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.

By referring to the USDA zone info for Crowley it's possible to estimate when to plant pyrethrum.

Planting Calendar for Pyrethrum

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

You can plant pyrethrum a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant pyrethrum in Crowley 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. Any later than that and your pyrethrum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your pyrethrum indoors.

Last Frost Date

The average date of last frost is February 15 in Crowley. In the coldest months of winter you can expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Crowley may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Crowley it frosts late in the year after February 15 so be sure to be ready to cover your pyrethrum if you have a surprise late frost.

USDA Zone Info for Crowley

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 Crowley

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