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.

In Park City you can determine when it's a good idea to plant crossandra by looking at the USDA zone info.

Planting Calendar for Crossandra

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

Crossandra require warm weather which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant crossandra in Park City 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 crossandra and expect a good harvest is probably August. Any later than that and your crossandra may not have a chance to fully mature. If you are starting your crossandra indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Park City. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Park City may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Park City it frosts late in the year after April 15 be ready to cover your crossandra if you have a surprise late frost.

USDA Zone Info for Park City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Park City

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