Re: Clerodendrums

Hi Kemberly,

I have just been catching up on my emails after attending the 4th
Philippine Floriculture Congress in a southern island when I came across
your messages.

I have had great success in rooting C. ugandense cuttings. The easiest are
the softwood cuttings of shoots. When a shoot is about 3" to 4" high, cut
it off at the base flush to the stem, then cut off the lower leaves,
leaving 2 to 3 sets of leaves. You can stimulate the shoots to grow by
pinching off the tip of a branch.

I stuck the cuttings into shampoo bottles filled with water such that about
an inch of the cuttings was submerged. I didn't use any rooting hormones.
Then I placed them in a plastic box with clear cover and set it in a place
with bright light but no direct sun. I misted whenever the leaves appeared
dry, which was almost everyday in warm weather. I suppose you can use any
of the mediums you previously used.

In about a week, sometimes less, roots started to grow. Our average temps
here ranges from high 70s to mid 80s with night temps cooler by 5 to 10*F.
After a few days when the roots reached 1/2" to 1" in length, I potted them
up and hardened them on for 2 to 3 weeks.

Perhaps if you tell us what usually went wrong, we could give you more
specific pointers.

BTW, C. quadriloculare is a native here in the Philippines. They can grow
big, up to 15' high. I have no more space in my garden, otherwise, I would
have gotten one too.

HTH.
George
Metro-Manila
Philippines


At 09:58 AM 6/29/99 EDT, you wrote:
>Hello plant wizards-
>
>I have had a clerodendrum ugandense and clerodendrum 'shooting star' (can't 
>remember the species) but this one has the foliage that is dark (olive
green) 
>on the top of the leaves and a purple on the bottom of the leaves.  In the 
>past two years I've taken many, many cuttings at different times of the year 
>and have been unsuccessful in rooting them.  I have used 50% perlite/50% 
>vermiculite and sometimes 33% perlite/33% vermiculite/33% peat.  I have used 
>a misting system over them to keep very moist and I have tried to put the
pot 
>in the ziplock as a mini greenhouse.  I have even tried layering the 
>ugandense and after one year I only acheived a huge calace with no roots.   
>Has anyone had any experience with these or can anyone provide any
pointers.  
>
>These are beautiful plants and I would like to make additional plants to 
>share with my neighbors and to place in other parts of my yard.
>
>Thanks
>
>Kemberly McLain
>Katy, Texas  Zone 9
>
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