One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Mansfield should be reviewed to figure out when you can plant nasturtium.

Planting Calendar for Nasturtium

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

Nasturtium do not do well in cold weather which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant nasturtium in Mansfield 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. If you wait any later than that and your nasturtium may not have a chance to grow to maturity. Starting your nasturtium indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Mansfield. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Mansfield is just an average the actual date of last frost is different every year. Since half of the time in Mansfield you get a frost after April 15 be ready to protect your nasturtium in the event of a late frost.

USDA Zone Info for Mansfield

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Mansfield

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