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

You should be able to determine when you can plant argyranthemum by using the USDA zone info for Eagle Pass.

Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum:	Not tolerant of frost.
When to plant:	After the last frost.

Since argyranthemum do not do well in cold weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant argyranthemum in Eagle Pass 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 argyranthemum and expect a good harvest is probably September. If you wait any later than that and your argyranthemum may not have a chance to grow to maturity. You can get started a little bit earlier by starting your argyranthemum indoors.

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.

Just be sure to remember that USDA zone info for Eagle Pass is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Eagle Pass you get a frost after February 15 so make sure that you are prepared to protect your argyranthemum 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.