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.

You should be able to determine when you can plant torch lilys by referring to the USDA zone info for Marshfield.

Planting Calendar for Torch Lilys

Frost tolerance for torch lilys:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Torch Lilys tend to make it in cold weather which tells us that you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant torch lilys in Marshfield 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 torch lilys and expect a good harvest is probably August. Any later than that and your torch lilys may not have a chance to grow to maturity. Starting your torch lilys indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Marshfield. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Marshfield is just an average the actual date of last frost changes from year to year. Since half of the time in Marshfield you get a frost after May 15 be ready to cover your torch lilys if you have a surprise late frost.

USDA Zone Info for Marshfield

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 Marshfield

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