Perovskia 'Blue Spire'

Russian sage ( syn. Salvia Blue Spire )

4 5 1 star 1 star 1 star 1 star 1 star (18 reviews) Write review
6 × 9cm pots £35.94 £24.99
in stock (shipped within 3-5 working days)
9cm pot £5.99
in stock (shipped within 3-5 working days)
Quantity 1 Plus Minus
Buy Perovskia 'Blue Spire' Russian sage ( syn. Salvia Blue Spire ): Violet-blue flowers and silvery foliage. Great planted en masse

This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.

  • Position: full sun
  • Soil: well-drained, poor to moderately fertile
  • Rate of growth: average
  • Flowering period: August to September
  • Hardiness: fully hardy

    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. Identified by the RHS as a plant which is 'Perfect for Pollinators', Russian sage will help attract and support bees and other pollinating and beneficial insects. It has also been awarded the RHS Award of Garden Merit for its garden worthiness.

    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 plants, it copes well with dry, chalky soil and salt-laden air.

  • Garden care: As this shrub has a tendency to flop a little, in March cut back to the permanent framework of the shrub to promote bushier growth. After pruning apply a generous 5-7cm (2-3in) mulch of well-rotted garden compost or manure around the base of the plant.

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Eventual height & spread

Eventual height and spread
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Yellow leaves - over watered?


I'm a bit disappointed with my 6 young plants that arrived yesterday. All have yellowing leaves and I'm not sure that they will survive. All the other plants I received are in good condition.




Vivid colour.


Perfect for our new seaside garden.


Swansea (seaside location)


I would buy this again


Wonderful plant. So pretty and getting bushier every year.




Sturdy and successful !


Carefully packed, so it arrived in good condition, and not too small. It survived the February ice & snow so must be hardy. Now almost full height, delicately bushy, and with long-lasting blue flowers which gracefuully survive Edinburgh's vicious wind.






Fabulous Grew from seed. Take a year to get reasonable sized plants. Very happy


St Leonard's on Sea




Reasonable size when delivered and in good condition. Grew on fabulously and long flowering.






Added these to my west facing front border under white roses and was really happy with the result. Spent the first 6 months wondering if they were doing okay as they don't flower until late in summer. Then suddenly they added this tall beautiful sprays and still look elegant now in autumn.




Great plant.


Slow to begin growing but suddenly surprised me with their height and pretty flowers in August and September.


St Albans


Sadly, none of these survived the winter.


I was really pleased when these plants arrived and they looked as if they were going to be fine, but all have vanished over the winter.




Beautiful plant.


I love this plant I first saw it in France where it is extremely common on roundabouts and sides of roads and loved it. I came home and googled it until I found out what it was and we now have 3 in the garden. Beautiful colour.


South east



4.5 18


I bought 3 of these from you earlier this year & am about to plant them out, but I'm not sure how to position them as I don't remember how big they grow


Hello, These plants have an eventual height of around 1.2m and spread of 1m.


Hi, I have a 'Blue Spire' plant that is in need of help! It has 3 branches, each is bare for about 6 inches from the soil up, after that it's bushy, leafy and covered in flowers. Sadly, it looks ridiculous because of the naked bottom (so to speak). Is there anything I can do to encourage new branches from the base or is it a lost cause?


Hello, Perovskias do have the tendency to become leggy, so we recommend giving the a hard prune, each year in mid-spring, just as the new growth is starting to emerge. If you have not done this previously, then you should cut back all the stems to approximately 5 - 10cm above ground level. In subsequent years, you can then cut the stems back again to within 3 or 4 buds from the old wood.


Any reason why myplants are not flowering? Hello. I have some plants that seem to be happy and growing well but aren't flowering- two Fuchsias, a Crambe cordiflora, and a Geranium 'Buxton's blue'. Even those that are flowering are a bit rubbish - a Perovskia 'Blue Spire' and some Verbena bonariensis have produced some flowers but not many. What can I do to improve flowering - is there a particular feed or fertiliser I should use? The soil is dense london clay, but the garden is not shady, but nor is it in full sun. It is quite sheltered. Many thanks, Robert

Robert Wilne

Hello There, There are a number of reasons why plants don't flower including too much shade, not enough water or nutrients, or pruning at the wrong time of the year. It can also be caused by the plant putting on new root growth instead of focusing its energies on producing flowers. I am not really sure why yours has not produced buds, but you can often give them a bit of a push by feeding with a high potash fertiliser. I hope this helps. Helen Plant Doctor

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