Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Zone 4b can be reviewed to figure out when it's a good idea to plant livingstone daisy.

Planting Calendar for Livingstone Daisy

Frost tolerance for livingstone daisy:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant livingstone daisy until after all chance of frost has passed because they require warm weather.

The earliest that you can plant livingstone daisy in Zone 4b 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 livingstone daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your livingstone daisy may not have a chance to fully mature. If you are starting your livingstone daisy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Zone 4b. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Zone 4b may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 4b there is a last frost after May 15 be ready to protect your livingstone daisy in the event of a surprise late frost.

USDA Zone Info for Zone 4b

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 Zone 4b

You may be interested in your other planting guides for Zone 4b.