Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant nasturtium in Brockton can be estimated by reviewing the USDA zone info.

Planting Calendar for Nasturtium

Frost tolerance for nasturtium:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant nasturtium until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant nasturtium in Brockton is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant nasturtium and expect a good harvest is probably August. Any later than that and your nasturtium may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your nasturtium indoors.

Last Frost Date

The average date of last frost is April 15 in Brockton. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Brockton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Brockton you get surprised by a frost after April 15 be ready to cover your nasturtium in the event of one of those late frosts.

USDA Zone Info for Brockton

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Brockton

You may be interested in your other planting guides for Brockton.