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Thalictrum delavayi 'Hewitt's Double'



Archive entry 19.08.12

The double flowered form is a pretty thing with petals clustering into a ball flower. It always dangles with me instead of growing upright, but perhaps moisture and good soil will encourage it. It hasn't increased greatly in a decade but it has hung on to its space tenaciously.

Plant Delights Nursery say:

"The airy maidenhair fern-like, deer-resistant foliage of Thalictrum delavayi 'Hewitt's Double' adorns the 4' tall stems which are topped from midsummer through fall with large cloud-like flower heads of small, lavender, pompom-like, double flowers...simply a sensational textural element in the summer garden."

It is a plant that has been around for a long time, it is included in the RHS Encyclopedia of Gardening (1951), but I haven't been able to discover its origin so sadly Hewitt is currently lost in the mists of time. I have a vague memory that even when I was a teenager people were unaware of its origin.


30th July 2011



31st July 2012 18th August 2012 23rd August 2023



References:
  • Plant Delights Nursery, https://www.plantdelights.com/products/thalictrum-delavayi-hewitts-double?srsltid=AfmBOorqBN42QCIe8wzvIF8NHh9XjJ4GlUJaITxMWng_pmMJewLaAGAF , accessed 02.01.2026.