It’s also important to consider each plant’s needs, preferred growing conditions, and your climate.

Hyssop comes in many colors besides blue and there’s sure to be one that complements your roses.

Catmint (Nepeta)

Catmint is a classic with roses.

Rose bushes on separate trellises with lavender bushes underneath

The Spruce / Evgeniya Vlasova

The abundant sprays of blue flowers engulf the rose flowers and hide their ugly “knees”.

Cut your catmint back after flowering and it will bloom again and again.

They bloom only once per season, but for a long time.

Anise-hyssop plant with tall purple flower spikes

The Spruce / Evgeniya Vlasova

Garden phlox (Phlox)

Phlox is an old-fashioned flower that has greatly improved over time.

New varieties are far less prone topowdery mildew.

The tall flowers form dense clumps that will encase your roses in lush foliage.

Bellflower plant with small purple flower clusters

The Spruce / Evgeniya Vlasova

Their steely blue color works especially well with pinks, corals, and yellows.

Geraniums (Geranium)

Hardy geraniums have long been a first choice for planting under roses.

The leaves are thick and remain attractive long after the pink flowers have faded.

Catmint plant with thin stems and small blue-purple flowers

The Spruce / Evgeniya Vlasova

Germander blooms early in the season when roses are just waking up.

Ladys mantle (Alchemilla)

Lady’s Mantle evokes English flower borders.

You always see it spilling over pathways, with its chartreuse flowers languorously bending toward the ground.

Blue false-indigo plant stems with deep purple tiny blooms and buds

The Spruce / Evgeniya Vlasova

It can bring the same charm when planted under roses.

Try and choose colors that blend with one another.

The paler lavenders look wonderful with both pastel roses and deep reds.

Garden phlox with pink rounded flowers clustered on stems

The Spruce / Evgeniya Vlasova

Meadow sage (Salvia)

Salvias are some of the most dependable and adaptable garden plants.

Their spiky flowers will start blooming just before your roses and continue on for weeks.

Be sure todeadhead, so you will get repeat blooms.

Globe thistle plant with deep purple spherical and spiked flowers

The Spruce / Evgeniya Vlasova

Choose multiple varieties that bloom at different times and you will have a long season of color.

Even when they are finished flowering, the round seedheads make a great foil for delicate roses.

They could easily engulf your roses, so be sure to allow some space between plants.

Small purple geranium flowers and buds in sunlight

The Spruce / Evgeniya Vlasova

The blue-green leaves provide a nice backdrop for when your roses are in bloom.

If you are looking for a low maintenancerose companion, this is it.

Annual phlox is low growing and blooms almost non-stop.

Germander (Teucrium)

Patrick Johns/Corbis/VCG / Getty Images

If this is when you are home to enjoy your garden, they will deliver quite a show.

Can you imagine the combination of rose and vanilla?

It comes in a wide variety of colors and heights.

Lady’s mantle plant with round lobed leaves and tiny green flower buds with dew

The Spruce / Evgeniya Vlasova

Larkspur (Consolida)

Larkspur can start blooming in the cool days of spring.

Million bells (Calibrachoa)

Million Bells seems to work just about everywhere.

These tiny cousins ofpetuniasbloom non-stop and the choice of colors will dress up any shade of rose.

Lavender plant with bright purple flower blooms

The Spruce / Evgeniya Vlasova

If kept watered, your pansies will resume blooming in the fall, when the roses close down.

Blue mist shrub (Caryopteris)

The gray foliage ofcaryopterisshrubs will beautifully offset any color rose.

Once the blue flowers bloom in late summer, the contrast is eye-catching.

Pink and yellow lily flowers and buds in garden

The Spruce / Evgeniya Vlasova

Boxwood (Buxus)

For a timeless classic,boxwood and rosescan’t be beaten.

Spirea (Spiraea)

Spirea shrubs are almost maintenance-free and they look good all season.

The foliage often starts out reddish and develops into either bright green or yellow.

Meadow sage plant with deep purple flower spikes in sunlight

The Spruce / Evgeniya Vlasova

New York Botanical Garden.

“Companion Planting for Roses.”

December 3, 2021.

Ornamental onion plants with purple globe-shaped flower clusters on tall stems

The Spruce / Evgeniya Vlasova

Russian sage plant with thin gray stems and tiny purple and delicate flowers

The Spruce / Evgeniya Vlasova

Sea holly plant with purple globe-shaped flowers and silver-spiked leaves

The Spruce / Evgeniya Vlasova

Spurge plant with round yellow-green flowers clustered on stem

The Spruce / Evgeniya Vlasova

Wormwood plant with silvery-green feathery leaves

The Spruce / Evgeniya Vlasova

Yarrow plant with yellow flower clusters on feathery leaf stems

The Spruce / Evgeniya Vlasova

Annual Phlox (Phlox drummondii)

Michele Lamontagne / Getty Images

Four o’clock plant with yellow and pink tubular flowers on variegated leaves

The Spruce / Evgeniya Vlasova

Purple heliotrope flowers clustered on top of stem in sunlight

The Spruce / Evgeniya Vlasova

Lantana plant with tiny pink and yellow flower clusters

The Spruce / Evgeniya Vlasova

Larkspur plants with tall stems with bright and light pink flowers

The Spruce / Evgeniya Vlasova

Million bells (Calibrachoa)

BambiG / Getty Images

Purple pansies with rounded petals clustered near the ground

The Spruce / Evgeniya Vlasova

persian shield strobilanthes dyeranus acanthaceae

AlexeyKamenskiy / Getty Images

Purple Angelonia in the summer flower bed

ouchi_iro / Getty Images

Flowering tobacco plant with purple trumpet-shaped flowers

The Spruce / Evgeniya Vlasova

Blue mist shrub stem with silvery-green leaves and tiny purple blooms

The Spruce / Evgeniya Vlasova

Boxwood shrubs trimmed in short rectangular shape

The Spruce / Evgeniya Vlasova

Daphne plant with tiny white flowers on branches with short oval leaves

The Spruce / Evgeniya Vlasova

Spirea plant with white flower clusters on branches

The Spruce / Evgeniya Vlasova