Overview

Aster cordifolius 'Little Carlow' is a clump-forming, upright to bushy perennial herbaceous in the genus Aster, part of the Asteraceae family, with deciduous, simple, narrow, roughly textured foliage. Aster cordifolius 'Little Carlow' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include borders, naturalizing and woodland gardens. It is native to central and eastern North America.

About

Symphyotrichum cordifolium, commonly known as common blue wood aster, heartleaf aster, and blue wood-aster, is a perennial herbaceous flowering plant in the family Asteraceae native to central and eastern North America. It reaches heights of up to 1.2 meters and has bluish daisy-like flowers which bloom late-summer and fall in its range.

Wikipedia contributors, CC BY-SA 4.0Symphyotrichum cordifolium

About the genus

Aster is a genus of perennial flowering plants in the family Asteraceae. Its circumscription has been narrowed, and it now encompasses around 170 species, all but one of which are restricted to Eurasia; many species formerly in Aster are now in other genera of the tribe Astereae. Aster amellus is the type species of the genus and the family Asteraceae.

Wikipedia contributors, "Aster (genus)", CC BY-SA 4.0Aster (genus)

Growing conditions

Best soil and position for Aster

Sunlight
full sun, partial shade
Soil type
loamy, sandy, clay
Soil pH
acidic, neutral, alkaline
Soil moisture
moist, well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H7

Plant details

Aster cordifolius 'Little Carlow' size, habit and characteristics

Plant type
perennial herbaceous
Habit
Clump-forming, upright to bushy
Foliage
Deciduous, simple, narrow, roughly textured
Suggested uses
borders, naturalizing, woodland gardens
Native to
central and eastern North America

Care notes

Pruning and caring for Aster cordifolius 'Little Carlow'

Cultivation
Prefers moist, well-drained soil; tolerates partial shade; deadhead to prolong flowering
Pruning
Cut back in late winter or early spring to encourage fresh growth
Propagation
division, seed
Pest resistance
Generally pest-free
Disease resistance
Powdery mildew, leaf spot, rust

Frequently asked questions

How do I grow Aster cordifolius 'Little Carlow'?

Prefers moist, well-drained soil; tolerates partial shade; deadhead to prolong flowering.

Where is the best place to plant Aster cordifolius 'Little Carlow'?

Aster cordifolius 'Little Carlow' prefers full sun and partial shade. It suits sheltered positions.

What soil does Aster cordifolius 'Little Carlow' need?

Aster cordifolius 'Little Carlow' is adaptable and grows happily in most soil types, including loamy, sandy and clay. It is happy in soil of any pH. Aim for soil that stays moist to well-drained.

How do I prune Aster cordifolius 'Little Carlow'?

Cut back in late winter or early spring to encourage fresh growth.

Is Aster cordifolius 'Little Carlow' hardy in the UK?

Aster cordifolius 'Little Carlow' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Aster cordifolius 'Little Carlow'?

Division, seed.

More in the Aster genus

Browse all Aster