One of the best tools that you have as gardeners to help us figure out 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 will be able to figure out when you can plant catharanthus by checking out the USDA zone info for Lake Villa.

Planting Calendar for Catharanthus

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

Since catharanthus are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant catharanthus in Lake Villa 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. You probably don't want to wait any later than that or else your catharanthus may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your catharanthus indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Lake Villa. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Lake Villa may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Lake Villa you get surprised by a frost after April 15 be ready to protect your catharanthus if you have one of those late frosts.

USDA Zone Info for Lake Villa

Here is the info for USDA Zone 5b.

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

Plants to Grow in Lake Villa

You may be interested in your other planting guides for Lake Villa.