I have 2 Wisteria plants, bought from same nursery at the same time about 4 years ago. They are planted about 8 feet apart and grow up an arch shaped trellis and meet at the top. Both get about 4 hours of direct sun per day and are watered twice a week during the summer. The one seems to be doing pretty good but on the other the leaves are getting pale, rust covered looking, and drying out starting from the tips. The other plant shows some of these same signs but not nearly to the extent of the other one. Could this be from too much water and/or fertilizer. I fertilized in the spring but not since then.
I would have the soil tested. The soil may have too much phosphorus in it, which can block the uptake of iron, which causes chlorosis. It may also be lacking other trace minerals which could make it sickly. A soil test at your local extension office is the best way to pinpoint the deficiencies in the soil.
I would also check for crown or root galls. Here is some information on them that may be helpful:
http://hortsense.cahnrs.wsu.edu/Search/MainMenuWithFactSheet.aspx?CategoryId=12&ProblemId=4002
Has had only about 20 to 30 flowers each time it blooms. The plant is fairly large, about 7 yrs old. We prune the long shoots off. Is this normal? Thanks.
Here are links to help you.
https://www.gardeningknowhow.com/ornamental/vines/wisteria/pruning-wisteria.htm
https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-blooming-problems.htm
My wisteria plants have not bloomed in many years. What can I do? We planted these many years ago. They continue to grow very well, but have never bloomed. We did trim the long shoots but it did not help.
This may be because you are either over pruning, over abundance of nitrogen, or fertilizing improperly. A lot if nitrogen in your should may be because of fertilizing improperly, when this happens there are gorgeous leaves, but no flowers. To get rid of some nitrogen in your would add a phosorus based fertilizer.
When does the wisteria vine mature to start producing flowers?
Wisteria must be seven to 15 years old before they are old enough to bloom. For more information on wisteria vines, please visit the following link: https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-blooming-problems.htm
I just received my tree and I'm not sure if I should plant it today because it suppose to get to 32 tonight. Should I wait until it warms up some to put it in the ground or is it alright to go ahead and plant it today?
Make sure you purchased a cold hardy Wisteria for your growing zone.
Spring or fall planting for new Wisteria plants, if you are experiencing freezing temperatures all ready in your growing zone this can be difficult for your plant to have time to become established.
Here is a link to refresh you on the care requirements and growing conditions.
I moved into a new house last year with an amazing wisteria pagoda. It's built on concrete, as previous owner was wheelchair bound. I am replacing with lawn that will be a higher level so I need to rebuild pagoda. There are two trucks that are over 12 inches in diameter. Can I chop back, rebuild and regrow?
This is an unusual situation.
It is most likely that with time the Wisteria would recover, as it is very difficult to 'kill' Wisteria vines.
Adding soil to the base of the plant can cause disease or fungus and this can severely compromise the plant.
This is the most questionable part of the project.
You may want to take some cuttings from you vine to use to help regain the plant base when you are finished with the landscape project.
Here are some links with more information.
https://www.gardeningknowhow.com/ornamental/vines/wisteria/pruning-wisteria.htm
https://www.gardeningknowhow.com/ornamental/vines/wisteria/propagating-wisteria-cuttings.htm
I have a new 4 ft baby wisteria that has newly sprouted green leaves and there's going to be a freeze or frost tonight. What should I do?
Cover the plants with a sheet, never plastic.
Here are some links to help you.
https://www.gardeningknowhow.com/plant-problems/environmental/frost-how-to-protect-your-plants.htm
https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-winter-car.htm