One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's a good idea to plant iresene by using the USDA zone info for Pleasanton.

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 it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant iresene in Pleasanton 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. You probably don't want to wait any later than that or else your iresene may not have a chance to fully mature. You can get started a few weeks earlier by starting your iresene indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Pleasanton. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Pleasanton is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Pleasanton you get surprised by a frost after February 15 be ready to protect your iresene if you have one of those late frosts.

USDA Zone Info for Pleasanton

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 Pleasanton

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