One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant pyrethrum in Sealy should be estimated by looking at the USDA zone info.

Planting Calendar for Pyrethrum

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

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

The earliest that you can plant pyrethrum in Sealy 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 fully mature. You can get started a little bit earlier by starting your pyrethrum indoors.

Last Frost Date

On average the last frost is on February 15 in Sealy. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Sealy is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Sealy you get surprised by a frost after February 15 be ready to cover your pyrethrum if you have a surprise late frost.

USDA Zone Info for Sealy

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 Sealy

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