- Position: full sun
- Soil: any fertile, well-drained soil
- Rate of growth: average-fast
- Flowering period: May to September
- Hardiness: fully hardy
From late spring, right through to early autumn, whorls of hooded, pale yellow flowers appear at intervals on tall, erect stems with dramatic, heart-shaped leaves. A vigorous, spreading perennial that's justifiably popular, due to its long flowering season and tolerance of drought. It looks great in a mixed border, but it needs room to express itself. The flowers are also worth leaving on in winter as they look magical when covered in frost.
- Garden care: In mid-spring shorten any frost-damaged stems, cutting back to just above a healthy bud. Remove any weak or diseased shoots, cutting cleanly back to the base.
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Q:the phlomis in the garden has spread onto the paths.
I've dug up some of the roots but could I use weed killer
if so which one or would constant cutting back kill it
thank you gillianAsked on 4/4/2014 by lisell from hereford
The problem with using a weedkiller is it may kill off the whole plant. Therefore if the plant is really too big for the spot, it should be dug up and moved to another spot that will give it room to spread.Answered on 4/4/2014 by helen from crocus
Q:My Phlomis is not flowering
Hello Last year I bought three Phlomis russeliana and they are growing lots of wonderful large foliage in a hot sunny border - but I have not had one single flower on them. Other plants in the area have been flowering for some time now and I expected flowers from May onwards. What can I do coax the plants into flowering? Thanks ChloeAsked on 6/15/2009 by Chloe WIlmot
A: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 DoctorAnswered on 6/17/2009 by Crocus Helpdesk
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