One of the best tools that you have as gardeners to help us determine 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.

The USDA zone info for Kyle can be reviewed to estimate when you can plant catharanthus.

Planting Calendar for Catharanthus

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

Catharanthus are not cold tolerant which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant catharanthus in Kyle 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 grow to maturity. 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 Kyle. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Kyle is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Kyle you get surprised by a frost after March 15 be ready to protect your catharanthus in the event of a surprise late frost.

USDA Zone Info for Kyle

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 Kyle

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