Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's possible to plant calliopsis is to look at the USDA zone info for North Manchester.

Planting Calendar for Calliopsis

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

Calliopsis do not do well in cold weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant calliopsis in North Manchester 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. Any later than that and your calliopsis may not have a chance to really do well. You can get started a little bit earlier by starting your calliopsis indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in North Manchester. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for North Manchester is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in North Manchester it frosts late in the year after April 15 be ready to protect your calliopsis in the event of a surprise late frost.

USDA Zone Info for North Manchester

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 North Manchester

You may be interested in your other planting guides for North Manchester.