One of the first steps you take when you are making a decision about 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.

In Saraland you can determine when it's a good idea to plant catharanthus by looking at the USDA zone info.

Planting Calendar for Catharanthus

Frost tolerance for catharanthus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since catharanthus require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant catharanthus in Saraland is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant catharanthus and expect a good harvest is probably August. Any later than that and your catharanthus may not have a chance to fully mature. Starting your catharanthus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Saraland. You can expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Saraland may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Saraland you get a frost after March 15 be ready to cover your catharanthus in the event of a surprise late frost.

USDA Zone Info for Saraland

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Saraland

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