One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's the best time to plant sutera in Keene by reviewing the USDA zone info.

Planting Calendar for Sutera

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

You can plant sutera a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant sutera 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 sutera and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sutera may not have a chance to grow to maturity. You can get started a little bit earlier by starting your sutera indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Keene. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Keene is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Keene there is a last frost after April 15 so be sure to be ready to cover your sutera in the event of 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.