The Cardiff Council operational manager for parks and sport said Greenspace Wales remains active despite the demise of GreenSpace (HW, 28 March).
"The forum is very active, particularly in benchmarking and collaborating," he said. "GreenSpace represented local authorities in England and is a separate entity so there's no immediate adverse impact but we were affiliated," he explained.
"It's a concern there's not that voice that advocates and was an ambassador. Greenspace Wales relies on subscriptions from members to keep the forum afloat."
Cardiff Council has signed a five-year extension to back the RHS Flower Show Cardiff until 2017. The event, which is held annually in the city's Bute Park, attracted 22,000 visitors this year on 19-21 April.
Maidment said: "The show has a very positive impact on the local economy, resulting in an estimated gross spend of £400,000 over the three days that it's on."
A garden from Cardiff Council at the show represented a before and after of the £5.5m Heritage Lottery Fund (HLF) Bute Park restoration. The largest HLF parks project in Wales, it is now nearing completion and involves the restoration of historic features.