The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when to plant peas is to consult the USDA zone info for Ione.

Planting Calendar for Peas

Frost tolerance for peas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since peas are one of those plants that can tolerate quite a bit of cold weather you can plant them much earlier in the year than plants that are more sensitive to the cold.

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

The last month that you can plant peas and expect a good harvest is probably October. If you wait any later than that and your peas may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your peas indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Ione is not always accurate and the actual date of last frost is different every year. Half of the time in Ione you get surprised by a frost after February 15 so make sure that you are prepared to protect your peas if you have a surprise late frost.

USDA Zone Info for Ione

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 Ione

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