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do i have to take cuttings

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New garden so planted when about 18 ins high. looking scraggly now at about 2.5 ft. should i take cuttings or just cut back please? If latter, to what height?

  • Views: 857
  • Replies: 2
  • Posted: Mon. 3rd October 2011 16:07

Re: do i have to take cuttings

Reply from Kathy C

Hi, Lou,
It really depends on where you live as to what you do with it. Perovskia will behave like a perennial in areas with cold winters, a shrub or subshrub in areas with mild winters. I have grown it in both types of climates. No matter where I grow it, I always deadhead the spent flower spikes - you will usually get a second bloom if you do. Expert recommendation if you live in a mild area is to prune in spring (see care instructions here on Shoot). I have pruned in autumn in mild areas if it looked really tatty. In cold areas, you can leave it for winter interest and leaving the stems can sometimes help protect roots from cold (i.e. frost/cold doesn't travel down cut stalks and damage the roots). Whenever you cut, you can cut low (ie. 5-10cm from the ground) but always cut to an outward-facing bud.
Kathy C

  • Posted: Mon. 3rd October 2011 18:52

Re: do i have to take cuttings

Reply from Lou

Thanks Cathy, very useful. Lou

  • Posted: Tue. 4th October 2011 18:49