Climbing Aster

Ampelaster carolinianus

$24.00
Low Stock

1 Gallon | Hardiness Zones 5-9

Ampelaster carolinianus is a woody, scrambling, semi-evergreen vine that climbs through shrubs and over stream banks along the coastal plain of the southeastern United States, producing its lavender-blue flowers in November and December when every other aster has long since finished. It keeps its own schedule and has no interest in yours.

The common name — climbing aster — describes the habit accurately enough, but undersells the effect. On a mature plant given something to climb, the stems can reach fifteen feet or more, the woody structure persisting through winter in a way that no other aster manages. When it blooms in late fall, the flower display is generous and sustained: hundreds of small lavender-blue heads with yellow disc centers, borne on arching stems that drape and weave through whatever the plant has found to lean against. It is not a subtle plant in flower. It is also one of the last things in the garden attracting bees and butterflies before the season closes entirely.

Ampelaster carolinianus occurs in scattered localities along the southeastern coastal plain, typically scrambling over shrubs at the sunny margins of streams and wetlands — a plant of edges and transitions rather than interiors. In cultivation it requires something to climb or a structure to lean against, and it rewards the accommodation. Woodlanders was among the first nurseries to offer it in cultivation, which tells you something about both the plant's obscurity and its merit.

Photos courtesy of Alan Cressler.

Pickup available at Aiken Nursery

Usually ready in 2-4 days

Schedule Delayed Shipping in your Cart

Plant Specs
  • Zones: 5 - 9
  • Sun: Full Sun
  • Soil: Well-drained
  • Height at Maturity: 8 - 10 Feet
  • Spread at Maturity: 8 - 10 Feet
  • Growth Rate: Fast

Deciduous
Flower/Foliage

Flowers Flower heads approximately 1 inch across, with lavender-blue to purple ray florets surrounding a yellow disc. Produced in great abundance in loose, branching clusters along the upper stems. Blooms November through December — among the latest-flowering natives in the southeastern flora. An important late-season nectar source for bees and butterflies at the close of the season.

Foliage and Habit Leaves are lance-shaped to elliptic, 2 to 4 inches long, slightly hairy, alternately arranged on long, arching, woody stems. Semi-evergreen in most of its range — foliage persists through mild winters and drops in harder ones. Stems are woody and do not die back in winter, distinguishing this species from all other asters in cultivation. Habit is scrambling and scandent; the plant naturally climbs through and over neighboring shrubs rather than standing independently. Requires support or a generous neighboring shrub to perform at its best.
Care Info

Read full care instruction manual here.

Light Requirements: Prefers full sun to partial shade. Full sun encourages the best flowering, but it can tolerate light shade, especially in hotter climates.

Soil Requirements: Thrives in moist, well-draining soil. It prefers slightly acidic to neutral pH but is adaptable to a range of soil types, including sandy and loamy soils.

Watering: Requires regular watering, especially during dry periods. Keep the soil consistently moist but avoid waterlogging. Once established, it can tolerate brief periods of drought.

Temperature and Humidity: Hardy in USDA zones 5-9. It can tolerate a wide range of temperatures but prefers temperate climates. Humidity is generally not a problem, and it performs well in both humid and dry conditions.

Fertilization: Apply a balanced, slow-release fertilizer in early spring to support healthy growth and abundant flowering. An annual application of compost can also provide necessary nutrients.

Pruning: Cut back the stems to the ground in late winter or early spring to promote vigorous new growth. Deadhead spent flowers during the blooming season to encourage continuous blooming.

Pests and Problems: Generally pest-free but can occasionally attract aphids and powdery mildew. Ensure good air circulation and avoid overhead watering to reduce the risk of fungal diseases.

Suitable Environment: Ideal for borders, native plant gardens, and butterfly gardens. Its sprawling habit makes it suitable for ground cover and naturalized areas. It is known for attracting pollinators, including butterflies and bees.

Here’s a closer look at how we produce our plants:

From rooting to shipping, our top priority is ensuring you receive healthy, thriving plants for your garden’s success.

The majority of our plants are carefully cultivated from rooted cuttings, while we also utilize propagation methods such as seed, air layering, and grafting, thoughtfully chosen to suit each plant’s unique needs.

Our plants are cultivated using sustainable practices, including organic soil blends and eco-friendly pest management, ensuring they thrive while minimizing environmental impact.

We are proud to contribute to local biodiversity through ongoing donations to the Aiken Arboretum and support for local wildlife conservation efforts, helping to preserve and enhance our community’s natural ecosystems.

Grown in Aiken, South Carolina

At Woodlanders, we are committed to quality.

All our plant material is carefully propagated, grown, and nurtured at our humble nursery in Aiken, South Carolina.

Learn more about Woodlanders here.

Plant Success Tip #1

Unpack Promptly

Carefully unpack your plant as soon as it arrives. Check the roots and soil to ensure they are still moist. If the roots feel dry, lightly mist or water them before proceeding with planting or temporary storage.

Plant Success Tip #2

Acclimate Your Plant

Allow your plant to adjust to its new environment by placing it in a sheltered spot for a day or two before planting, especially if it has traveled a long distance. Avoid exposing it to extreme temperatures right away.

Plant Success Tip #3

Follow Planting and Care Instructions

Plant your new arrival as soon as possible, following the specific care guidelines provided. If planting outdoors isn’t immediately possible, temporarily pot it in well-draining soil to maintain health until conditions are suitable.

Read Care Instructions

Frequently Asked Questions

What to expect upon delivery

All our plants are sold in 1-gallon sizes, though the height of each plant can vary depending on its growth rate and seasonality, typically ranging from 1/2 to 2.5 feet.

Each plant is carefully packaged with its roots enclosed in a secure plastic bag containing moist soil, forming a compact root ball. To ensure safe transport, the box is padded with recycled newspaper, providing both stability and eco-friendly protection from weather during shipping.
What is your return policy?

Review our full return policy information on our SHIPPING AND RETURNS POLICY page.
What payment methods can I use?

We offer 35 different payment methods including major providers like Mastercard, Visa, PayPal, American Express and Diners as well as many different local payment methods including Klarna, iDEAL, AliPay, Sofort, giropay, and many more.
Can I make changes to my order after it’s been placed?

At Woodlanders, we strive to fulfill orders as quickly as possible. Therefore, we can only accommodate changes to your order within the first 24 hours after it has been placed. These changes include adding or removing products and modifying the delivery address. If you need to make any changes or if there has been a mistake with your order information, please reach out to us promptly via our CONTACT page with your order number for the quickest resolution.

Your satisfaction is our priority, and we appreciate your understanding and cooperation.