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 best time to plant digitalis in Katy should be figured out by reviewing the USDA zone info.

Planting Calendar for Digitalis

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

Since digitalis do well in moderate cold you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant digitalis in Katy 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 digitalis and expect a good harvest is probably October. If you wait any later than that and your digitalis may not have a chance to grow to maturity. Starting your digitalis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Katy the average date of last frost happens on February 15. You can expect an average low temperature of 20°F in the coldest months of winter.

Remember that USDA zone info for Katy is an average and the actual date of last frost will vary from year to year. Since half of the time in Katy you get a frost after February 15 be ready to cover your digitalis in the event of a surprise late frost.

USDA Zone Info for Katy

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 Katy

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