Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's possible to plant pyrethrum is to look at the USDA zone info for Ellwood City.

Planting Calendar for Pyrethrum

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

Pyrethrum do well in some cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant pyrethrum in Ellwood City 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 pyrethrum and expect a good harvest is probably September. Any later than that and your pyrethrum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pyrethrum indoors.

Last Frost Date

The average date of last frost is April 15 in Ellwood City. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Ellwood City is an average and the actual date of last frost is different every year. Half of the time in Ellwood City last frost occurs after April 15 so always be ready to cover your pyrethrum if you have one of those late frosts.

USDA Zone Info for Ellwood City

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Ellwood City

You may be interested in your other planting guides for Ellwood City.