Combining hydrangeas: 27 ideal companion plants

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Companion plants for hydrangeas

table of contents

  • Eye-catcher in the garden
  • Panicle hydrangea loves sun
  • Farm hydrangeas (H. macrophylla)
  • Snowball hydrangea (H. arborescens)
  • Hydrangea (H. serrata)
  • Velvet Hydrangea (H. sargentiana)
  • Oak leaf hydrangea (H. quercifolia)
  • frequently asked Questions

As solitary plants, hydrangeas are a real eye-catcher in every garden. With the right companion plants, however, their beauty is even more evident in a perennial bed. However, there are a few things to consider when combining with hydrangeas.

In a nutshell

  • Note location when combining
  • Hydrangeas love a sunny to partially shaded place
  • Companion plants must not be the sole eye-catcher
  • Combination tone on tone or mixed colors

Eye-catcher in the garden

Hydrangeas (hydrangeas) are eye-catchers in the garden even as solitary plants or when planted among themselves in small groups. However, this effect can be increased a lot with the right companion plants. It is possible to combine the hydrangeas with their plant partners tone on tone or simply mixed with one another. However, a few things have to be taken into account, so the accompanying plants should always remain more discreetly in the "background". In other words, don't steal the show from the hydrangeas. When making your selection, you should also ensure that not all hydrangeas love full sun, but that most varieties tend to feel comfortable in partial shade.

Panicle hydrangea loves sun

The panicle hydrangea (H. paniculata) with its creamy white flowers is crazy about the sun. For this reason, a wide variety of plant partners like

Scented nettle (agastache)

Scented nettle - Agastache
  • Height: 30 to 250 cm
  • Growth: bushy, upright, clump-forming
  • Flower color: white, blue, orange, red
  • Flowering period: June to September

Delphinium

Larkspur - Delphinium
  • Height: 120 to 180 cm
  • Growth: upright, clump-forming
  • Flower color: blue, purple, white, pink, cream colored
  • Flowering period: June to September

Red wig bush (Cotinus coggygria "Royal Purple")

Red wig bush (Cotinus coggygria Royal Purple)
  • Height: 200 to 300 cm
  • Growth: loose, broadly bushy
  • Flower color: yellowish panicles
  • Flowering period: June to July

Irises (Iris)

Iris - bearded iris
  • Height: 60 to 110 cm
  • Growth: upright, forming rhizomes
  • Flower color: white, blue, purple, yellow, multicolored
  • Flowering period: February to June

Coneflower (Rudbeckia)

Coneflower (Rudbeckia), combine hydrangeas
  • Height: 60 to 100 cm
  • Growth: upright, bushy, clump-forming
  • Flower color: yellow
  • Flowering period: August to October

Soft lady's mantle (Alchemilla mollis)

Soft lady's mantle (Alchemilla mollis), companion plants
Source: Daderot, Alchemilla mollis - Coastal Maine Botanical Gardens - DSC03315, Edited by Plantopedia, CC0 1.0
  • Height: 40 to 60 cm
  • Growth: clump-forming, bushy, expansive
  • Flower color: green, yellow
  • Flowering period: June to August

Tip: Yew (Taxus baccata) and boxwood (Buxus sempervirens) also go well with panicle hydrangeas.

Farm hydrangeas (H. macrophylla)

The large flower balls in various colors are particularly impressive. These plants feel very comfortable in partial shade. For combining, discreet plant partners should be chosen for these hydrangeas, such as

Hostas (hosta)

Hosta, companion plants
  • Height: 60 to 100 cm
  • Habit: bushy, fleshy rhizomes
  • Flower color: white to purple bell flowers
  • Flowering period: June to September

Cherry laurel (Prunus laurocerasus)

Cherry laurel (Prunus laurocerasus), opaque hedge
  • Height: 200 to 400 cm
  • Growth: bushy, upright
  • Flower color: creamy white candles
  • Flowering period: May to June
  • Special feature: excellent for background planting

Splendid sparrows (astilbe)

Astilbe, splendid spar, companion plants
  • Height: 10 to 100 cm
  • Growth: upright, bushy
  • Flower color: white, pale pink, red
  • Flowering period: June to September

Record sheet (Rodgersia)

Record sheet (Rodgersia), companion plants
  • Height: 70 to 160 cm
  • Growth: clump-forming, spreading, upright
  • Flower color: white, pink
  • Flowering period: May to August

Star umbels (Astrantia)

Star umbels (Astrantia), companion plants
  • Height: 50 to 70 cm
  • Growth: clump-forming, upright
  • Flower color: red, pink, white, green
  • Flowering period: June to August

Tip: A wide variety of ferns can also set beautiful accents here.

