Re: Problematic Pergola


Hi Ben,

     Can't speak to grape (we are in Napa valley, so grapes were
     the last thing we wanted in our garden!) but if you decide to
     try something else, I would like to put in a plug for kiwi.

      We have a large pergola, on which we have tried various
      climbers for shade:
      - kiwi vines
      - roses (Marechal Niel, New Dawn)
      - wisteria
      - mandevilla laxa

     Of these, the most successful for shade (fastest, widest and
    densest) are the kiwi and wisteria. In my experience roses don't
    really provide good coverage for shade, and are hard to deadhead
    up on the pergola.

    Personally I prefer the kiwi over wisteria - which is stunning in bloom
    3 weeks out of 52 and boring the rest of the time. The kiwi provides
    really dense shade and has beautiful and interesting fuzzy curly vines
    and leaves (great in flower arrangements). An added bonus is lots of
    fruit in December, when other fruit is scarce.

    Your pergola looks large enough to support at least a couple of
    kiwis - you'll need at least one male and one female for fruit.
    (Warning: don't get carried away with too many females - or you'll
     be hauling hundreds of pounds of kiwi fruit to the food bank every year.)

Regards,

-- Irene.



From: Ben Wiswall <benwiswall@pacbell.net>
To: medit plants forum <medit-plants@ucdavis.edu>
Sent: Saturday, September 19, 2009 3:41:54 PM
Subject: Problematic Pergola

Hi All,
I'm still fussing over a pergola that is not fulfilling its purpose, namely, to provide comfortable SHADY outdoor seating and dining in summer.

I chose grapes as the vine to do the job, believing they were tough and fast, and had long historical precedent for growing on pergolas.
So, my question is: does anyone have a pergola shrouded in grape vines?  Does it provide DENSE shade in summer for you?  Does it drop half-dried grapes/raisins on you while you are reposing in the shade?
After four summers, should I give it one more season, or start over with a different vine, or lattice, or shade cloth?

Following are some photos of the pergola taken in midsummer.  I increased irrigation shortly afterwards,and the vines have responded by producing some late growth, but not too much.


Thanks for any advice!
-Ben Armentrout-Wiswall
Simi Valley, inland southern California



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