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

One way of determining when it's the best time to plant strawflowers is to consult the USDA zone info for Mechanicsburg.

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.

Strawflowers do ok in some cold which means that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant strawflowers in Mechanicsburg 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. You probably don't want to wait any later than that or else your strawflowers may not have a chance to fully mature. You can get started a few weeks earlier by starting your strawflowers indoors.

Last Frost Date

The average date of last frost is April 15 in Mechanicsburg. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Mechanicsburg is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Mechanicsburg you get a frost after April 15 so just be sure to be ready to protect your strawflowers in the event of a late frost.

USDA Zone Info for Mechanicsburg

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Mechanicsburg

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