Last chance for English asparagus. Dry weather over April and early May has reduced volumes and there are reports the season will tail off earlier than normal.
First sighting of English peas and broad beans. Runners to follow.
It's a great time for berries. The first red gooseberries are here from the Continent - UK to come. English strawberries in full flow, along with speciality berries such as strasberries and pineberries.
UK outdoor rhubarb is still available.
Stone fruit includes cherries, apricots, nectarines and peaches.
It's a fantastic time for melons, with varieties including Charentais, Canteloupe, Piel De Sapo and watermelons.
More niche lines include mangoes, pineapples and kumquats.
UK tomatoes are plentiful, along with a huge range of varieties from the Continent. From Italy, for example, there are Vesuvio and French specialities such as Marmande.
You will still find Jersey Royal potatoes in good volumes.
From the Continent, crops such as Petit Violet artichokes.
Courgettes include yellow and green round courgettes and their flowers.
For something unusual, here are some Hen in the Woods mushrooms. Scottish Girolle will be along later in the month.
Here's a glimpse of Buyer's Walk - shot through the pots of herbs sold by one of the specialist wholesalers, The London Herb Company.