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

A way of estimating when it's a good idea to plant chocolate daisy is to refer to the USDA zone info for Hillsboro.

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 tend to make it in a tiny bit of cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chocolate daisy in Hillsboro 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. If you wait any later than that and your chocolate daisy may not have a chance to grow to maturity. Starting your chocolate daisy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Hillsboro. In the coldest months of winter you should expect an average low temperature of 10°F.

Always keep in mind that USDA zone info for Hillsboro may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Hillsboro last frost occurs after March 15 so make sure that you are ready to protect your chocolate daisy if you have a surprise late frost.

USDA Zone Info for Hillsboro

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Hillsboro

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