If you have your own farm in the UK, then of course it is essential to grow a variety of plants and flowers. If it's just for flowers, it's worth buying different shaped and sized extra large plant pots. Consider the options in the online store IDEALIST https://idealistplanters.co.uk/extra-large-planter-pots/ where there is a wide selection of very large planters that are perfect for any garden or patio. There are tall, round, square, boxed or long rectangular pot options.