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Swansea. West Glamorgan., Wales

hi. i have a wisteria shrub approx 7/8 years old growing on a pergola. every year the foliage grows well but it's hardly flowered in all the years we've had it. every year i patiently wait for may to see what it's going to do but yet again this year we have a poor display of flowers. my husband has said to dig it up and replace it with a different climbing shrub as it makes such a mess when it sheds its leaves, and as i have had no showy flowers, i could have something colourful. the actual root and stem, look like a small tree trunk and it is tightly hugging the pergola so we'd have a hard job moving it. i just need to know what i can do to sort the flowering out. i don't know if i am pruning too much or not enough? thanks.




Answers

 

as it goes without help they dont normaly flower for about 7 years anyway . im sure someone can help you force it into flower but i definatly wouldnt move it as they are stunning plants .

21 May, 2010

Sid
Sid
 

Yes, be patient. They do take ages to establish. There is also an art to pruning, which I hope someone else can explain as i don't know! I don't suppose there's anything stopping you from planting a clematis alongside the wisteria - choose one that is not too vigorous tho.

21 May, 2010

 

good thinking sid i agree to xx

21 May, 2010

 

Agree with NP and Sid worth persevering with and if you have room to follow on from Sids suggestion its possible to have a clematis variety in flower for most of the year if you plant several. Spritzhenry has some lovely examples on her photo pages.

Re - wisteria given how well established it seems doubt you pruning too much.
If it has a main trunk thats great as you can easily identify the side stems.

In August cut all new wispy side shoots back to 12" ( 30cms ) this will also save hubby clearing up leaves as they should still be attached as they are pruned ..

In the winter months these side shoots will harden and cut them further back to about 4" ( 10cms) in February.Its this that stops leaf growth and encourages flower bud formation.

If you want to reduce the length of side stems ie you are happy with overall size you can lop these side stems back in winter.This is the best time to deal with an overgrown non flowering wisteria.

Having purchased a wisteria which failed to flower and given the warning they could take up to 10 years to flower I read as much as I could .No expert but based on my own experiences with them I dont hold that view.

For a few weeks now been drafting a blog on wisteria although much younger than yours the pruning techniques are repeated and you might find it helpful.

21 May, 2010

Sid
Sid
 

Well done Bb - first class advice!

22 May, 2010

 

yes definatly sid thats just what i was going to say to lol .

22 May, 2010

 

Thanx Bb, Np and Sid, have taken all on-board. sorry for delay thankin you but am new at this laptop thingy lol. Can only use when i have my daughter supervising me and I've been quite busy so haven't been able to sit down and study which button to press next. haha! Actually, went to Cheltenham yesterday, caught sight of a garden centre not far from motorway, called in to have a look around, and tried to pick the owners brain about wisteria and it's pruning, but unfortunately he couldn't tell me off top of his head, said he wasn't really sure. BUT!! today i went in garden to talk to my plant again, and low and behold i have a few flowers, but they are under the pergola tucked between the leaves. so if i hadn't looked up and under the plant i may have missed them. they've obviously matured over the last few days, but still nothing on the main older part of plant that climbs up from the root. will keep you up with the progress and once again, thanx.

27 May, 2010

 

your more than welcome . good luck xx.

28 May, 2010

Sid
Sid
 

Do have a look at Bonkersbon's blog....click on his picture next to his name (with the butterfly) and then click on the tab that says blogs and click on the one about wisterias - it's very, very good and informative!!!

28 May, 2010

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