Night scented jasmine thrives in full sun

mehitabel(z6 MO)May 8, 2011

I think this post is needed as a corrective to the thread that has recently been revived here about giving this plant needing shade, and giving it only a few hours of filtered sun. Post after post in that thread talked about the need for shade, and only one FLA poster said give them sun.

Cestrum grows like a weed. Mine have grown from a 12" new plant to a 5-foot monster in a 14" pot in just one summer. They love sun! Hot, miserable, blinding, no mercy St Louis sun. More sun = faster growth, more flowers and more scent. When the pot gets too big to handle, I just start over with a small one rather than try to haul a huge pot around.

But remember that inputs to plants have to be in balance-- more sun = more water. In a pot, cestrum is a water hog. It grows so fast and fills its pot with roots so fast that it becomes potbound in 6 weeks or so. At that point it needs water constantly. This may not be true in the ground. I simply don't know about growing it in the ground.

But if your cestrum droops every afternoon and looks pathetic, it is whining for a bigger pot and more water, not to be grown in shade.

I'm not trying to say they won't grow at all in shade, but the growth will slow, and there will be many fewer flowers and less scent (not that sometimes less scent wouldn't seem like a blessing-- up close a 5' cestrum can give you a headache with the power of the scent). This summer I'm planning to put mine at the far end of the patio, far away from my deck so that I can enjoy the scent from far away.

Don't stint on sun, water (and fertilizer).

There, that feels better.

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Robert (zone 7a, Oklahoma)

This is my experience with Cestrum nocturnum as well. Last year I planted 3 small cuttings into one pot not knowing what a rampant grower it is. I soon had to move them to a huge pot that I normally grow brugmansias in. They grew like weeds in full sun and given plenty of water and fertilizer (I jokingly called them Cestrum outtacontrolum). I cut them back after each bloom cycle to encourage more blooms and to control their size (the cuttings root easily in water just like brugmansias by the way). Definite water hogs.


    Bookmark   May 8, 2011 at 10:26PM
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