Birds love the feel of nuts in there beaks with fatty balls swinging in there faces for winter. you can see the care and attention in how your balls should be hung and where birds love there nuts in the right place or all over for them.
It's quite wrong to say that you can't get Trailing Petunias (surfinias) from seed. Moles seeds sell the seeds for these varieties of Trailing Petunias, and in a selection of colours. Just for everyones' info.
