Here's a guide to purchasing fresh vegetables in the Northern Hemisphere. The first chart lists vegetables by month; the second chart lists vegetables by name. (NOTE: Some of the foods listed below aren't technically vegetables.)
JANUARY
Broccoli
Cabbage
Carrots
Celery
Lettuce
Mushrooms
Onions
Potatoes
Rutabagas
Turnips
FEBRUARY
Broccoli
Cabbage
Carrots
Celery
Lettuce
Onions
Potatoes
MARCH
Asparagus
Broccoli
Cabbage
Carrots
Celery
Lettuce
Onions
Potatoes
Radishes
Spinach
APRIL
Asparagus
Cabbage
Carrots
Celery
Lettuce
Onions
Potatoes
Radishes
Spinach
MAY
Asparagus
Cabbage
Carrots
Celery
Cucumbers
Green beans
Lettuce
Onions
Potatoes
Radishes
Tomatoes
JUNE
Beets
Cabbage
Carrots
Celery
Corn
Cucumbers
Green beans
Green (bell) peppers
Lettuce
Onions
Potatoes
Squash, summer
Tomatoes
JULY
Beets
Cabbage
Carrots
Corn
Cucumbers
Green beans
Green peppers
Lettuce
Onions
Potatoes
Squash, summer
Tomatoes
AUGUST
Beets
Cabbage
Carrots
Corn
Cucumbers
Green beans
Green peppers
Lettuce
Onions
Potatoes
Squash, summer
Tomatoes
SEPTEMBER
Beets
Cabbage
Carrots
Corn
Lettuce
Onions
Potatoes
Squash, winter
OCTOBER
Cabbage
Carrots
Cauliflower
Celery
Lettuce
Onions
Potatoes
Squash, winter
Sweet potatoes
NOVEMBER
Broccoli
Cabbage
Carrots
Cauliflower
Celery
Lettuce
Mushrooms
Onions
Potatoes
Rutabagas
Squash, winter
Sweet potatoes
Turnips
DECEMBER
Broccoli
Cabbage
Carrots
Celery
Lettuce
Mushrooms
Onions
Potatoes
Rutabagas
Sweet potatoes
Turnips
Asparagus
March, April, and May
Beets
June, July, August, and September
Broccoli
November, December, January, February, and March
Cabbage
Year-round
Carrots
Year-round
Cauliflower
October and November
Celery
October, November, December, January, February, March, April, May, and June
Corn
June, July, August, and September
Cucumbers
May, June, July, and August
Green beans
May, June, July, and August
Green (bell) peppers
June, July, and August
Lettuce
Year-round
Mushrooms
November, December, and January
Onions
Year-round
Potatoes
Year-round
Radishes
March, April, and May
Rutabagas
November, December, and January
Spinach
March and April
Squash, summer
June, July, and August
Squash, winter
September, October, and November
Sweet potatoes
October, November, and December
Tomatoes
May, June, July, and August
Turnips
November, December, and January
(Primary sources: United States Department of Agriculture; United Fresh Fruit and Vegetable Association.)
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