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

A way of determining when it's the best time to plant lysimachia is to check out the USDA zone info for Hugo.

Planting Calendar for Lysimachia

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

Lysimachia do ok in some cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant lysimachia in Hugo 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. Any later than that and your lysimachia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your lysimachia indoors.

Last Frost Date

The average date of last frost is May 15 in Hugo. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Hugo is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Hugo it frosts late in the year after May 15 be ready to cover your lysimachia in the event of a late frost.

USDA Zone Info for Hugo

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 Hugo

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