Frustrating Blueberry Bushes
Is there a way to tell what cultivar? I purchased 3 at a wholesale nursery but the manager didn't know what type they were because a past manager had purchased them. I took my chances hoping that they were southern highbush. I planted them last fall in a mix of compost, peat, and ground soil and mulched with pine bark. I also amend with sulfur and palm fertilizer.
There was very little new growth,and the new growth had interveinal chlorosis.I did get a few berries.I am figuring that the soil PH is too high, not allowing the plants to take up nutrients. I also applied a foliar feed twice that didn't seem to help. They get irrigation 3 times weekly with well water.
I figured that I wasn't going to get many more flowers, so yesterday I cut them back 1/2 way to about 2 feet to try and invigorate growth. I am considering digging them up and then planting in straight peat. Having the well water tested today. Any suggestions out there? thanks!