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Are Asters Perennials Or Annuals

Are Asters Perennials Or Annuals?

Are asters perennials or annuals, or in what classification do you place these adorable flowers that fill your garden with beautiful blooms?

Aster’s daisy-like flowers bloom in late summer or early fall and are easy to grow and bloom reliably. They are available in a wide variety of colors and sizes. There is a massive attraction to pollinators due to their brightly colored flowers and their highly disease-resistant.

So Are Asters Annuals Or Perennials
Are Dahlias Annuals Or Perennials?
Are Dahlias Annuals Or Perennials?

Asters are fall-blooming perennials that you will love. This hardy plant comes in shades of pink, purple, blue, or lavender. They are unique because they start blooming when everything else in the garden is looking tired and shaggy.

Asters are a beautiful alternative or companion to other flowers. Aster flowers score high in the autumn garden because of all the rich colors they come in. For those who want to keep their garden full of color late in the year as winter approaches, these flowers are an invaluable plant to grow.

So, if anyone asks you, is aster a perennial. Give them a resounding yes with a big smile.

What Kind Of Asters Should You Plant – Annuals Or Perennials?

Asters come in a variety of heights ranging from 12 inches to four feet, and they work best in the back or front of borders, depending on their size. They can be planted in USDA hardiness zones 3 to 8.

Some varieties are tall and stately, with others carrying a more mounded shape. They require full sun with at least 6 hours of direct sunlight.

When grown in too much shade, they get leggy and floppy and do not blow me well. Asters usually bloom for weeks, starting from early to late fall.

When Should You Plant Asters?

Plant your asters in the spring so they can bloom in the fall season. For late-season planting, you can purchase them already in bloom for the fall color.

The plants will more likely return next year as long as you get them in the ground at least 6 to 8 weeks before freezing begins.

Perennial Aster Species You Can Plant In Your Garden

Perennial asters from the aster, symphyotrichum, stokesia are all Asteraceae or the daisy family.

There are numerous perennial types available with colorful daisy-like blossoms and shrub plants.


The aromatic aster is a medium-sized native species with a mature height of about 1 to 3 feet and an equal spread.

This plant has a compact growth habit with stiff stems and branching that gives it a bushy appearance. The lower portions turn woody and brown in the fall. Its leaves may range from dark green to yellowish. The leaves have smooth margins, significant at the bottom and smaller near the top of the stem.

The flowers have violet-blue rays with yellow center discs. They are approximately 1 and 1/4 inches across clustered at the ends of the branches.  Their centers turn reddish-purple as they age.

Blue Wood

The blue wood, also known as heart-leaved aster, is a native species with a mature height of approximately 2 to 5 ft. Its width range from about 18 to 24 inches. The upright stems mature to reddish-brown and are heavily filled with blossoms.

This type tends to grow leggy and requires staking. Its leaves are prominently serrated and covered in sparse hair.  The lower foliage is heart-shaped and more extensive than the upper leaves, which weather and drop by late summer.

The blooms have pale to bright blue rays around the yellow center discs measuring about 3/4 of an inch across.


Calico or side flying a star is a medium-sized species that generally grows to about 2 to 3 feet tall with an equal width spread.

It has a bushy growth habit with hairy stems and matures to red-brown color. It has horizontal branching that requires staking in some cases.

The calico plant has bronze foliage in the fall. Its leaves are roughly textured, narrow, and can be hairy. They are more significant at the bottom, gradually becoming smaller towards the top of the stem.  The leaves may have some solution to the margins.

Its flowers have white rays tinged with purple, measuring 1/2 to 1/3 of an inch across. The center discs are yellow, maturing to reddish-purple. The blossoms are clustered in an upright panicle along the uppermost side of each stem, and this pattern gives this variety its alternative name, side flowering.


The frost or hairy aster is a native species that grows to mature dimensions between 2 and 4 feet wide. It has hairy stems and a clumping growth habit. Its sturdy straight stems darken to become Woody and brown. These plants require support as they grow older.

The leaves are hairy with a lance shape with slightly smooth margins. The leaves at the bottom are more prominent and tend to drop off when the soil becomes very dry.

The flowers are white race surrounded by pale yellow center discs that mature to reddish-purple color. They measure around 3/4 of an inch in diameter and are loosely clustered at the top of the stems.

New England

The New England storm is a tall native species that grows to at least 3 to 6 feet tall with a spread of about 2 to 3 feet wide. Its thick hairy stems are upright and non-branching and have hairy lance-shaped lines in the stems. It is necessary to stake this type so that it does not fall over as it grows.

Its flowers have rays of purple-pink, violet-blue or white clusters growing in dense cone-shaped panicles at the top of the stems. The flowers measure 1 1/4 inch wide with yellow center discs.

The New England asters are best grown in open spaces, so they have room to spread, such as property perimeters.

New York

The New York aster is a native species that grows up to 3to 6 feet high and two to three feet wide. It has an upright growth habit with thinner stems than those of the New England species. Given the height of the stems, it requires staking.

The leaves are smooth, grey-green, and lance-shaped with slightly serrated margins. The flowers are deep pink or purple-red clusters in dense panicles. They have a yellow disc center and measure about one and a quarter inches across the width.

 are asters annuals or perennials


Asters annuals or perennials?  you choose to either grow them afresh each year or leave them in the ground in winter for regrowth in the coming season.

Asters are well known for their exceptionally long vase life. It is beautiful to pick them, put them in a vase, allowing them to brighten your house in the fall.

If you strip all the leaves below the waterline, thin out the leaves up to the stem a bit more, and add a little vinegar in the water, maximizing the cut-flower potential.

When arranging your flowers, you can mix the rich purple and magenta colors with leaf flowering types – hydrangeas, sparky, and bright foliage for that perfect combo.

Next up, find out all about When To Cut Back Spiderwort.