Perovskia 'Blue Spire'
Russian sage ( syn. Salvia Blue Spire )
With its aromatic leaves and upright spikes of violet-blue flowers, Russian sage makes a wonderful companion to all kinds of late-summer ornamental grasses and perennials.
In August and September, tiny, violet-blue, tubular flowers appear on silver-grey spikes above the main framework of the plant, among deeply-cut and lobed, grey-green leaves.
This deciduous sub-shrub makes a real impact planted en masse alongside a path, where the sage-like fragrance of its leaves can be appreciated, or try it alongside other silver-leaved plants, or in swathes in a sunny border. One of our recommended One of our recommended plants, Perovskia 'Blue Spire' copes well with dry, chalky soil and salt-laden air.
In August and September, tiny, violet-blue, tubular flowers appear on silver-grey spikes above the main framework of the plant, among deeply-cut and lobed, grey-green leaves.
This deciduous sub-shrub makes a real impact planted en masse alongside a path, where the sage-like fragrance of its leaves can be appreciated, or try it alongside other silver-leaved plants, or in swathes in a sunny border. One of our recommended One of our recommended plants, Perovskia 'Blue Spire' copes well with dry, chalky soil and salt-laden air.
How to care for Perovskia Blue Spire:
Perovskia thrives in full sun and well-drained soil, making it ideal for Mediterranean-style or gravel gardens. This Russian Sage is drought-tolerant once established but overwatering or rich soil leads to weak growth and fewer flowers.
Avoid pruning back in autumn as winter seed heads provide interest and food for birds. In March, prune hard to 15-30cm (6-12in) from the ground to promote bushier growth and prevent flopping, then apply a 5-7cm (2-3in) layer of well-rotted compost or manure around the base, avoiding the stems.
Avoid pruning back in autumn as winter seed heads provide interest and food for birds. In March, prune hard to 15-30cm (6-12in) from the ground to promote bushier growth and prevent flopping, then apply a 5-7cm (2-3in) layer of well-rotted compost or manure around the base, avoiding the stems.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
1.2m
Eventual spread:
1m
Position:
Full sun
Rate of growth:
Average
Soil:
Moderately fertile, moist, well-drained soil
Hardiness:
Fully hardy
-
This shrub is deciduous so it will lose all its leaves in autumn, then fresh new foliage appears again each spring.
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