The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Kalamazoo it's possible to determine when to plant trailing portulaca.

Planting Calendar for Trailing Portulaca

Frost tolerance for trailing portulaca:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since trailing portulaca do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant trailing portulaca in Kalamazoo 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 trailing portulaca and expect a good harvest is probably August. You probably don't want to wait any later than that or else your trailing portulaca may not have a chance to fully mature. You can get started a few weeks earlier by starting your trailing portulaca indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Kalamazoo. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Kalamazoo and it will vary from year to year. Since half of the time in Kalamazoo you get surprised by a frost after April 15 be ready to cover your trailing portulaca if you have a late frost.

USDA Zone Info for Kalamazoo

Here is the info for USDA Zone 6a.

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

Plants to Grow in Kalamazoo

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