One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Del Rio should be looked at to figure out when to plant feverfew.

Planting Calendar for Feverfew

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

You can plant feverfew a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant feverfew in Del Rio 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 feverfew and expect a good harvest is probably October. You probably don't want to wait any later than that or else your feverfew may not have a chance to fully mature. If you are starting your feverfew indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Del Rio is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Del Rio last frost occurs after February 15 so just be sure to be ready to protect your feverfew if you have one of those late frosts.

USDA Zone Info for Del Rio

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 Del Rio

You may be interested in your other planting guides for Del Rio.