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Astilbe 'Radius' (× _arendsii_) | Plant Finder | Fill My Garden

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Plants > Orchids

Astilbe 'Radius' (× _arendsii_)

Astilbe 'Radius' (× _arendsii_)

Genus: Astilbe
Family: Saxifragaceae

About this plant

'Radius' is a clump-forming perennial to about 1m tall with glossy, mid-green, divided foliage and reddish stems. Small, deep red flowers, fairly densely packed in very long, narrow, branching sprays, appear in late summer

Growing Information

Height

0.5-1 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

Loam

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly DrainedMoist But Well Drained

Aspect

North FacingSouth FacingWest FacingEast Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in moist, fertile, humus-rich soil in full sun, or in partial shade if soil is likely to dry out in the summer. Plants must be divided every three to four years to maintain vigour

Pruning

Can cut back after flowering, or delay until spring as faded flower spikes can remain attractive in autumn and winter

Propagation

Propagate by division in late winter or early spring, pot divisions under glass and plant out in late spring

Pests

Generally pest-free

Diseases

Powdery mildews and a leaf spot may be troublesome

Garden Uses

Uses

Ground Cover

Planting Places

IndoorOutdoor

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

0.5-1 Metres

Spread

0.5-1 Metres

Habit

Clump Forming

Time to Full Height

Five To Ten Years