The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant nasturtium in New Boston should be determined by looking at the USDA zone info.

Planting Calendar for Nasturtium

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

You should not plant nasturtium until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant nasturtium in New Boston 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. You probably don't want to wait any later than that or else your nasturtium may not have a chance to fully mature. You can get started a few weeks earlier by starting your nasturtium indoors.

Last Frost Date

The average date of last frost is March 15 in New Boston. You should expect an average low temperature of 10°F in the coldest months of winter.

Always keep in mind that USDA zone info for New Boston is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in New Boston there is a last frost after March 15 be ready to protect your nasturtium in the event of a surprise late frost.

USDA Zone Info for New Boston

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in New Boston

You may be interested in your other planting guides for New Boston.