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Watsonia wilmaniae



Archive entry 13.08.17
Archive entry 05.08.18

I grow a number of different forms of Watsonia wilmaniae. This peachy pink form came from Mark Fillan. The others came from Proper Plants. They have all grown strongly in the garden.

Peter Goldblatt says:

"named after Miss M. Wilman who introduced the species to Kirstenbosch Botanic Gardens where flowering speciens formed the basis for the decription.
Watsonia wilmaniae is endemic to the mountains of the southern Cape. It occurs along streams and the edges of marshes in the Swartberg and Kammanassie mountains and locally in similar habitats between George and Knysna in the lower valleys and foothills of the Outeniqua mountains. Plants tend to grow in dense clumps in wetter more favourable sites, sometimes entirely blocking streambeds and preventing erosion as does the palmiet, .
Watsonia wilmaniae is somewhat unusual in the genus in the variability of its flower colour. Populations in the Swartberg mountains consist of plants with flowers ranging from deep red to orange, pink and cream. Elsewhere the colour has been variously described as red, orange or purple.
Watsonia wilmaniae was apparently first collected by Miss M. Wilman who provided plants to Kirstenbosch Botanic Gardens for cultivation. The material, of unrecorded locality and collected some years before 1925, formed the basis of the description by Mathews and L.Bolus in 1927."

Pan Global Plants say:

"From the mountains of the S Cape, this mid-summer flowering species has bright orange-scarlet flowers in this clone, on stems to 1.5m high. A natural lover of moisture, give this a site in full sun and good soil that doesn't dry out too much in summer. Best with some shelter."



13th July 2005



23rd March 2005 1st August 2006 18th July 2007 18th August 2016 20th August 2020



Watsonia wilmaniae A
'A' is a good mid pink. It tends to hold on to the dead flowers for longer than I would like, so even in the middle of its flowering period, it is rather droopy and gloomy.


23rd March 2005 20th July 2006 1st August 2007 1st August 2008 20th July 2017



Watsonia wilmaniae B
Watsonia wilmaniae "B". Rather like 'Tresco Dwarf Pink'.


23rd March 2005 1st August 2006 17th August 2007 15th August 2010 21st August 2015



Watsonia wilmaniae C
A good orange, rather like D but with larger, looser flowers.


23rd March 2005 17th August 2007 17th August 2008 15th August 2010 15th August 2015



Watsonia wilmaniae D
Smaller flowered than 'C', but I think it is the better plant. Unfortunately the flower spikes are a bit lax so there is still room for improvement.


23rd March 2005 9th August 2005 16th August 2009 10th August 2017 2nd August 2018



Watsonia wilmaniae E
The brightest pink of the forms I grow. It is a nice plant, but it also suffers from weak stems that flop over readily.


References:
  • Goldblatt, Peter. - 'The Genus Watsonia' , National Botanic Gardens, Kirstenbosch, 1989
  • Pan Global Plants, https://panglobalplants.com/product/watsonia-wilmaniae/ , accessed 17.09.2026.