Do Hydrangeas Come In Different Sizes?

There are approximately 23 species of hydrangea cultivated worldwide, but only five are commonly grown in the United States, according to the United States National Arboretum. All five are large and showy, but specific maximum sizes vary depending on the growing conditions, climate and specific cultivar.

Are There Different Sizes Of Hydrangeas?

There are 3 different types of hydrangea macrophylla; mophead, lacecap and mountain hydrangeas.

What Does A Hydrangea Plant Look Like?

All hydrangeas will bloom and grow well in morning sun and afternoon shade. This is especially true of the commonly grown Hydrangea macrophylla. Macrophylla hydrangeas are the blue and pink mopheads and lacecaps. The leaves on the Oakleaf hydrangeas will “color up” best in the fall if they receive some sun.

How Tall And Wide Do Hydrangeas Get?

Height/Spread: The mature size of a hydrangea differs depending on the variety. Some are as small as 3-feet tall and wide, while others can reach 15-feet tall and 12-feet wide.

What Side Of The House Do You Plant Hydrangeas?

Light-O-Day would be best planted on the east side to protect the variegated foliage. The only thing to watch for with hydrangeas on the south side is to make certain that you water deeply the first couple of years to grow good roots and get them established.

Do Hydrangeas Like Sun Or Shade?

Most hydrangeas thrive in rich, porous, somewhat moist soils. Add compost to enrich poor soil. They prefer full sun in the morning, with some afternoon shade; however, many will grow and bloom in partial shade.

How Do You Keep Hydrangeas 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.

What Are Blue Hydrangeas Called?

Known by their scientific name as Hydrangea macrophylla, bigleaf hydrangeas are the most common type of hydrangea. Mophead hydrangeas are the most recognizable and popular hydrangea due to their large puffy flower heads. Their flowers can be purple, blue, or pink, and they thrive in hardiness zone 6.

What Makes Hydrangeas Purple?

Generally speaking, acidic soil, with a pH lower than 6.0, yields blue or lavender-blue hydrangea blooms. Alkaline soil, with a pH above 7.0, promotes pinks and reds. With a pH between 6 and 7, the blooms turn purple or bluish-pink. To lower your pH, add garden sulfur or aluminum sulfate to your soil.

How Do You Make Hydrangeas Blue?

To encourage blue hydrangea flowers, grow the plant in soil that has a pH of 5.2-5.5. If your soil is more alkaline, you can lower the pH by applying Soil Acidifier at the rate specified on the package. Soil pH can also be lowered (more gradually) by applying an acidic organic mulch, such as pine needles or pine bark.

How Do I Get More Blooms On My Hydrangea?

How to Get More Flowers: Plant panicle hydrangeas in all-day sun or afternoon sun. Water them during times of drought. Amend the soil liberally with organic matter (such as compost) Limit hard pruning to early spring, just before new growth emerges. Deadhead blooms as they fade.

How Do I Make Blue Hydrangeas With Vinegar?

To increase the acidity of your garden’s soil, use vinegar! For each gallon of water in your watering can, add one cup of white distilled vinegar and pour on your hydrangeas. The acidity of the vinegar will turn your pink hydrangeas blue or keep your blue blooms from turning pink.

How Long Does It Take For A Hydrangea To Grow To Full Size?

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.

Should You Deadhead Hydrangeas?

Removing Spent Blooms on Hydrangea keep your plant looking fresh. The method for deadheading hydrangea blooms depends upon the time of year. If it’s before August, you should cut the spent blooms with a long stem attached. Cut the stem back as short as you like, making sure to leave those buds intact.

Do Hydrangeas Get Bigger Every Year?

Most new growth hydrangeas put on buds in early summer to bloom in the following spring, summer and early fall seasons. In hot climates, hydrangeas may stop blooming in the heat of summer, but will rebloom in the fall.

How Often Should I Water Hydrangeas Outside?

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.

Do Hydrangeas Get Big?

As its name implies, the panicle hydrangea (Hydrangea paniculata) features long panicles of white, densely-packed flowers. This is the largest of the shrub species and can reach a maximum average height and width of 15 and 12 feet respectively. It has been known to reach heights of 25 feet.

Is Hydrangea Poisonous?

Hydrangeas are not edible and are poisonous to cats, dogs and horses. All parts of the plant are poisonous because they contain cyanogenic glycoside. Some of the clinical signs you will include diarrhea, vomiting, and or depression.