"French drain is the USA expression for what we here in th UK call a land drain. You certainly need to use some method of draining water away from the plant's roots if the soil is not free draining of its own accord.
For the amount of water you…"
You are being so helpful. Thank you for taking the time. Yes, the pooling is caused by the patio and previously by the stones and ewe that were blocking any other exit. It was not terrible, but we saw some leaking in the basement which…"