The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Fort Atkinson can be looked at to estimate when it's the best time to plant diascia.

Planting Calendar for Diascia

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

Diascia do well in moderate cold which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant diascia in Fort Atkinson 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. You probably don't want to wait any later than that or else your diascia may not have a chance to really do well. You can get started a little bit earlier by starting your diascia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Fort Atkinson. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that USDA zone info for Fort Atkinson may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Fort Atkinson it frosts late in the year after April 15 so just be sure to be ready to protect your diascia if you have a surprise late frost.

USDA Zone Info for Fort Atkinson

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Fort Atkinson

You may be interested in your other planting guides for Fort Atkinson.