Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant iresene in San Leandro should be estimated by looking at the USDA zone info.

Planting Calendar for Iresene

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

Since iresene require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant iresene in San Leandro 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 iresene and expect a good harvest is probably September. If you wait any later than that and your iresene may not have a chance to really do well. You can get started a few weeks earlier by starting your iresene indoors.

Last Frost Date

The average date of last frost is January 31 in San Leandro. In the coldest months of winter you should expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for San Leandro is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in San Leandro last frost occurs after January 31 be ready to protect your iresene if you have a surprise late frost.

USDA Zone Info for San Leandro

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Leandro

You may be interested in your other planting guides for San Leandro.