The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Keene you can determine when it's a good idea to plant lunaria by looking at the USDA zone info.

Planting Calendar for Lunaria

Frost tolerance for lunaria:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Lunaria do well in mild cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant lunaria in Keene is February. However, you really should wait until March if you don't want to take any chances.

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

Last Frost Date

On average the last frost has passed is on April 15 in Keene. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Keene is an average and the actual date of last frost changes from year to year. Since half of the time in Keene last frost occurs after April 15 be ready to protect your lunaria if you have one of those late frosts.

USDA Zone Info for Keene

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 Keene

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