The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for New Ulm should be reviewed to determine when to plant redvein dock.

Planting Calendar for Redvein Dock

Frost tolerance for redvein dock:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant redvein dock just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant redvein dock in New Ulm 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 redvein dock and expect a good harvest is probably August. If you wait any later than that and your redvein dock may not have a chance to fully mature. If you are starting your redvein dock indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in New Ulm. You can expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for New Ulm and it is different every year. Since half of the time in New Ulm it frosts late in the year after May 15 be ready to protect your redvein dock if you have a late frost.

USDA Zone Info for New Ulm

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 New Ulm

You may be interested in your other planting guides for New Ulm.