Re: Tropical Hibiscus
- To: perennials@mallorn.com
- Subject: Re: Tropical Hibiscus
- From: D* S*
- Date: Thu, 3 Aug 2000 19:22:10 -0400
Gerry --
Thanks for the info. Unfortunately, my own Hibiscus doesn't surf the Web
so hadn't heard that it was supposed to respond negatively to the
fertilizer I've been giving it for, oh, fifteen or so years. Plants are
funny that way. Will try giving it something different to see how it
responds.
Yes, I agree about the mature new wood. I usually prune mine in the
fall, before bringing it into the house, when the cool sends it into
semi-dormancy. I've found the "too hot" thing can often be resolved by
moving the plant into a partial sun location. Here in southeast Michigan
there's only a couple days between "too cool" and "too hot," whether in
the spring or in the fall, so the potted plants move around a lot
throughout the season.
Dean Sliger
Warren, Michigan, USA
Zone 6B
On Thu, 03 Aug 2000 07:34:28 -0400 "Gerry/Bob O'Neill" <eoneill@ibm.net>
writes:
> True, Dean, but one important modification and one correction.
>
> Hibiscus rosa-sinensis does bloom on new wood, but that wood must
> be
> mature, so it takes a while if you have pruned hard in the spring.
> Another
> factor may just be the heat. Hibiscus may be tropical, but a lot of
> them
> shut down, bloom-wise, when it gets very hot. As you said, patience
> is the
> key.
>
> But one correction. Hibiscus DO NOT LIKE high phosphorus fertilizer,
> like
> most of the bloom boosters. Better to use a 20-10-20 with minors, or
> time
> release 17-6-10 with minors.
>
> BTW, there is a very active and informative tropical Hibiscus
> maillist out
> there. E-mail me privately if you're interested. The American
> Hibiscus
> Society also maintains a really good web site at
> <http://www.trop-hibiscus.com>
>
> There is a page devoted entirely to growing tropical hibicus
> indoors, for
> us pot bound northern growers.
>
> Gerry
>
>
> At 07:44 PM 8/1/00 -0400, you wrote:
> >On Tue, 1 Aug 2000 15:10:40 EDT NitaCretbc@aol.com writes:
> >> Hello fellow gardeners. I have a few questions regarding plants
> that
> >> did not
> >> bloom this summer: Tropical Hibiscus (I think I trimmed off the
> new
> >> wood on which it blooms???),
> >
> >Nita --
> >
> >Yes, that's correct, Hibiscus rosa-sinensis blooms on new wood.
> Don't
> >give up yet. Mine has only had a couple blooms on it so far this
> year.
> >It does most of its blooming from mid-August through early October.
> BTW,
> >I keep it out on the patio from mid-May to mid-October, then it
> spends
> >the winter indoors semi-dormant in front of a south-facing window.
> Try
> >giving your Hibiscus regular feedings of a "bloom food" (high
> middle
> >number) for the next month -- and keep the soil in the pot evenly
> moist.
> >
>
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