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.

The best time to plant iresene in Milpitas should be determined by checking out the USDA zone info.

Planting Calendar for Iresene

Frost tolerance for iresene:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since iresene do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant iresene in Milpitas 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. Starting your iresene indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Milpitas. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Milpitas is not always accurate the actual date of last frost is different every year. Half of the time in Milpitas you get surprised by a frost after February 15 so just be sure to be ready to protect your iresene if you have one of those late frosts.

USDA Zone Info for Milpitas

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 Milpitas

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