Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant lysimachia in Montevideo can be figured out by reviewing the USDA zone info.

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 tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lysimachia in Montevideo 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 lysimachia and expect a good harvest is probably August. If you wait any later than that and your lysimachia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your lysimachia indoors.

Last Frost Date

In Montevideo the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Montevideo is an average the actual date of last frost will vary from year to year. Since half of the time in Montevideo there is a last frost after May 15 be ready to protect your lysimachia in the event of one of those late frosts.

USDA Zone Info for Montevideo

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Montevideo

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