How Do I Get My Climbing Hydrangea To Bloom?

by | Last updated on January 24, 2024

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When a climbing hydrangea won’t bloom, it’s sometimes the result of

too much nitrogen fertilizer

. Nitrogen encourages hydrangeas to put on a lot of dark green foliage at the expense of flowers. One to two inches of compost applied in a layer over the soil contains all the nutrients a young hydrangea vine needs.

What do you do if your hydrangeas don’t bloom?

The solution:

Prune your hydrangea only in the early spring when you can see the dead wood

. Again, if you see your hydrangea not blooming, make sure you know what type it is and note how far back it died the year before. Remember, it may need that old wood in order to bloom.

How do you fertilize climbing hydrangeas?

Fertilize this plant in the spring before the leaves begin to bud.

Granular fertilizer with a high phosphorous count

will create beautiful blooms. Fertilize again after the flowers have bloomed in the summer. As with other hydrangea plants, this species likes constantly moist soil.

How do you get a hydrangea vine to bloom?


Keep pruning to a minimum

, as heavy pruning of the vine can also delay flowering, and fertilize the vines in early spring each year. It is likely that you will get some flowers in the next three to four years. Climbing hydrangeas that get more sunlight tend to bloom more profusely.

What to feed hydrangeas to make them bloom?

Typically hydrangeas thrive when fed

an all-purpose, balanced fertilizer like a 10-10-10 N-P-K or 12-4-8 N-P-K

. To increase the size and quantity of hydrangea blooms, consider a fertilizer with more phosphorus. Phosphorus is the middle number, so a fertilizer labeled 10-20-10 will do.

How long does it take for a climbing hydrangea to bloom?

Climbing the Walls

Strong vertical growers with long lateral branches, they bloom prolifically over

four to eight weeks

, with five-inch white or pink lace-cap-like flowers.

Do coffee grounds make hydrangeas bloom?

Coffee grounds add extra acidity to the soil around hydrangeas. On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt.

The effect is pretty blue clusters of flowers

.

Why is my endless summer hydrangea not blooming?

Why are my Endless Summer Hydrangeas not blooming?

Over-pruning is a common reason for why Endless Summer Hydrangeas are not blooming

. They bloom on both old and new growth, so they do not require pruning unless there are dead, dying, or diseased branches.

What happens if you don’t prune hydrangeas?

What happens if you don’t prune hydrangeas? If you don’t prune hydrangeas then

they can eventually resemble a tangled mass of woody stems, and the flowers will become smaller and less showy

. Regular pruning of hydrangeas helps to maintain their shape and also encourages new growth and a better display of blooms.

Can I use Miracle Grow on hydrangeas?


All-purpose Miracle-Gro fertilizer is well suited for hydrangeas

. Mix the Miracle-Gro fertilizer with water according to package instructions for the size of your hydrangea shrubs. Apply the Miracle-Gro fertilizer every other time you water, about every two to three weeks.

Does climbing hydrangea need support?

Climbing hydrangeas (Hydrangea anomala subsp. petiolaris) are large, heavy vines that

need substantial support

.

What is eating my climbing hydrangea?


Rose Chafers (beetles

): Rose chafers are a beetle that is known for eating the flowers blossom of Hydrangea leaving small holes in the petals. They also eat the leaves between the veins of the plant causing further damage.

Is Epsom salt good for hydrangeas?

The short answer is

yes it will

– Epsom Salts is Magnesium sulfate and Sulfur is the mineral that we apply to the soil to lower the pH. You will also be applying Magnesium which should help enhance the color of your foliage since Magnesium is needed for chlorophyll production.

Are eggshells good for hydrangeas?

With eggshells, your plants stay fertile and have a better appearance.

Eggshells are believed to be good for hydrangeas

as it consists of calcium that is beneficial for the strength and growth of your plants. The magic of eggshells can only be enjoyed when you break them into powder form for the best results.

When should hydrangeas be cut back?

Trimming should be done

immediately after flowering stops in summer, but no later than August 1

. Do not prune in fall, winter, or spring or you could be cutting off new buds. Tip-pruning the branches as leaves emerge in spring can encourage multiple, smaller flower heads rather than fewer larger flower heads.

How often should I put coffee grounds on my hydrangea?

Start adding coffee grounds to the soil surrounding your hydrangeas in late fall. Sprinkle them around your hydrangeas, but be sure to work them into the soil to help eliminate any off-putting smell. You do not need to do this process often–just

two to three times per year

should be sufficient.

How do I make my hydrangea bloom blue?


Mix 1⁄4 oz aluminum sulfate with a gallon of water and soak the soil surrounding your hydrangeas in the spring, as soon as the plant begins to grow

. You’ll have to maintain that acidity throughout the growing season, so reapply in 4 weeks and again in 8 weeks.

Do hydrangeas need full sun?


Hydrangeas like morning sun, but do not do well if they’re in direct, hot afternoon sun

. Partial shade in the later parts of the day is ideal for these beauties.

How do I get my endless summer hydrangea to bloom?

Endless Summer

®

hydrangeas prefer

morning sun and afternoon dappled shade

. If they are planted in full sun, it may be too hot and intense for the blooms to produce. Also, over-watering and over-fertilizing your plants can inhibit bloom production.

How do I make my endless summer hydrangea bloom?

Does Endless summer hydrangea bloom on old wood or new wood?

The Endless Summer series blooms on

both new and old wood

, making the plants much more versatile in the landscape. However, if the plants are not properly fertilized in the spring, few if any buds will be produced on the current season’s growth.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.