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.

One way of estimating when it's possible to plant monkey flower is to look at the USDA zone info for Chambersburg.

Planting Calendar for Monkey Flower

Frost tolerance for monkey flower:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant monkey flower until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant monkey flower in Chambersburg 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 monkey flower and expect a good harvest is probably August. If you wait any later than that and your monkey flower may not have a chance to really do well. You can get started a few weeks earlier by starting your monkey flower indoors.

Last Frost Date

On average the last frost is on April 15 in Chambersburg. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Chambersburg may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Chambersburg there is a last frost after April 15 be ready to cover your monkey flower if you have one of those late frosts.

USDA Zone Info for Chambersburg

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Chambersburg

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