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vegatative propigation of Hibiscus Syracus (rose of Sharon)

> I have been trying to take semi-hardwood cuttings of rose of Sharon > 
(Hibiscus Syracus).   I have been attempting to follow the procedure in the 
> reference manual of wood plant propagation (M. A. Dirr, C. W. Heuser)
>
> This is the following procedure:  Take current years growth and remove > 
leaves from about 2 inches of the stem.  Dip for approximately 15 seconds > 
in diluted Dip and Grow (dil 1:10) then place in propagation bed under 
plastic.  Bed > is in light shade with no direct sunlight. Bedding mixture 
is 50:50 Peat > and vermiculite.
>
> The problem I am having is the leaves are turning yellow and looking > 
generally quite poor.  I looked over the "quick dip method again and > 
noticed a drying step after the 15 second dip in the rooting solution, I 
did not do this with this batch.  I am wondering if the alcohol from the 
Dip N Grow is the cause of the problem.
>
> Has anyone ever rooted this way or does anyone have an alternate method 
of > vegetative  propagation for this plant.
>
> Any help would be appreciated
> Dave M
> Zone 6A (SE PA)


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