Re: RE:Hybidizing-Purple Leaf Base


was talking in terms of direct > sun to partial shade in PBF 
expression . Try this on an old plant cover the > base of the PBF 
plant with something dark leave it there for a few weeks and 
> the PBF will be lighter !!!
--------------------
Correct me if I'm wrong, but my impression is that if you cover
ANY leaf base, it'll be lighter after a week.

The PBFs we have, seem to vary widely -- some seem to have PBF
and it stays the same, some seem to have a bell curve of PBF,
some have PBF and it fades with the season.

They also vary by: 
how high up the leaf does the PBF go
how purple-to-red-purple is the PBF
Do inside leaves have PBF or only outside leaves?
how DARK is the PBF?

UNK-ROSE GORCZYCA, an unknown I got from my late mother's garden
(very similar to PRESIDENT PILKINGTON but *not* the same),
has PBF -- in different areas of our little back yard, which
get different amounts of sun, it seems to be constant.

Gesine


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