How To Keep Hydrangeas Small

All of this does not, however, guarantee that your beds, pathways, and trellises will be taken over by hydrangeas. A clever gardener may incorporate these profusely flowering shrubs into a well-planned garden using a variety of techniques.

: Choose the Right Variety

Before you get your plant home from the nursery is the optimum time to start managing its size. Look for a variety that will fit in the area of your garden that needs to be filled, even after it has grown to maturity. Not all hydrangea varieties grow into towering hedges. Even in their best growth environments, many dwarf cultivars maintain their modest size while producing lovely blooms.

If you want something compact, think about one of these Hydrangeas:

Small Quickfire This panicle hydrangea blooms early and has fluffy-looking white flower cones that mature to soft reds and purples. Its mature height will be between three and five feet.

Penny Mini. The Mini Penny, a diminutive variation of the popular Mophead Hydrangea, grows to a maximum height of three to four feet while producing the same abundant, vibrant flower clusters as its larger relatives. You’ll get blossoms in both the spring and summer because it blooms on both new and old wood.

Small Lime. The blooms of this additional panicle type, a little variation of the well-known Limelight Hydrangea, start out green in the summer and turn pinkish-red in the fall.

Time to dance. These tough Lacecap Hydrangeas keep their size to a manageable two to three feet. However, they produce enormous pink or tiny blue petals, making them flower powerhouses.

PEEE WEE This tiny version is worthwhile to look at if you enjoy the beautiful white blooms and the crimson fall foliage of Oakleaf Hydrangeas. When fully grown, it is about four feet tall and three feet wide.

: Give Them Plenty of Sun

Hydrangeas want to welcome the sun every morning, just like your yoga instructor. Early morning sunlight is ideal for them; if you set them in an area that is too shaded, they may reach higher in an effort to catch those priceless rays.

Avoid going overboard, but the optimum location is typically one that receives some shade during the warmest part of the day.

: Don’t Over-Fertilize

You probably use some kind of fertilizer on your hydrangeas, whether you think chemical can improve gardening or you’re a compost-only kind of person.

However, if your bushes are outgrowing their capacity, cutting back on their food is a quick and easy solution to get them to back off. In fact, it’s almost always preferable to use too little fertilizer than not enough. A single application of a controlled-release fertilizer in the springtime should be adequate.

: Grow Hydrangeas in Containers

Hydrangeas are voracious growers, but if their roots are confined by ceramic or stone, they can only grow so far. You can prevent them from spreading too far by growing them in a pot. Of course, the correct container can also stand alone as a chic accent to your yard.

Non-dwarf hydrangeas can be grown in containers, but pruning may still be necessary. In order to prevent the soil from drying up too quickly after watering, you should still choose a pot that is a good size, measuring at least 18 to 20 inches around.

Hydrangeas can they be kept small?

Few gardeners will be without miniature hydrangea varieties because they can grow in USDA plant hardiness zones 3 through 9. For gardeners with limited area, planting miniature hydrangeas in the landscape is a wonderful way to still enjoy these lovely plants.

How do I prevent my hydrangeas from becoming so large?

Myers believes excessive trimming can be harmful, even though deadheading your hydrangeas can be beneficial for fresh growth. The energy held in the roots of “Annabelle” cultivars will all be used to produce above-ground growth, which is frequently insufficient to support the blooms, according to the author. The older stems can help sustain the new growth while a late winter 15 to 18 inch cutback will promote new development from the roots up.

If chopped, will a hydrangea grow back?

If you have hydrangeas like panicle and smooth hydrangeas, which set bloom buds on current season wood, you can be more liberal about pruning. Winter or fall are the optimum times to prune them. Even if you trim canes to the ground when the bushes are dormant, they will grow back and flower in the spring. However, cutting stems all the way to the ground over time weakens them, so you might need to stake the plants to keep them standing. This severe trimming could eventually make the plant grow back weaker.

Are you able to mold a hydrangea bush?

In the late winter, early spring, or just above a big bud known as a heading cut, trim back stems. The flower heads of these plants have a conical form. I wait to prune these until late winter or spring because I advise leaving the dried, tan flower heads on the plant to add some winter beauty to your garden. Favorite panicle hydrangeas include:

  • H. paniculata ‘Bulk’ PP16, 812, Quick Fire
  • (H. paniculata ‘Limelight’)
  • Berry White (H. paniculata ‘Renba’ PP28, 509) first editions

My hydrangea is enormous; why?

