How Much Space Does A Hydrangea Need?

How much space does a hydrangea need? Be sure to check the plant's tag to see what its mature size will be before planting it. When planting hydrangea, "you want to ensure there is space for air flow," McEnaney explains. To do so, plant hydrangeas at least two feet apart. This allows air to circulate between the plants and helps prevent mildew.

How tall and wide do hydrangeas get?


genus name Hydrangea
plant type Shrub
height 1 to 3 feet 3 to 8 feet 8 to 20 feet
width from 2 to 12 feet
flower color Blue Purple Green Red White Pink

How long does it take for a hydrangea to grow to full size?

But they look fine and bloomed fine this season. The point is that they can take 1-3 years to become larger and established as the roots grow.

Can you keep a hydrangea small?

In general, plants should be pruned to improve appearance not control size. I repeat that because it's important: Hydrangeas should be pruned to improve appearance, not control size. The mature hydrangea is a shrub that cannot be made smaller.

Do all hydrangeas get big?

But despite their ability to be rather large showstoppers in your yard, how to grow hydrangeas isn't a question even the novice gardener will need to ask – these beauties all but grow themselves. Reaching up to 15 feet in height, the hydrangea grows quickly and often fills in a space in just one summer.

Related faq for How Much Space Does A Hydrangea Need?

How fast do panicle hydrangeas grow?

Hydrangeas are classified as rapid growers, with some varieties growing an average of 25 inches per year until they reach maturity. Other hydrangea varieties, such as the Hydrangea paniculata can grow up to 2 feet per year.

How fast does a hydrangea grow?

To ensure that hydrangea shrubs have time to establish a healthy root system before blooming, it is best to plant them in fall or early spring. Once planted, hydrangeas are rapid growers, averaging 2 feet or more of growth per year.

Do hydrangeas multiply?

Propagate Hydrangea cuttings in 2 easy steps! Multiply beautiful Hydrangeas for free in 2 weeks. Start rooting plants with a FAIL PROOF propagation secret! All Hydrangea varieties from showy Hydrangea macrophylla, to dreamy Hydrangea arborescens are super easy to propagate.

How big do dwarf hydrangeas grow?

Most dwarf hydrangeas grow to around 3 to 5 feet (90 to 150 cm) tall so they're great for small gardens. Little lime hydrangeas (Hydrangea paniculata) are one of my favorite small hydrangea varieties. They grow 3 to 5 feet tall and have beautiful light green flowers that turn light pink as the flowers mature.

Is there a dwarf hydrangea?

Dwarf hydrangea varieties are plentiful, each echoing the beauty and style of their larger counterparts. You can find types of dwarf hydrangeas that thrive in USDA plant hardiness zones 3 through 9, so few gardeners will have to do without.

Why are hydrangea blooms small?

Here are some of the reasons why your plant might not be blooming well. Improper pruning: big leaf hydrangeas (the ones with blue or pink flowering, either mop-head or lacecap) form their flower buds in the previous summer. If the canes are cut down in the fall or the spring you'll have fewer flowers.

How do I grow large hydrangeas?

Plant bigleaf hydrangeas in half-day sun in average soil; full sun in areas with cool summers and consistently moist soil. Water them well in spring and early summer; it's okay to let them be a bit drier from late summer to early autumn. Amend the soil with organic matter (such as compost) on a yearly basis.

Can you divide hydrangea?

If you don't see any shoots or are getting pieces without roots, entire hydrangea plants can be dug and split into two or more pieces. Other times, you might need a fork or shovel to help divide the plant. Either way, once you have two pieces with roots attached to each, you now have two plants to replant.

How close to a fence can I plant a hydrangeas?

Planting hydrangeas in borders, for example, along a fence or by a structure, can help protect them from very strong winds. Spacing hydrangea plants 3 to 10 feet apart is a good rule of thumb. Some hydrangea bush types grow to be 3 feet tall and 3 feet wide, while some can grow to be 15 feet tall and 12 feet wide.

How tall do panicle hydrangeas get?

Hardy from zones 3 to 9, this hydrangea offers white flowers that turn pink in the fall. Growing 4 to 6 feet in height, this shrub serves as a perfect border plant.

Are panicle hydrangeas perennial?

All hydrangeas are either woody or herbaceous perennials. Two other hydrangeas with a large shrub or spreading tree habit are panicle hydrangea (H. paniculata) and oakleaf hydrangea (H. quercifolia).

What side of house do you plant hydrangeas?

  • No matter what part of the country you live in, the north-facing side of your home is largely without sunlight.
  • Hydrangeas also thrive in wooded areas, so they do well when planted near small evergreens or woody shrubs.

  • What happens if you don't cut back hydrangeas?

    Hydrangeas that bloom on old wood do not need pruning and are better off for it. If you leave them alone, they'll bloom more profusely the next season. Just remember new growth may come, but that new growth will be without blooms next season.

    When should I buy a hydrangea?

    The best choice of hydrangeas in garden centres is available from mid-summer when they are in flower, but containerised plants are available all year round.

    Do hydrangeas make a good hedge?

    Because hydrangeas are so large in their adult form the freestanding specimens are great for hedges and they look amazing over summer. The varieties of hydrangea that are typically planted for hedges have the larger flowers on the outside. These flower heads will grow into large round shapes or long cone shapes.

    Do hydrangeas attract bees?

    The fertile flowers of hydrangeas are small and insignificant and not as showy to our eyes but are heavily frequented by bees. Lacecap hydrangeas have a broad central cluster of fertile flowers surrounded by showy infertile flowers. Bees love its flowers and so do we.

    How long do hydrangeas take to flower?

    Place the pot in a sheltered location out of direct sunlight. Check the hydrangea cutting every few days to make sure the soil is still damp. In about two to four weeks, the cutting will be rooted and your hydrangea propagation will be complete.

    Can hydrangeas be rooted in water?

    Many people think of hydrangeas as perennial flowers, but these plants are woody-stemmed shrubs that root differently than non-woody, soft-stemmed plants. That's why rooting hydrangeas in water, like you may do with some houseplants, rarely succeeds.

    When should I plant my hydrangea outside?

    So, when is the best time to plant hydrangeas? Aim for late spring, well after any danger of frost has passed, or early fall, when night temperatures usher in cooler air. If you garden in a region where the ground freezes, get plants into the ground at least six weeks prior to fall's first killing frost.

    How long does a potted hydrangea last?

    It's a good question, since the potted hydrangeas given as gifts rarely last more than a few weeks. The good news is that they can, as long as you treat them right. Since they can get quite big and produce stunning blossoms all summer long, growing hydrangeas in pots is well worth it.

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