Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's a good idea to plant strawflowers by checking out the USDA zone info for Keene.

Planting Calendar for Strawflowers

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

You can plant strawflowers just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant strawflowers in Keene 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 strawflowers and expect a good harvest is probably August. Any later than that and your strawflowers may not have a chance to really do well. You can get started a little bit earlier by starting your strawflowers indoors.

Last Frost Date

The average date of last frost is March 15 in Keene. It might get as low as 10°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 can change quite a bit from year to year. Half of the time in Keene you get surprised by a frost after March 15 so always be ready to cover your strawflowers in the event of a late frost.

USDA Zone Info for Keene

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 Keene

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