16 Flowering Shrubs That Bloom All Summer

Raul Cornelius is a Senior Editor at BalconyGardenWeb and an expert in flower and herb cultivation based in Phoenix, Arizona. A frequent speaker at horticultural events, he is also an active contributor to Facebook flower groups. Holding an MBA and a BCom, Raul blends his gardening skills with strong leadership and analytical abilities. Passionate about writing and photography, he enjoys early mornings with coffee and books, and nature bike rides during weekends.
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These Flowering Shrubs That Bloom All Summer will change the look of your garden. Let’s find out more about these beauties in this article.

If you want the colors in your garden to stay intact even in the peak of heat, these flowers are a great choice as they keep on blooming no matter how warm the weather gets!


Flowering Shrubs That Bloom All Summer

1. Crape Myrtle

Flowering Shrubs That Bloom All Summer
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Botanical Name: Lagerstroemia indica

USDA Zones: 7-9

Crape myrtle blooms throughout summer with crinkled flowers in different shades. It grows 6 to 30 feet tall and wide, so it can also be used as a hedge or privacy screen.

2. Summersweet

Flowering Shrubs That Bloom All Summer 2

Botanical Name: Clethra alnifolia

USDA Zones: 3-9

Native to the eastern United States, Summersweet is a highly sweet-smelling shrub that bears flowers from mid-summer that last for 4 to 6 weeks.

3. Japanese Spiraea

Botanical Name: Spiraea japonica

USDA Zones: 4-9

Japanese Spiraea, a fast-growing plant, is another option if you are looking for a summer-blooming plant. Just be mindful that it is invasive, so you need to prune it regularly.

4. Rose of Sharon

Shrubs That Bloom All Summer 2

Botanical Name: Hibiscus syriacus

USDA Zones: 5-9

Rose of Sharon is a deciduous shrub that produces flowers in various shades, such as red, pink, purple, or white, during the summer season (usually from July to fall).

5. Abelia

Botanical Name: Abelia × Grandiflora

USDA Zones: 6-9

Abelia, a low-maintenance plant, is a suitable choice for growing as a bush border or alongside walls. Its bell-shaped flowers bloom best in full sun, from late spring or early summer until fall.

6. Oleander

Flowering Shrubs That Bloom All Summer in garden 4

Botanical Name: Nerium oleander

USDA Zones: 8-10

Another shrub that blooms throughout summer is Oleander. It is easy to maintain and withstands rough conditions well, which is why it grows along roadsides. However, be careful, as these are toxic.

7. Butterfly Bush

Botanical Name: Buddleja

USDA Zones: 5-9

Butterfly Bush gets its name from attracting lots of butterflies with its long, spiky blooms in colors like purple, white, pink, and yellow. It flowers abundantly from summer to fall.

8. Hibiscus

best Flowering Shrubs for Summer 5

Botanical Name: Hibiscus

USDA Zones: 4-9

Hibiscus are tropical shrubs that produce bunch of flowers in different shades of pink, white, and red. Though the blooms are short-lived, they do add a lot of charm to the garden!

9. Potentilla

Amazing Flowering Shrubs That Bloom All Summer

Botanical Name: Potentilla

USDA Zones: 3-7

If you are looking for an easy-to-care plant, then Potentilla is a great choice. Its flowering period is from early summer to the first frost, and it handles drought conditions well.

10. Rose

Shrubs That Bloom All Summer 1

Botanical Name: Rosa

USDA Zones: 3-11

No summer garden is complete without Roses, with their classic blooms and lovely fragrances. Modern rose varieties bloom repeatedly from spring through fall in a rainbow of colors.

11. Cape Plumbago

Botanical Name: Plumbago auriculata

USDA Zones: 9-11

Cape Plumbago is a versatile shrub prized for its clusters of sky-blue or white flowers that bloom profusely throughout the summer and into fall. It can be trained as a vine or grown as a shrub.

12. Redvein Enkianthus

Unique Flowering Shrubs That Bloom All Summer 4

Botanical Name: Enkianthus campanulatus

USDA Zones: 5-8

Redvein Enkianthus is a deciduous shrub, admired for its delicate, bell-like flowers that bloom in late spring and early summer. The blossoms are typically white or pink with red veining, creating a striking contrast against the green foliage.

13. Summer Snowflake Viburnum

Botanical Name: Viburnum plicatum var. tomentosum ‘Summer Snowflake’

USDA Zones: 5-8

Summer Snowflake Viburnum is a compact, multi-stemmed shrub known for its profusion of delicate white flowers that bloom from late spring through summer.

14. Weigela

Amazing Flowering Shrubs That Bloom All Summer 7

Botanical Name: Weigela florida

USDA Zones: 4-8

Weigela is a deciduous shrub with beautiful trumpet-shaped flowers in red, pink, yellow, or white from late spring to early summer. It sometimes reblooms lightly in the fall.

15. Bluebeard Spirea

Flowering Shrubs That Bloom All Summer 23

Botanical Name: Caryopteris x clandonensis

USDA Zones: 5-9

Bluebeard Spirea will reward you with a beautiful summer display. But don’t go by the name; it’s not a real Spirea. It’s great for containers because it grows only 2-3 feet tall and wide.

16. Dwarf Pomegranate

Botanical Name: Punica granatum ‘Nana’

USDA Zones: 8-12

If you live in a warm climate, this is the best plant you can grow, both for amazing display of red-orange flowers and those tasty fruits afterwards. Do note that it requires a full sun exposure all day long.

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