Snowball hydrangea (H. arborescens)

These hydrangeas love sunny to partially shaded locations. Its flowers appear pink and pure white. Suitable planting partners are here

Monkshood (aconite)

Monkshood (aconite)
  • Height: 50 to 150 cm
  • Habit: upright, long taproot
  • Flower color: violet, blue-violet, two-tone with white
  • Flowering period: June to September

High sedum (Sedum hybrids)

Tall sedum plant, Sedum telephium Xenox
Tall sedum plant, Sedum telephium Xenox
  • Height: 30 to 70 cm
  • Growth: upright, clump-forming, rhizomes
  • Flower color: pink, red, white
  • Flowering period: August to October

High flame flower (Phlox paniculata)

High flame flower (Phlox paniculata)
  • Height: 60 to 120 cm
  • Growth: upright, bushy
  • Flower color: red, pink, purple, white, multicolored
  • Flowering period: June to September

Globe thistle (Echinops)

Globe thistle (Echinops), companion plants
  • Height: 80 to 100 cm
  • Growth: upright, clump-forming
  • Flower color: blue
  • Flowering period: July to August

Note: A wide variety of ornamental grasses are also well suited as neighbors here.

Hydrangea (H. serrata)

These hydrangeas are an eye-catcher in themselves, especially in natural gardens. They prefer to grow in partially shaded places. The flowers shine in a blue to purple hue. The plate hydrangea can be combined well with the following companion plants

Dogwood (Cornus group)

American dogwood (Cornus florida), companion plants
  • Growth height: 120 to 250 cm
  • Habit: shrub-like, compact
  • Flower color: red, white, pink
  • Flowering period: April to July

Japanese anemone (Anemone hupehensis)

Japanese anemone (Anemone hupehensis)
  • Height: 50 to 130 cm
  • Growth: bushy, upright
  • Flower color: purple, pink, white
  • Flowering period: July to October

Purple bells (Heuchera)

Purple bells (Heuchera), companion plants
  • Height: 15 to 60 cm
  • Growth: upright, bushy
  • Flower color: white, red, pink, cream colored
  • Flowering period: May to August

Rhododendron (rhododendron)

Rhododendron, companion plant
  • Height: 30 to 400 cm
  • Growth: evergreen shrubs
  • Flower color: blue-violet, violet, white, yellow, pink, red
  • Flowering period: January to August

Sedges (Carex)

Shadow sedge (Carex umbrosa)
Source: Krzysztof Ziarnek, Kenraiz, Carex umbrosa kz02, edited by Plantopedia, CC BY-SA 4.0
  • Height: 5 to 120 cm
  • Habit: herbaceous, rhizomes
  • Flower color: yellowish, green, brown
  • Flowering period: April to June

Velvet Hydrangea (H. sargentiana)

This wild form, which comes from China, loves a shady to partially shaded location. The small shrub produces white to purple panicles. These hydrangeas are easy to plant under

Christmas roses (Helleborus niger)

Christmas roses (Helleborus niger)
  • Height: 10 to 30 cm
  • Growth: herbaceous, clump-forming
  • Flower color: pink, white
  • Flowering period: January to March and November to December

Scented violets (Viola odorata)

Fragrant violets
Source: Jörg Hempel, Viola odorata 02, edited by Plantopedia, CC BY-SA 2.0 DE
  • Growth height: 10 to 20 cm
  • Habit: rhizome-forming, herbaceous
  • Flower color: purple
  • Flowering period: March to May

Note: Good planting partner for the Velvet hydrangea are also purple bells and rhododendrons.

Lily of the valley (Convallaria majalis)

Lily of the valley (Convallaria majalis)
  • Height: 10 to 30 cm
  • Habit: herbaceous, rhizome-forming
  • Flower color: white
  • Flowering period: April to June

Foam blossom (Tiarella)

Foam blossom (Tiarella)
  • Growth height: 10 to 20 cm
  • Growth: runners, forming a carpet
  • Flower color: pink, white
  • Flowering period: April to May

Oak leaf hydrangea (H. quercifolia)

The hydrangea, which comes from North America, loves a spot in partial shade. The white flower panicles can be up to 25 cm long and the foliage is similar to that of the American red oak (Quercus rubra). Good neighbors are

Japanese maple (Acer japonicum)

Trees that remain small - Japanese maple
Acer japonicum with autumn leaves
  • Height: 100 to 200 cm
  • Growth: well branched, compact
  • Flower color: red, purple
  • Flowering period: May to June

Cranesbill (geranium)

Cranesbill - Geranium wallichianum
Geranium wallichianum
  • Height: 15 to 80 cm
  • Growth: herbaceous
  • Flower color: white, purple, blue, magenta, pink
  • Flowering period: June to July

Witch hazel

Witch hazel - witch hazel
Hamamelis x intermedia
  • Height: 200 to 400 cm
  • Growth: upright, broadly spreading
  • Flower color: dark red, red-brown, yellow, orange
  • Flowering period: February to March

Tip: Hydrangeas are also easy to combine with each other. The plate hydrangea, for example, goes well with the farmer's hydrangea.

frequently asked Questions

What should be considered when choosing companion plants?

Of course, these plants must have the same requirements in terms of location and care. The required lighting conditions are crucial. It should also be borne in mind that not every type of plant fits every type of hydrangea.

What demands does a hydrangea make on the location?

Normally they love the penumbra. Some can also handle full sun. The soil should be moist, rich in nutrients and humus, deep, with a pH between 5 and 6. Hydrangeas have a high demand for water.

Can hydrangeas simply be planted under?

Yes. Flowering bulbous and bulbous plants such as tulips, daffodils, snowdrops or crocuses are ideal for this. In addition, ground cover such as ivy (Hedera helix) and Günsel (Ajuga) cut a good figure.

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