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Radius Astilbe overview
Radius Astilbe overview
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Radius Astilbe

Availability: Out of stock

Red Plumes From Red Foliage

Astilbe Radius, Astilbe 'Radius', is an outstanding new hybrid that starts showing off in the spring when the foliage emerges dark red, and then matures to dark green.

Astilbe 'Radius' blooms profusely in midsummer when the dark red flowers buds open to deep rose-red plumes that butterflies and hummingbirds love.

Radius is perfect for 'lifting' shady areas. Deadheading will not increase blooms, so leave the dried seed heads to provide late season interest. Cut back hard in spring.

Radius blooms are slightly fragrant and makes a great cut flower.

Astilbes are long-lived perennials that are most comfortable when grown in rich soil and light shade to filtered sun. They will grow in full shade, but will not bloom as prolifically there.

Though they are easy to grow, Astilbes have one critical requirement--lots of water. Plants must have consistently moist soil; dryness leads to a quick demise, especially in the sun.

Fertilize Astilbes in late spring before flowering starts. Wait to cut back the old foliage until spring; it will help protect the plant from winter damage. They are deer and rabbit resistant.

* Red Foliage Matures to Green
* Mid Summer Red Plumes
* Attracts Butterflies, Resists Rabbits and Deer


Radius Astilbe Is Suited to Grow in Zones 3-8
Growing Zones 3-8
More Information
Brand Nature Hills Nursery
Botanical Name Astilbe 'Radius'
Foliage Green
Mature Height 18 - 24 inches
Mature Spread 16 to 20 inches
Soil Type Widely adaptable
Sun Exposure Full Sun, Full Shade, Partial Sun
Growth Rate Medium
Flower Color Red