One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when you can plant pentas is to consult the USDA zone info for Lawrence.

Planting Calendar for Pentas

Frost tolerance for pentas:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You should not plant pentas until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant pentas in Lawrence 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 pentas and expect a good harvest is probably August. If you wait any later than that and your pentas may not have a chance to fully mature. Starting your pentas indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Lawrence. It might get as low as 5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lawrence is not always accurate and the actual date of last frost is different every year. Since half of the time in Lawrence you get a frost after April 15 be ready to cover your pentas if you have a surprise late frost.

USDA Zone Info for Lawrence

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Lawrence

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