Do hydrangeas spread?

When choosing a location, make sure there's plenty of space for the hydrangeas to grow and spread. Depending on the variety, they grow between 3 and 10 feet wide and can reach heights of up to 15 feet tall. Therefore, you want to make sure a mature plant does not overtake your front-of-house landscaping.
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Do hydrangeas multiply?

There are two key factors to consider when clipping hydrangeas to multiply the plant: when you cut and where you cut. The best time is between late spring and early summer when new stems first start to harden. New stems will bend but snap off easily, and these cuttings are predisposed to robust growth.
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Do hydrangeas spread fast?

Hydrangeas are classified as rapid growers, or 25 or more inches per year until the plant reaches maturity. A "tree" format plant will become at least 3 inches wide at a point 4 1/4 feet high and grow at least 13 feet high.
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Are hydrangeas invasive?

Hydrangeas are considered caning shrubs or those that develop new growth/stems - the canes - directly from the root crown and that can over time significantly increase the size of the shrub. So while they can sometimes spread, they are not invasive.
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How do I stop my hydrangea from spreading?

Edge the area you want to keep intact. Use a sharp spade to cut through the rhizomes (underground root-like stems) to disconnect the hydrangeas you want to keep from those you want to remove. Continually prune the unwanted stems to ground level whenever they appear. Over time these stems should weaken and die.
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Hydrangeas - everything you need to know about growing hydrangeas in your garden



Will hydrangea roots damage pipes?

Your hydrangea roots won't hurt the pipes you found. On the other hand, a tree planted over pipes might damage them due to the tree's roots swelling and gradually bending the pipe.
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Will hydrangeas grow back if cut down?

They are best pruned in fall or winter. Even if you cut canes back to ground level during dormancy, the shrubs will grow back and produce blooms in spring.
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Where is the best place to plant hydrangea?

Many people plant hydrangeas in beds next to their homes or fences. This is because hydrangeas love the warm morning sun, but they dislike the heat of the afternoon. The best place to plant hydrangeas is in a sheltered location with sunny mornings and shady afternoons.
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How long does it take a hydrangea to grow to full size?

Though they are fast growing shrubs, it can take 2-4 years for hydrangeas to reach their full size. Some are faster to mature than others.
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How long do hydrangeas live for?

Hydrangeas are long-lived shrubs, sometimes living for up to 50 years if properly cared for. They enjoy morning sun but afternoon shade, and they need frequent watering during the growing season. Prune them in the fall after the blooms fade so they can grow on strong stems the following summer.
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Do hydrangeas like sun or shade?

Hydrangeas grow best in full sun (more than 6 hours sun) to part sun (4-6 hours sun). With that being said, all hydrangeas can handle some shade, but the timing and type of shade are important to consider. They can be in full shade during the hottest part of the day, as long as they are getting some morning sun.
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How much space does a hydrangea need?

Some varieties are more tolerant of full sun. Space hydrangeas anywhere from 3 to 10 feet apart, depending on type. Always space plants based on their expected size at maturity!
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What is the best time of year to plant hydrangeas?

When is The Best Time to Plant Hydrangeas?
  • The best time to plant a hydrangea is well before the high heat of summer arrives. ...
  • Aim for late spring, well after any danger of frost has passed, or early fall, when night temperatures usher in cooler air.
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How wide do hydrangeas get?

Hydrangea size

Also take into account the mature size of your hydrangeas. Some only grow to about 2 to 3 feet tall and wide, while others grow up to 6 feet tall with a 6 foot spread. Smaller hydrangea varieties are perfect for compact garden beds, patio pots and areas with limited space.
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Do hydrangeas need a lot of water?

The hydrangea should be watered thoroughly at least 3 times a week. Always water the plant all the way around the container, not just in one place. Water should come out the bottom of the pot. Never let it sit in water which will cause the roots to rot away.
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What side of the house do you plant hydrangeas?

These bushes do well in partial shade and can not tolerate either full sun or full shade. Hydrangeas also come in a climbing variety, H. anomala. This variety can be planted on a trellis on the north side of the home or be permitted to climb the side of a building.
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Should I cut off the dead flowers on my hydrangea?

No need to worry – this is simply a sign that it's time to remove the flowers, a process called deadheading. When you deadhead hydrangeas, you aren't harming the plants at all. Removing the spent blooms triggers flowering shrubs to stop producing seeds and instead put their energy toward root and foliage development.
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What happens if you cut hydrangeas all the way down?

It is easy to grow these hydrangeas because they bloom every year regardless of how they are cared for or treated. They can be pruned to the ground in the fall and they will emerge in the spring with bountiful blooms. However over a period of time this drastic pruning may cause the plant to slowly weaken.
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How do I get more blooms on my hydrangeas?

To increase blooms, plant the hydrangea in an area of morning sun with shade in the afternoon, ensure the soil is consistently moist and apply a well-balanced fertilizer in Spring. Hydrangeas bloom on last year's growth, so avoid pruning your hydrangea too often, to encourage more flowers.
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Can I plant hydrangea close to house?

When choosing a location, make sure there's plenty of space for the hydrangeas to grow and spread. Depending on the variety, they grow between 3 and 10 feet wide and can reach heights of up to 15 feet tall. Therefore, you want to make sure a mature plant does not overtake your front-of-house landscaping.
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How far do hydrangea roots spread?

Hydrangea roots don't usually extend deeper than six inches, but you want to be thorough, so dig down about eight inches just to be safe. Once you've made your cuts in a complete circle around the plant, start digging in toward the center and loosening up the soil.
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What can I plant next to my house foundation?

10 Easy Foundation Plants for the Front of Your House
  1. Stonecrop.
  2. Catmint.
  3. Hosta.
  4. Ornamental Onion.
  5. Globe Arborvitae.
  6. Juniper.
  7. Panicle Hydrangea.
  8. Switch Grass.
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