Mine has flowered twice for me in the past
2 years. Both times was in October or later.
Not getting fruit on these in Mi. But
honestly mine might be way too shaded. They started out in a corner next to a
little (pretty pathetic) illinios everbearing mulberry. The mulberry is now
putting on incredible growth and hundreds of individual leaves 12-16 inches
across.
From:
nafex-bounces@lists.ibiblio.org [mailto:nafex-bounces@lists.ibiblio.org] On Behalf Of John S
Sent: Wednesday, October 10, 2007
4:32 PM
To: North American Fruit Explorers
Subject: Re: [NAFEX] Goji and
pollination
Michele, I'm in southwest PA, not too far from Pittsburgh. I have noticed that the
pollen on the flowers does appear to deteriorate within a few hours.
However, our weather has been very different for several summers now, so I am
not sure if temperature applies. This summer was more wet than normal for
a while then more dry. I've never been able to find a good answer
regarding any soil requirements, outside of some rumors that it prefers
alkaline soil. I've not bothered to try to asjust the soil, but may try
that last year. I'd don't have much space available, so I may end up
moving on if I can't get it to produce soon.
My plant is easily 8' tall the past two years, so I do not think it is
a maturity issue. Bloom has been prolific and continuous since mid July.
John
Michele Stanton
<6ducks@gmail.com> wrote:
If any of you are successfully fruiting Goji, please share your
techniques! I have some seedlings that I hope will fruit in a year
or two.
There are reasons other than lack of pollinators that might cause
the low fruit. Goji are solanaceous, and in tomatoes, fruit set is temperature
dependent. The common wisdom used to be that they wouldn't set fruit if
night-time temperatures went below 55 F and/or if daytime temperatures were
above 95 F. That's true, but pollination biology is tricky. More
recent studies have found that the average daily temperature may also be a
factor; too much heat during bloom prevents fruit set. IN addition, a
crucial time is the week or two before blossoms open--too much heat, and
the flowers don't form well--pollen can be sterile, and other sorts of floral
abnormalities occur that prevent fruit set. In addition, humidity is also
a factor. So even though plants otherwise appear healthy, the weather
before and during bloom can cause problems.
John, where are you growing these?
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