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Rampant flowering ground cover
i have a large spoil heap of earth I need to hide / conceal for a season. I am looking to cover it with something that is going to spread quite prolifically, and provide flowering Interest.
first thought at the moment is nasturtiums. But does anyone have any other suggestions?
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You could sow a flowering "green manure" like phacelia, which you can dig into your soil heap to improve it. It's a hardy annual, and ideally if you're sowing it as manure you should dig it in before it flowers... but it's really pretty, so I'd leave it until the flowers are finished, & put up with it seeding around a bit maybe.
Bees love Phacelia too
I'd agree with the use of Phacelia in general (I always plant it each year in a corner of the garden) - however, it doesn't spread everywhere like Nasturtiums do, and I don't find that it really "thrives"...
How about courgettes? They take up a lot of space. We grew some on our compost heap once.