Choosing the Perfect Spot: Site Selection for Your Hydrangea

Setting your Incrediball hydrangea plant up for success starts with choosing the right location. While these plants are forgiving, a little planning goes a long way in ensuring a spectacular display.

Think about where your plant will thrive, not just survive.

Understanding Sunlight Needs

The Incrediball hydrangea performs best with a balance of sun and shade. Aim for a spot that receives morning sun and afternoon shade.

The morning light helps encourage robust blooming, while protection from the intense afternoon sun prevents leaf scorch and keeps the flowers looking fresh.

In cooler climates (USDA Zones 3-5), it can tolerate a bit more sun. However, in warmer regions (Zones 6-9), afternoon shade is absolutely crucial to prevent stress and wilting.

Ideal Soil Conditions

Like most hydrangeas, the Incrediball thrives in well-drained soil rich in organic matter. Good drainage is key to preventing root rot, a common issue for many plants.

Before planting, I always recommend amending your soil with compost or well-rotted manure. This improves soil structure, aeration, and fertility.

A slightly acidic to neutral soil pH (around 6.0-7.0) is ideal for the Incrediball. Unlike some other hydrangea types, the flower color of Hydrangea arborescens varieties generally remains white, regardless of soil pH.

Considering Hardiness and Garden Design

The Incrediball hydrangea is remarkably cold-hardy, thriving in USDA Zones 3 through 9. This wide range makes it a fantastic choice for many gardeners across different climates.

When thinking about garden design, consider its mature size. It can grow 4-5 feet tall and wide, making it a wonderful specimen plant, a backdrop in a mixed border, or a stunning mass planting.

Its bright white blooms provide a fantastic contrast to darker foliage plants or act as a natural brightener in shady corners of your garden.

Planting Your Incrediball Hydrangea: A Step-by-Step Guide

You’ve chosen the perfect spot; now comes the exciting part – getting your new Incrediball hydrangea plant into the ground! This process is straightforward, but following these steps will give your plant the best start.

Timing is Everything

The best times to plant your Incrediball hydrangea are in the spring after the last frost, or in the fall, about 4-6 weeks before the first hard frost. These periods offer cooler temperatures and sufficient rainfall, allowing the plant to establish its root system without the stress of extreme heat.

Avoid planting in the scorching heat of summer, as this can lead to transplant shock.

Preparing the Planting Hole

  1. Dig Wide, Not Too Deep: Excavate a hole that is two to three times wider than the root ball, but only as deep as the root ball itself. You want the top of the root ball to be level with or slightly above the surrounding soil.
  2. Amend the Soil: Mix the soil you removed from the hole with a generous amount of organic matter, such as compost or aged manure. This enriched soil will provide vital nutrients and improve drainage for your plant.

Placing and Backfilling

  1. Carefully Remove from Container: Gently slide the plant out of its nursery pot. If the roots are circling tightly, carefully tease them apart with your fingers or a small hand rake.
  2. Position the Plant: Place the Incrediball hydrangea in the center of the prepared hole. Ensure the top of the root ball is flush with the ground level.
  3. Backfill: Begin filling the hole with your amended soil, gently firming it around the root ball to remove any air pockets. Avoid compacting the soil too tightly.
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Initial Watering and Mulching

After planting, give your new hydrangea a thorough watering. Water slowly and deeply until the soil is saturated. This helps settle the soil around the roots.

Finally, apply a 2-3 inch layer of organic mulch (like wood chips or shredded bark) around the base of the plant, keeping it a few inches away from the main stem. Mulch helps retain soil moisture, regulate temperature, and suppress weeds.

Essential Care for Thriving Incrediball Hydrangea Plants

Once your Incrediball hydrangea is in the ground, a consistent care routine will ensure it produces those magnificent, strong-stemmed blooms you desire. It’s truly a low-maintenance superstar, but a little attention goes a long way.

Watering Wisdom

Hydrangeas are notoriously thirsty plants, and the Incrediball is no exception. Especially during its first year, consistent watering is crucial for establishing a robust root system.

