One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant catharanthus in Chowchilla by reviewing 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.

You really shouldn't plant catharanthus until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The last month that you can plant catharanthus and expect a good harvest is probably September. Any later than that and your catharanthus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your catharanthus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Chowchilla. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Chowchilla may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Chowchilla last frost occurs after February 15 so just be sure to be ready to protect your catharanthus in the event of a surprise late frost.

USDA Zone Info for Chowchilla

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 Chowchilla

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