The USDA Zone info is a great tool for gardeners to help us figure out 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.

A way of getting a good idea when it's the best time to plant pyrethrum is to look at the USDA zone info for Eagle Pass.

Planting Calendar for Pyrethrum

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

Pyrethrum are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant pyrethrum in Eagle Pass is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant pyrethrum and expect a good harvest is probably October. If you wait any later than that and your pyrethrum may not have a chance to grow to maturity. Starting your pyrethrum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Eagle Pass. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Eagle Pass is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Eagle Pass it frosts late in the year after February 15 so make sure that you are ready to cover your pyrethrum if you have a surprise late frost.

USDA Zone Info for Eagle Pass

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Eagle Pass

You may be interested in your other planting guides for Eagle Pass.