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.

In Hatboro you can figure out when it's the best time to plant calliopsis by checking out the USDA zone info.

Planting Calendar for Calliopsis

Frost tolerance for calliopsis:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably a bad idea to plant calliopsis until after the last frost because they require warm weather.

The earliest that you can plant calliopsis in Hatboro 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 calliopsis and expect a good harvest is probably August. If you wait any later than that and your calliopsis may not have a chance to grow to maturity. Starting your calliopsis 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 Hatboro. You should expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Hatboro may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Hatboro you get a frost after April 15 be ready to protect your calliopsis in the event of a surprise late frost.

USDA Zone Info for Hatboro

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Hatboro

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