It is understood that this is part of TGCG’s plans to integrate centres like award-winning Endsleigh Garden & leisure into its estate following last year’s acquisition.

TGCG has stressed no decisions have been made yet, but meetings have been held with staff at Endsleigh, and collective and individual consultations will be carried out.

A spokesperson for TGCG said: “As part of the integration of the Endsleigh Centre into our estate, we are proposing to review the management structure and staffing models.

“We are very excited about the opportunities to invest and develop the centre.”

Last year, Endsleigh’s parent firm, Garden & Leisure Group, was sold by its owner Louis Delhaize, which also owns Truffaut, a leading French garden centre group, to TGCG.

The purchase added seven large garden centres in “prime locations” to TGCG’s portfolio of 132 centres.

It represented the first acquisition of a major chain of garden centres since TGCG was itself bought in 2012 by Terra Firma – one of Europe’s leading private equity firms – for £276million, and followed the acquisition of Cheddar and Lechlade garden centres.

Terra Firma last year said a “key pillar” of its strategy was increasing the size of the group and it was seeking “high-quality acquisition opportunities”.

TGCG, the nation’s largest group of garden centres, now has 139 centres across the country, including Blooms Garden Centres, Country Gardens and Wyevale Garden Centres.

Ninety per cent of its plant stock is British-grown, and much of it in its own nurseries.

TGCG employs more than 5,000 staff and runs its own gardening membership club, The Gardening Club, which has more than two million members.