Smooth Aster

Availability: Out of stock

Need some lovely flower power for your native wildflower garden? Sweet, daisy-shaped blossoms are a clear periwinkle blue with bright yellow eyes that deepen in color as the season goes on. The profuse and cheerful blooms of the Smooth Aster (Aster laevis) are just what you need for late summer colors that keeps going until frost! A dynamic pollinator plant with vital nectar resources, you will absolutely adore having it in your landscape!

The stem is tough, but this variety has smooth leaves. Like other Asters, it still reads as a fine-textured plant well-suited for the middle of flower beds. These faster-growing perennials may not bloom right away, but when they do - they do bloom with abandon! Filling out in cheerful clouds of flowers just as other plants are calling it quits! Not just long-lasting, Aster blooms completely cover the plant from late summer until frost. It is a definite bee and butterfly and hummingbird attractor, even feeding songbirds when left to go to seed.

Definitely one of nature's incredible shows, and so interesting to watch. Plan to add comfy seating nearby. It grows tall, so can handle a spot near the back of a border. Growing to about 2-3 feet high and about 18-24 inches wide, these tough perennials are xeric, incredibly cold-hardy down to USDA zone 4, and deer-resistant! Featuring fast growth and finely textured green leaves, Aster plants look fantastic even when not in bloom! The airy clouds of green foliage are so adaptable and carefree, that they require minimal maintenance to keep them looking great! Simply pinch back the tips of the plant in mid-July, you'll keep it a bit bushier and more compact.

Planting and Application:

Asters are a host plant for the Pearl Crescent Butterflies larvae, and feed hungry bees, butterflies, and other beneficial insects with their generous amounts of late-season nectar! It will also be absolutely covered with butterflies and pollinators from dawn through dusk. Try planting a completely native flower garden, naturalized prairie or wildflower border garden. Nature Hills offers many varieties of Aster to bring gorgeous blue tones to your fall landscape. Mix together for a special collection but be sure to include this hardy selection. It's been known to bloom all the way into November!

In the garden bed and border, these are light and airy perennials to add periwinkle, mist-like color and easy care resilience to cottage borders and cut flower gardens alike! Adding just one or two turns any garden into a pollinator garden! It would be fun to use this native as a filler in a large container garden. Smooth Aster is a great choice to include anywhere in the sunny parts of your gardens! It's a tough, pretty native wildflower that grows in dry prairies and open woods.

  • Periwinkle Blue Daisy-Like Blooms & Yellow Centers
  • Blooms Late Summer Through Frost
  • Attracts Butterflies & Bees!
  • Easy-Care & Adaptable Native Wildflowers
  • Airy Texture For Perennial Gardens, Pollinator Beds & Cottage Borders

#ProPlantTips for Care:

Best grown in full sun, native Asters can take some part sun and afternoon shade in the hottest of its favored USDA growing zones of 4 through 8. Plant these herbaceous perennials in a moderate soil range with good drainage. Xeric plants, native Asters are tolerant of lower moisture environments once established, but should not be allowed to become extremely dry during the summer. Pinching back the stem tips in late spring and early summer will produce denser growth and heavier blooming. This plant may be divided every few years in the spring.

  • Full Sun
  • Cold Hardy & Adaptable
  • Moderate to Low Moisture & Well-Drained Soils
  • Pinch Back in Late Spring/Early Summer
  • Rust, Disease & Deer Resistant

Order your fall garden upgrades and have them delivered to your doorstep with the beautiful native Smooth Aster from! Please understand that we must comply with local and state regulations. Sometimes these plants grow a little too well in certain areas and are considered invasive. That's why we've created Plant Sentry™, which helps us comply with all local and state regulations for invasive plants.

Buying Options for Plants

Nature Hills sells a large variety of plants with several options available. Plants are offered in both potted containers and as dormant bare root without soil. Here is a helpful resource to understand your options as you create a beautiful landscape with help from Nature Hills.

Ever wonder what a larger plant will mean for your landscape? Container Sizes are really all about the age of the plant!

Seasonally, Nature Hills offers hand selected, high quality bare root trees, shrubs and perennials. Bare root plants are sold by height from the top of the root system to the top of the plant. Plants may be taller than the height minimums.

  • Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc.
  • Popular sizes of select bare root plants is 1 foot, 18 inches, etc.

