Perhaps you can help me with the following problem. I have three climbing roses that should all bloom at least twice per season. They are all about four years old but the last two years have seen them flower only once. Because they produce a lot of green growth after the first flowering I have to prune them hard to contain their vigour. I normally feed them in March/April and again in June; this year I only fed the early feed but this has no effect on the flowering cycle, can you please advise?
- 27 Jul, 2011