The leaves on the tips of each branch of my 7-8 year old ornamental cherry look as if they've been burned.
I'm looking for Dahlia 'Bishop of Llandaff' to plant in front of a purple Cordyline (Crocosmia 'Lucifer' behind). At what time of year are Dahlias generally available to buy from garden centres?
I'm looking for something to plant under a green Cordyline for a bit of spring/early-summer interest. There's a yellow-green Euonymus to the left of it, Hypericum Hidcote behind, spring-flowering Spirea to the right. I thought something low with a blue flower might fit in nicely. Any suggestions for what might fit the bill?