Astilbe 'MONTGOMERY' astilbe (japonica group)

Montgomery is a japonica hybrid astilbe awarded AGM (Award of Garden Merit) by the Royal Horticultural Society (RHS). It produces rich raspberry red flowers in erect, triangular inflorescence from late June until midsummer. They are held atop almost 50 cm tall, dark stems above dark green leaves which emerge bronze. They are deciduous, divided, heavily serrated at margins, healthy, and glossy.

Grow astilbe in humus-rich soil. If planted in boggy or regularly watered bed they can sit in full sun, too, otherwise choose a semi-shaded or shaded location. They are water loving plants and require a good dose of nutrients to look their best. They will not grow in chalky or clay soil that dries out in summer.

For best results divide the clumps every 3-4 years removing old and dead rhizomes in early spring. Also in the spring remove old leaves and last year’s flowers. If grown in poor soil you may need to cut back the entire plant after flowering to get rid of spent stems and tired foliage in order to encourage growth of new leaves. A dose of a liquid fertilizer is recommended. Fully hardy to about -34°C (USDA zone 4).

Last update 09-06-2022