One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Marshall you should be able to figure out when you can plant swan river daisy.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since swan river daisy are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant swan river daisy in Marshall is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant swan river daisy and expect a good harvest is probably August. If you wait any later than that and your swan river daisy may not have a chance to grow to maturity. Starting your swan river daisy indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

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

USDA Zone Info for Marshall

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 Marshall

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