January
Fruit

Ah, come on ! You can eat jam.

Vegetables

Brussels Sprouts they are actually not from Brussels, the name comes from the word brassica, so there is no danger of you becoming a Europhile.

Cabbages yet more brassicas

Cauliflowers you guessed it, more of the same

Celery

Leeks

Parsnips

Spinach

Swedes

Turnips

February
Fruit

More jam for you

Vegetables

See January. It's dire.

March
Fruit

Same old, same old

Vegetables

Broccoli (sprouting)

Cauliflowers

Leeks 

Spinach more Popeye stuff

Swedes

Turnips

April
Fruit

Rhubarb if you're lucky

Vegetables

Broccoli (sprouting)

Cabbages

Cauliflowers

Leeks probably the last till next winter

Spinach

Swedes 

Turnips

May

Fruit
Rhubarb and if not there is always jam and compote

Vegetables

Asparagus
Beans : Broad and French
Broccoli (sprouting)

Cabbages other variety than winter

Cauliflower

Kohl-rabi

Spinach

Thank goodness the season of Swedes and Turnips is over

Herbs

June

Fruit
Cherries

Currants : black, red

Gooseberries

Rhubarb

Strawberries

Vegetables
Artichoke, globe

Asparagus 

Beans : Broad, French

Beetroot