Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for South Houston should be reviewed to figure out when it's a good idea to plant arctotis.

Planting Calendar for Arctotis

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

Arctotis do well in mild cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant arctotis in South Houston 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 arctotis and expect a good harvest is probably October. You probably don't want to wait any later than that or else your arctotis may not have a chance to grow to maturity. You can get started a little bit earlier by starting your arctotis indoors.

Last Frost Date

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

Remember that USDA zone info for South Houston is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in South Houston last frost occurs after February 15 be ready to cover your arctotis if you have a late frost.

USDA Zone Info for South Houston

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 South Houston

You may be interested in your other planting guides for South Houston.