Aim for deep, infrequent watering rather than shallow, frequent sprinkles. This encourages roots to grow deeper, making the plant more drought-tolerant over time.

Check the soil moisture regularly. Stick your finger about an inch or two into the soil; if it feels dry, it’s time to water. Signs of thirst include wilting leaves, especially during the hottest parts of the day.

Feeding Your Blooms: Fertilization

While the Incrediball hydrangea plant isn’t a heavy feeder, a little boost can promote vigorous growth and abundant flowering. A balanced, slow-release granular fertilizer formulated for trees and shrubs (like a 10-10-10 or 15-30-15) applied in early spring is usually sufficient.

Follow the product instructions carefully to avoid over-fertilizing, which can lead to lush foliage at the expense of flowers. I’ve found that a light hand with fertilizer is always best.

Avoid fertilizing late in the growing season, as this can stimulate new growth that won’t have time to harden off before winter.

Mulch Matters

We touched on mulching during planting, but it’s an ongoing practice that benefits your Incrediball hydrangea immensely. A 2-3 inch layer of organic mulch helps retain soil moisture, keeping the roots cool and reducing the need for frequent watering.

It also suppresses weeds that compete for nutrients and provides a slow release of organic matter as it breaks down, enriching your soil over time. Replenish the mulch layer annually in spring.

Pruning for Power

Pruning is where many gardeners get nervous, but with the Incrediball, it’s incredibly simple! This smooth hydrangea blooms on new wood, meaning it produces flowers on the growth that emerges in the current season.

This makes pruning much less stressful than with old-wood bloomers. You can prune your Incrediball in late winter or early spring before new growth appears.

You have a few options: you can cut the entire plant back to about 6-12 inches from the ground each year for maximum bloom size, or you can prune it less severely, removing only weak or crossing branches, to encourage a taller, more natural shape. Both methods will yield beautiful flowers!

Troubleshooting Common Issues with Your Smooth Hydrangea

Even the most resilient plants can encounter a hiccup or two. Understanding common issues with your Incrediball hydrangea allows you to quickly diagnose and address them, keeping your plant healthy and blooming.

Lack of Blooms

If your Incrediball isn’t flowering as profusely as you’d like, consider these factors. The most common culprit is often too much shade.

While it appreciates afternoon protection, insufficient morning sun can reduce flowering. Assess its light exposure; if it’s too dark, consider transplanting it to a brighter spot in spring or fall.

Another reason could be improper pruning. Since it blooms on new wood, if you prune too late in the spring, you might cut off emerging flower buds. Ensure your pruning is done before new growth really takes off.

Floppy Stems and Weak Growth

The Incrediball hydrangea was specifically bred to address the floppy stem issue common with its predecessor, ‘Annabelle’. Its stronger stems are a key characteristic.

However, if you notice some flopping, it might be due to excessive fertilizer (too much nitrogen can lead to weak, leggy growth), too much shade, or simply an exceptionally heavy bloom year coupled with significant rainfall.

Ensure balanced fertilization and adequate sunlight. Sometimes, a simple support ring can help during peak bloom if the flower heads are unusually large.

Pests and Diseases

Thankfully, the Incrediball hydrangea is generally quite resistant to most serious pests and diseases. This is another reason why it’s such a fantastic plant for home gardeners!

Occasionally, you might spot aphids on new growth or powdery mildew during humid periods. Aphids can often be dislodged with a strong spray of water from the hose.

For powdery mildew, ensure good air circulation around the plant and consider a horticultural oil or neem oil spray if it becomes persistent. Always read and follow product instructions carefully.

Winter Protection (Mostly for Zone 3)

Given its impressive cold hardiness, the Incrediball rarely needs extensive winter protection in most zones. In Zone 3, or if you experience unusually harsh winters, a thicker layer of mulch (4-6 inches) around the base can provide extra insulation.

Once established, these plants are remarkably resilient and bounce back beautifully each spring, ready to produce another season of stunning blooms.

