One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for El Campo it's a good idea to estimate when it's a good idea to plant yarrow.

Planting Calendar for Yarrow

Frost tolerance for yarrow:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since yarrow do well in cold you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant yarrow in El Campo 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 yarrow and expect a good harvest is probably October. Any later than that and your yarrow may not have a chance to grow to maturity. Starting your yarrow indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for El Campo is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in El Campo it frosts late in the year after February 15 be ready to protect your yarrow if you have a late frost.

USDA Zone Info for El Campo

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 El Campo

You may be interested in your other planting guides for El Campo.