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.

A common way of determining when it's possible to plant arctotis is to consult the USDA zone info for Brownsville.

Planting Calendar for Arctotis

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

Arctotis are moderately cold tolerant which means that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant arctotis in Brownsville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant arctotis and expect a good harvest is probably September. Any later than that and your arctotis may not have a chance to fully mature. If you are starting your arctotis indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Brownsville the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 5°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Brownsville and it can change quite a bit from year to year. Since half of the time in Brownsville last frost occurs after April 15 be ready to cover your arctotis in the event of a surprise late frost.

USDA Zone Info for Brownsville

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Brownsville

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