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I live in a terrace back to back terrace house with no garden. But I am very keen to overcome this with filling my house indoors with plants, but also having some outdoor wall plants.Next to our front door there is a nice space for a wall trough, it is the end corner terrace and receives sunlight most of the day. I am looking for advice on how to plant a wall trough and what plants might be good for planting now over spring? I am yet to purchase one but have come across as black iron one, lined with a coco liner that seems reasonably priced. A main problem is our house might be empty over the summer and whilst someone might be able to water them sometimes, it is not assured and this might not be reliable. So is there anyway to overcome this?I am a new, but eager, gardener! I would love some advice on this, or a point in a direction to a place where I can find it. I have searched google for plant ideas for wall troughs, but have not found that much useful. Mostly floor troughs ideas and prices come up. Is this the same principle, or is it the terminology that I am using that is wrong.If a wall trough is too tricky I am happy to go for a hanging basket instead! Thank you in advance for any advice!
I would suggest pelargoniums (also commonly called geraniums), they are pretty drought tolerant and if you mix some vermiculite or water restoring gel crystals into the soil that should help. There are lots of lovely coloured pelargoniums, both upright and trailing.
You need to think about the amount of compost it will hold - the bigger the container the less frequently it will require watering. Also using compost with added moisture retention granules would be a good idea.