One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Dixon can be reffered to in order to determine when you can plant iresene.

Planting Calendar for Iresene

Frost tolerance for iresene:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Iresene are not cold tolerant 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 iresene in Dixon 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 iresene and expect a good harvest is probably September. Any later than that and your iresene may not have a chance to fully mature. You can get started a little bit earlier by starting your iresene indoors.

Last Frost Date

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

Since the USDA zone info for Dixon is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Dixon you get a frost after February 15 be ready to cover your iresene in the event of a late frost.

USDA Zone Info for Dixon

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 Dixon

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