One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's a good idea to plant pentas is to examine the USDA zone info for Norwalk.

Planting Calendar for Pentas

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

Pentas require warm weather which means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant pentas in Norwalk is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant pentas and expect a good harvest is probably September. 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

In Norwalk the average date of last frost happens on January 31. You can expect an average low temperature of 35°F in the coldest months of winter.

Always keep in mind that USDA zone info for Norwalk is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Norwalk there is a last frost after January 31 so always be ready to protect your pentas if you have a surprise late frost.

USDA Zone Info for Norwalk

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Norwalk

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