One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

By referring to the USDA zone info for Katy it's a good idea to determine when it's a good idea to plant scabiosa.

Planting Calendar for Scabiosa

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

Scabiosa do well in moderate cold which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant scabiosa 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 scabiosa and expect a good harvest is probably October. If you wait any later than that and your scabiosa may not have a chance to really do well. You can get started a few weeks earlier by starting your scabiosa indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Katy. In the coldest months of winter you should expect an average low temperature of 20°F.

Remember that USDA zone info for Katy is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Katy you get a frost after February 15 so make sure that you are ready to protect your scabiosa if you have one of those late frosts.

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.