“My hydrangea is too huge,” our clients often complain.

How do I cut it back? It’s crucial to know what kind of hydrangeas our clients have before we can respond to such an inquiry. Are those mopheads (Hydrangea macrophylla or H. serrata) or blue lace caps? Or do they cultivate hydrangeas (Hydrangea arborescens) in pink or white, like Annabelle or Incibelle Spirit? Maybe our clients are cultivating native oakleaf or white panicle hydrangeas (H. paniculata) (Hydrangea quercifolia). Knowing which type of these plants is being produced is crucial since they all respond to trimming in various ways.

It’s important to note this before we get into the details and the crucial photos: attempting to limit a plant’s size through trimming is typically foolish. The plant’s genetics, which dictate its height, width, and shape, are the first thing you’re fighting. Second, trimming consistently promotes growth. Therefore, if you heavily prune a plant, it may appear that you are making it smaller, but the plant will immediately strive to make up for the lost growth. The best course of action would therefore be to transfer a hydrangea and plant a smaller type in its place if it is too big for the area where it has been growing.

In addition, no matter when you trim back a blue lacecap or mophead, they will not only grow back to their previous height in just one summer, but you won’t get many flowers the next season.

The smooth hydrangeas, like Annabelle, Incrediball, or Invinceabelle Spirit, will continue to bloom even after being trimmed back, but frequent pruning causes the stems to become weaker and more likely to bend over, spilling the blooms to the ground. Once more, if these plants are too big for where they are, move them and replace them with a Wee White or Mini-Mauvette instead because they will stay smaller.

Hydrangeas with a panicle shape, such Lime Light, Pinky Winky, Fire Light, and others, can get fairly big. If they are hard pruned, they will still flower, but this frequently leads to quick regrowth and larger flowers that drag the stems down. However, there are options to trying to shorten a plant. It’s frequently preferable to transform larger plants into little trees when using panicle hydrangeas.

Hydrangeas of the panicle kind like Bobo, Little Quick Fire, and Fire Light Tidbit remain shorter in height. A medium-sized shrub, little lime (around 5 to 6 feet tall and wide).

Any Hydrangeas that are out of place can be easily moved in the fall. Early September is the best time to dig them, then sow the seeds where they can grow to the size that their genes indicate. Once the plants have been relocated, the only pruning required is to take off dead wood and crossed or rubbing branches on the other kinds and remove dead canes from the mopheads and lacecaps. When a plant is developing properly, you can prune it to make it seem better and stop attempting to control how big the shrub gets.

Can a huge hydrangea be split?

A hydrangea’s roots shoot can be cut off from the mother plant and planted somewhere to produce a new (and free) hydrangea.

Q: In front of my house, there is a really enormous hydrangea. It receives morning sun and is flourishing. I want to split it in half and move a piece of it to another area of my yard. Can you divide hydrangeas? If so, when would be the ideal time to do it? Do they thrive in the shade?

A: Hydrangeas are an exception to the rule that not many shrubs may be divided like perennial flowers, and they are probably one of the simplest to “create kids” this way. Comparable to splitting a perennial flower, the procedure.

The greatest option is to search for shoots that are poking through the plant’s outermost layer. These shoots typically have their own healthy underground root system at their base a year or two after they first appear.

Sever the stalk with a spade to check for a piece with roots. If you succeed, you will have a young plant that is prepared for replanting.

This type of viable perimeter shoot is common on mature hydrangeas, and it can be dug up and divided. It’s the major method by which hydrangeas increase their range.

Whole hydrangea plants can be pulled up and divided into two or more parts if you don’t notice any shoots or are obtaining portions with no roots.

Look for naturally occurring divisions in the root ball, such as intersections where the main stems are protruding. A wishbone from a turkey can sometimes be separated by simply pulling apart the parts. To divide the plant, you could occasionally require a fork or a shovel.

In either case, you now have two plants to replant once you have two sections with roots connected to each.

Early spring is the ideal time to divide bigleaf hydrangeas, when the stems’ fresh green buds are just beginning to swell and unfold. A few while ago, that was. Mid to late October is an excellent period as well.

