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

The first chance to plant chrysocephalum in Nashua should be figured out by checking out the USDA zone info.

Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant chrysocephalum until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant chrysocephalum in Nashua 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 chrysocephalum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chrysocephalum may not have a chance to fully mature. You can get started a few weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Nashua is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Nashua there is a last frost after April 15 be ready to cover your chrysocephalum if you have one of those late frosts.

USDA Zone Info for Nashua

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 Nashua

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