One of the first steps you take when you are figuring out 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.

The USDA zone info for Park Ridge should be reffered to in order to figure out when it's possible to plant cuphea.

Planting Calendar for Cuphea

Frost tolerance for cuphea:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since cuphea are not cold tolerant it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant cuphea in Park Ridge 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 cuphea and expect a good harvest is probably August. If you wait any later than that and your cuphea may not have a chance to really do well. If you are starting your cuphea indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Park Ridge. In the coldest months of winter you should expect an average low temperature of 0°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Park Ridge and it changes from year to year. Half of the time in Park Ridge it frosts late in the year after April 15 so always be ready to protect your cuphea if you have one of those late frosts.

USDA Zone Info for Park Ridge

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Park Ridge

You may be interested in your other planting guides for Park Ridge.