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

In New Berlin you can estimate when it's the best time to plant diascia by checking out the USDA zone info.

Planting Calendar for Diascia

Frost tolerance for diascia:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant diascia a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant diascia in New Berlin is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant diascia and expect a good harvest is probably September. If you wait any later than that and your diascia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your diascia indoors.

Last Frost Date

The average date of last frost is April 15 in New Berlin. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for New Berlin is just an average the actual date of last frost changes from year to year. Half of the time in New Berlin you get a frost after April 15 so be sure to be ready to cover your diascia in the event of a surprise late frost.

USDA Zone Info for New Berlin

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in New Berlin

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