Hi Weedpatch, I could name a few , but you might want to take alook at Anchormans blog from last year, " Plants with a long flowering season". Its full of interesting info and I'm sure you will get some ideas from there. Good luck.

Ricinus communis? (Remembering that all parts are toxic!) Cannas - dark or stripy leaves?

Canna indica (Indian shot) can be bought in places like Poundstretcher for very little money - this is the basic species, just has very large green leaves with orange red flowers in a good summer, but it gets large in a season, growing to about 4 feet in the ground. It might even survive a winter if you leave it in the ground, and it certainly increases.

Thanks for the suggestion to look at Anchormans blog, will go there next.

Cannas are so obvious I hadn't given them a thought although in the past I have admired them in displays, so will definately give them a go. Love the fact that there is some dark foliage, which I love. Even just to have big green leaves at 4 foot high wood be great though.

Not actually come across Ricinus communis but have just looked it up and think that would also be good. I must look out for some seed quickly. I have an ordinary green Castor Oil and I think that has survived although it has looked miserable for weeks. Fingers crossed.

Thanks for your suggestions.