Auckland
September
Q.
Hi due to lockdown my roses have not been pruned. Can I do this in early September? I realise that this is not ideal but is it more beneficial to prune late or leave it altogether?
Brandon Wiener
A.
Hi Brandon, yes, you can prune your roses in September, but the sooner the better as they will be bursting into life in warmer regions now we are into spring. It is better to do it than leave them because you can remove criss-crossing branches and stems, remove weak, dead, or diseased wood and create an open framework to improve air circulation around the rose to reduce the incidence and diseases. Prune to an outward facing bud, approximately five buds up from ground level, make sure you use clean sharp tools to make clean cuts and cuts should be sloping downwards from the bud at a 45 degree angle. Feed your roses at the same time, Tui Novatec is a great fertiliser for roses, and add fresh organic matter to the soil, such as Tui Compost, or Tui Mulch & Feed, this helps replenish the soil with nutrients as well. Lianne, Tui Team.
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Can I prune my roses late August, early September? Comments
Hi, can I prune my roses in April?
Grace Tui
Hi Grace, you can trim your roses back and deadhead in April, but you are better to hard prune them in winter when they have gone dormant, especially if you are in a frost prone region. At this time of year once they are pruned and with temperatures still warm, new growth will emerge which doesn’t have time to harden off before winter and can get damaged by frost, disease then enters the rose through the damaged foliage which dies back.
Lianne