One of the first steps you take when you are estimating your gardening schedule is find your 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.

The first opportunity to plant catharanthus in Andrews should be determined by using 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.

Catharanthus do not do well in cold weather which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant catharanthus in Andrews 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. If you wait 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 few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Andrews. You should expect an average low temperature of 10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Andrews is just an average and the actual date of last frost is different every year. Half of the time in Andrews you get surprised by a frost after March 15 so make sure that you are prepared to protect your catharanthus if you have one of those late frosts.

USDA Zone Info for Andrews

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Andrews

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