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

A common way of figuring out when it's a good idea to plant nasturtium is to use the USDA zone info for Peoria.

Planting Calendar for Nasturtium

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

It's a bad idea to plant nasturtium until after the last frost when the weather gets warmer because they require warm weather.

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

The last month that you can plant nasturtium and expect a good harvest is probably September. Any later than that and your nasturtium may not have a chance to really do well. If you are starting your nasturtium indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Peoria. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Peoria and it will vary from year to year. Half of the time in Peoria you get surprised by a frost after February 15 so be sure to be ready to protect your nasturtium in the event of one of those late frosts.

USDA Zone Info for Peoria

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Peoria

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