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Incrediball Hydrangea Plant: Design Ideas and Companion Planting

The magnificent white blooms of the Incrediball hydrangea make it an incredibly versatile plant in the garden. Its robust nature and striking appearance allow it to fit into various landscape designs, from formal to cottage-style gardens.

Stunning Mass Plantings and Borders

One of the most impactful ways to use the Incrediball is in mass plantings. Imagine a hedge or a large bed filled with dozens of these giant white spheres! This creates a truly breathtaking focal point and provides continuous bloom throughout the summer.

They also work wonderfully as a backdrop in mixed borders, providing a lush, green canvas for other plants before their spectacular blooms emerge.

Foundation Plantings and Containers

Due to their manageable size (typically 4-5 feet tall and wide), Incrediball hydrangeas are excellent choices for foundation plantings around your home. They add curb appeal without overwhelming the space.

For smaller gardens or patios, they can even thrive in large containers. Just ensure the pot has excellent drainage and is big enough to accommodate the root ball, providing ample space for growth. Container plants will need more frequent watering.

Complementary Companion Plants

Pairing your Incrediball hydrangea with the right companion plants can enhance its beauty and create a harmonious garden scene. Consider plants with contrasting foliage textures or complementary bloom colors.

  • Hostas: Their broad leaves and varying shades of green, blue, and variegated patterns provide a beautiful textural contrast at the base of the hydrangeas.
  • Ferns: Delicate, feathery ferns offer a soft, elegant look and thrive in similar part-shade conditions.
  • Astilbe: With their feathery plumes of pink, red, or white, astilbes add another layer of texture and color, often blooming around the same time as hydrangeas.
  • Evergreen Shrubs: For year-round structure and interest, plant smaller evergreen shrubs like boxwood or dwarf conifers nearby.

The possibilities are endless when incorporating this reliable and beautiful shrub into your garden. Its bright white flowers are a true beacon of summer joy.

Frequently Asked Questions About Incrediball Hydrangea Plants

How big do Incrediball hydrangeas get?

Typically, Incrediball hydrangeas grow to a mature size of about 4 to 5 feet tall and wide. With optimal conditions and proper pruning, they can sometimes reach slightly larger dimensions, but generally, they remain a very manageable size for most gardens.

Do Incrediball hydrangeas bloom on old or new wood?

The Incrediball hydrangea, like all Hydrangea arborescens varieties, blooms exclusively on new wood. This means the flowers develop on the growth that emerges in the current growing season. This characteristic simplifies pruning significantly, as you don’t have to worry about accidentally cutting off next year’s blooms.

Are Incrediball hydrangeas deer resistant?

While no plant is entirely “deer-proof,” Incrediball hydrangeas are generally considered to be quite deer resistant. Deer tend to prefer other plants over them, though a very hungry deer might nibble if other food sources are scarce. I’ve personally had very little deer damage on my smooth hydrangeas.

Can I change the color of my Incrediball hydrangea flowers?

No, the flower color of Incrediball hydrangeas cannot be changed. Unlike Bigleaf hydrangeas (Hydrangea macrophylla) whose bloom color varies with soil pH, Incrediball (a smooth hydrangea) consistently produces pure white flowers, regardless of the acidity or alkalinity of your soil.

When is the best time to deadhead?

You can deadhead spent Incrediball blooms at any time to maintain a tidy appearance, but it’s not strictly necessary for the plant’s health or future flowering. The dried flower heads can even provide winter interest. If you choose to deadhead, simply snip the spent bloom off at the first set of healthy leaves or buds below it.

Conclusion

You now have all the expert knowledge to grow a truly spectacular incrediball hydrangea plant! From choosing the right location to mastering simple pruning techniques, you’re well-equipped to enjoy these magnificent, resilient blooms in your garden.

Don’t be intimidated by their impressive size; these are some of the easiest hydrangeas to care for, making them a fantastic choice for gardeners of all experience levels.

Embrace the joy of gardening with confidence. Go forth, plant your Incrediball, and prepare to be amazed by the stunning display it brings to your outdoor space. Happy gardening!

Rimon Chowdhury
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