Nature Hills Container Size by Volume

Keep in mind, specific varieties and different growing conditions can affect the rate at which plants grow. Variations in size may occur.

Young Plants to 18 Months
Size Volume
2"x2"x3" Ranges from .18 to .21 dry quarts / .198 to .23 dry liters in volume
4.5" Container Equal to .65 dry quart / .72 dry liter in volume
Sprinter Pot Equal to .63 dry quart / .69 dry liter in volume
4" Container Ranges from .31 to .87 / .35 to .96 dry liter in volume
6" Container Equal to 1.4 dry quarts / 1.59 dry liters in volume
1 Quart Equal to 1 dry quart / 1.1 dry liter in volume
5.5" Container Equal to 1.89 of a dry quart / 2.08 dry liters in volume
4"x4"x5" Ranges from .8 to 1.1 dry quarts / .88 to 1.2 dry liters in volume
4"x4"x6" Ranges from 1.0 to 1.3 dry quarts / 1.1 to 1.41 dry liters in volume
4"x4"x9" Ranges from 1.1 to 2.1 dry quarts / 1.2 to 2.3 dry liters in volume
4"x4"x10" Ranges from 1.7 to 2.3 dry quart / 1.87 to 2.53 dry liters in volume
Plants 18 Months - 2.5 Years Old
Size Volume
2 Quart Equal to 2 dry quarts / 2.2 dry liters in volume
#1 Container Ranges from 2.26 to 3.73 dry quarts / 2.49 to 4.11 dry liters in volume
5"x5"x12" Equal to 3.5 to 4.3 dry quarts / 3.85 to 4.74 dry liters in volume
Plants 2 - 4 Years Old
Size Volume
#2 Container Ranges from 1.19 to 1.76 dry gallons / 5.24 to 7.75 dry liters in volume
#3 Container Ranges from 2.32 to 2.76 dry gallons / 10.22 to 12.16 dry liters in volume
Plants 3 - 5 Years Old
Size Volume
#5 Container Ranges from 2.92 to 4.62 dry gallons / 12.86 to 20.35 dry liters in volume
#6 Container Ranges from 5.25 to 6.01 dry gallons / 23.12 to 26.42 dry liters in volume
#7 Container Ranges from 5.98 to 6.08 dry gallons / 26.34 to 26.78 dry liters in volume

About Plant Sentry™

Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. Sites that display the Plant Sentry protection badge are protected from consumers buying and nurseries shipping material carrying invasive pests and diseases.

This proprietary eCommerce software prevents the shipment of a restricted plant to each state. The Plant Sentry system includes a shipment certification program. The Plant Sentry Compliance Officer works closely with and each nursery or fulfillment center to ensure only compliant plants are sold to customers.

Click Here to learn more

Plant Sentry


To obtain a more accurate shipment time-frame, simply enter your zip code in the “Find Your Growing Zone” box to the right. Our plants are grown all over the country and lead time on items may be different because of this. Once your order is placed, you will also receive the specific shipment time-frame information as part of your order confirmation. Once an item ships, you will receive shipment notification and tracking numbers, so you can follow along while your plant travels to your doorstep. We use FedEx, UPS, or USPS at our discretion.

Due to winter weather we have put a hold on shipping to the areas shown below in grey. You can still order now and we will ship the plant to you during an appropriate time for your zone.

*If you have found your zone already, it will be highlighted in the table below.
Color Zone Times
3 Spring 2019
4 Now
5 Now
6 Now
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11 Now

Shipping Rates

At Nature Hills we handle, package and ship the products you order with the utmost care to ensure healthy delivery. Shipping and handling charges are calculated based on the tables below. Please note that some items include an additional handling surcharge, these will be noted on the item's product page.

From To S&H
0 - 19.99 24.99
20 - 49.99 29.99
50 - 69.99 34.99
70 - 99.99 39.99
100 - 129.99 44.99
130 - 149.99 48.99
150 - 150+ Approx 28%

Click here to see our full rates


Smooth Aster Is Suited to Grow in Zones 4-8
Growing Zones 4-8
More Information
Brand Nature Hills' Choice
Botanical Name Aster laevis
Type Perennial
Mature Height 2 - 3 feet
Mature Spread 18 - 24 inches
Sun Exposure Full Sun
Soil Any Well-Drained
Moisture Low Once Established
Growth Rate Medium
Foliage Color Green
Pollinator Friendly Yes
Pruning Time Early Spring