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

By reviewing the USDA zone info for New Boston you will be able to estimate when to plant scarlet pimpernels.

Planting Calendar for Scarlet Pimpernels

Frost tolerance for scarlet pimpernels:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since scarlet pimpernels do ok in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant scarlet pimpernels in New Boston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant scarlet pimpernels and expect a good harvest is probably August. If you wait any later than that and your scarlet pimpernels may not have a chance to really do well. You can get started a couple of weeks earlier by starting your scarlet pimpernels indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in New Boston. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for New Boston and it can change quite a bit from year to year. Since half of the time in New Boston you get surprised by a frost after March 15 be ready to protect your scarlet pimpernels if you have 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.