The USDA Zone info is a great tool for gardeners to help us determine 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.

One way of estimating when to plant chocolate daisy is to examine the USDA zone info for Waterloo.

Planting Calendar for Chocolate Daisy

Frost tolerance for chocolate daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Chocolate Daisy do well in a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chocolate daisy in Waterloo is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chocolate daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chocolate daisy may not have a chance to really do well. Starting your chocolate daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Waterloo. It might get as low as -20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Waterloo is an average and the actual date of last frost changes from year to year. Half of the time in Waterloo it frosts late in the year after April 15 so always be ready to cover your chocolate daisy if you have a surprise late frost.

USDA Zone Info for Waterloo

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 Waterloo

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