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.

The USDA zone info for Lititz can be read to figure out when it's a good idea to plant argyranthemum.

Planting Calendar for Argyranthemum

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

Since argyranthemum do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

On average the last frost is on April 15 in Lititz. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Lititz is an average and the actual date of last frost will vary from year to year. Since half of the time in Lititz you get surprised by a frost after April 15 be ready to cover your argyranthemum in the event of a late frost.

USDA Zone Info for Lititz

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 Lititz

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