On 09/06/2016 22:36, BobHobden wrote:
"Roger Tonkin" wrote

An update on my phal

Having amputated the rotting leaves, after a bit of a sulk it
has now put on a spurt of growth, with a new flower branch on
the old stem, and intriguingly some change to the couple of
aerial roots. These seem to have made a "pinch" at the end then
started to turn green above. Not sure what is happening, but
will watch with interest.

All photo's at http://tinyurl.com/zkfdl57


Healthy roots should look like that with a greenish bit at the end, it
means they are growing.


But, surely, that reddish tinge is a sign of stress? Usually drought
stress, in my experience. The root tip should be green.

--
Spider
On high ground in SE London
Gardening on heavy clay