Actually, I'm in zone5 and I have a wisteria that I planted 4 years ago and this is the first year it bloomed. I was told before I planted it that it could take about 5 years before it had it's first blooms, even though the greenery was taking over the trellis like crazy!
Speaking from experience.... We had wisteria for several years that never bloomed, it grew like crazy but never bloomed. We were told to put a certain fertilizer on it. It was 18-46-0 and potash. I do not remember the portions and when we did it but it did work. I am sure a greenhouse could tell you more.
Be grateful and pull it up while you still can! lol I have this stuff all over my yard and can't stop the spreading of it. The root system is like ropes and it takes over everything. My neighbors started it about 70-80 yrs ago and nothing stops it, I DO mean nothing!
We have a large wisteria & one year it didn't bloom & leaf out like it should (we thought it was dead). We found out that our (stupid) next door neighbor had poured bleach in that area on his side of the fence to kill weeds & it got into our wisteria's root system. Thankfully the wisteria came back the next year. Some years it blooms earlier than others by almost a whole month (depending on the weather). Each year that it blooms then leafs out we breath a sigh of relief (because of our non environmentally friendly neighbor) (who knows WHAT he'll do!). Do you have a neighbor like this who might pour something toxic on or near your wisteria's roots? Or even a dog who pees in the area often.
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Request: Wisteria Vines Don't Flower (06/23/2009)
We have had huge, healthy wisteria vines for nearly 10 years but have never seen a flower on any of them. What can we do to get them to flower?
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Request: Wisteria Vines Don't Flower
Archived on 06/23/2009
We have had huge, healthy wisteria vines for nearly 10 years but have never seen a flower on any of them. What can we do to get them to flower?
Hardiness Zone: 7b
Nancy from Hyannis, MA
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RE: Wisteria Vines Don't Flower
Do a root trim. Use a sharp shovel and cut straight down making a circle around the base. Use the branches as a guide to how big to make the circle. It should be the same distance around as the branches are long. An elderly woman in LA told me this and it worked very well for me. (04/24/2008)
By Patti
RE: Wisteria Vines Don't Flower
Hi, Nancy. Years ago in Dodge, TX (yep, a real Texas town) my friend did the major root trimming on her wisteria. Wow, what a difference. For years after that, this incredible plant flowered like it was making up for lost time.
Peace and Blessings,
Joan - Dilley TX (05/02/2008)
