The flowers are quite short-lived so not unusual for flowers to fall off when they're past their best. However, planting in a container and pot will be quite challenging in general. Firstly, ensure the container is large enough. Jasmines have the potential to put on a lot of growth in a season. Ideally, it's best to plant into the ground eventually.
They also need a loam-based compost like John Innes No 2 mixed with grit or multi-purpose compost to open up the structure if you intend to grow them in a container. Then they need plenty of watering, especially when they are first planted. Bear in mind it is now mid June and very hot, you will have to water generously direct into the base of the plant in the evenings or early mornings to get the best from the watering.
Finally, don't worry too much about flower drop. Many plants are possibly grown in controlled surroundings (with protection and no wind etc) leading to excessive growth, early flowering which can be misleading on some plants. You may end up buying a plant that will drop all their flowers at the first sight of wind and harsh sun. The key is to keep watering and prune away any damaged branches, and finally, be patient and allow it to settle in and form roots for the year ahead.
I don’t think clotted cream will want to stay in even a large pot for very long. Here’s a picture of my two planted either side of an arch. And this is after I keep cutting them back!
Thank you for your advice. I realized I was taking a risk with a pot but it’s the only way I could have the plant on the patio. Worth a go after I watched Monty replanting a patio jasmine of his own in a pot so 🤞
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They also need a loam-based compost like John Innes No 2 mixed with grit or multi-purpose compost to open up the structure if you intend to grow them in a container. Then they need plenty of watering, especially when they are first planted. Bear in mind it is now mid June and very hot, you will have to water generously direct into the base of the plant in the evenings or early mornings to get the best from the watering.
Finally, don't worry too much about flower drop. Many plants are possibly grown in controlled surroundings (with protection and no wind etc) leading to excessive growth, early flowering which can be misleading on some plants. You may end up buying a plant that will drop all their flowers at the first sight of wind and harsh sun. The key is to keep watering and prune away any damaged branches, and finally, be patient and allow it to settle in and form roots for the year ahead.