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.

You will be able to determine when it's possible to plant lysimachia by looking at the USDA zone info for Dalhart.

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 a little bit of cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lysimachia in Dalhart 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. You probably don't want to wait any later than that or else your lysimachia may not have a chance to fully mature. If you are starting your lysimachia 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 Dalhart. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Dalhart is an average the actual date of last frost changes from year to year. Half of the time in Dalhart it frosts late in the year after April 15 so make sure that you are prepared to cover your lysimachia in the event of one of those late frosts.

USDA Zone Info for Dalhart

Here is the info for USDA Zone 6b.

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

Plants to Grow in Dalhart

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