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.

A way of getting a good idea when it's possible to plant lysimachia is to consult the USDA zone info for Salt Lake City.

Planting Calendar for Lysimachia

Frost tolerance for lysimachia:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Lysimachia can survive in mild cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lysimachia in Salt Lake City is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant lysimachia and expect a good harvest is probably September. Any later than that and your lysimachia may not have a chance to really do well. Starting your lysimachia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Salt Lake City. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Salt Lake City is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Salt Lake City it frosts late in the year after April 15 be ready to protect your lysimachia in the event of a late frost.

USDA Zone Info for Salt Lake City

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Salt Lake City

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