Treat divisions like a fresh plant by keeping them continually wet. These divisions’ smaller, weaker roots can’t draw as much moisture from the soil as a mature hydrangea’s large, well-established root system.

Your hydrangea’s placement in the early-morning sun is ideal. The majority of hydrangea varieties thrive in rich, moist soil with good drainage that receives early and afternoon shade.

Although they will live in heavy shade, they might not bloom at all or only slightly. Choose the native smooth hydrangeas, botanically known as Hydrangea arborescens, for heavy shade.

By the way, another question I’ve been getting lately is how hydrangeas will fair after many of their new leaves were destroyed by the almost record-breaking cold weather we experienced the third week of April.

Only the young leaves sustained the harm that I saw. In June, I predict that fresh leaves will emerge and the flower buds will unfold gracefully.

The flower buds weren’t developed enough, in my opinion, for the late cold blast to cause them significant harm.

Readers should be aware that if you use one of our affiliate links to make a purchase, we might receive a commission.

How do I maintain the size of my Limelight hydrangeas?

Pruning all of the stems on the shrub midway along their lengths in the fall after flowering is a less time-consuming approach for the home gardener that keeps the blooming potential of “Limelight” intact. After that, cut back any new growth to the same length in the spring. A hydrangea that has been severely clipped in this way frequently grows back to its original size without suffering any damage. A “Limelight” can also be pruned in the early or middle summer; while it is unlikely to bloom at that time, it will the following year.

Only trim the bush’s stems at the top of the trunk if you’re growing “Limelight” as a standard. Avoid pruning the trunk to prevent the plant from returning as a multi-stemmed shrub. When the trunk’s baby branches develop to the size of a pencil, cut them off. A typical “Limelight” shrub needs to be pruned regularly throughout the year to keep its rounded shape and to stop thick branches from sprouting from the trunk and ruining the overall appearance.

What’s causing my hydrangeas to tumble over?

There are various reasons why hydrangeas droop, although disease is a rare one. Hydrangeas frequently show their displeasure with the environment by drooping. Welding is caused by too much sun, not enough water, and excessive flower loads, which can force delicate branches to bend till they touch the ground. Droopy hydrangea plants could be caused by even an excess amount of fertilizer.

Your hydrangea will need special care in order to solve the issue. Before attempting to address the factors that caused the first droop, you’ll need to play detective to ascertain what’s wrong with your plant. Finding the root of the issue could only require a soil test and some attentive observation.

How are hydrangeas made bushy?

With all varieties of hydrangea, it pays to grow a robust, bushy plant before you consider flowers. The first few years following planting are crucial for hydrangea trimming because they lay the groundwork for future years.

It is best to pinch or prune your plant when it is young in order to develop a robust, well-branched plant. A plant will produce twice as many branches and ultimately more flowers if the growing tip is removed.

If the plant was lanky when you bought it, hard-shear it back by a third to a half of its original size. Pinch the branch tips to remove only the growing tip once it has added one or two inches of growth. This point regulates branching. The buds beneath it will develop into two or more stems after it is removed. Pinch the tip out once again when these young branches have grown an inch or two.

As you take care of your garden, you can keep doing this all through the first growing season. This method produces a well-branched, full-bodied plant that will have more flowers in subsequent years, even though you may lose one year of bloom in the process.

Repeat the pinching procedure for the second growing season (or lightly shear). Stop trimming and pinching so that the flower buds can form.

When is the best time of year to prune my hydrangeas?

The type of hydrangea you have will determine when to prune it. It is necessary to prune hydrangeas that bloom on new growth in late winter or early spring. Hydrangeas that flower on old, woody growth must be clipped after flowering in the summer.

The specialists at the seed and plant firm Thompson & Morgan state that most hydrangeas are clipped in early spring, ideally in February or March, with the exception of climbing hydrangeas, which are pruned in summer (opens in new tab).

The clearest indicator that your hydrangea is ready for trimming is when all of the seed heads have dried up and new, vibrant green buds have begun to emerge. When you notice those, you’ll know it’s time to prune, according to Lee Burkhill of Garden Ninja (opens in new tab).

Although many hydrangea varieties are pruned at the same time of year—late winter or early spring—the methods for each variety vary.