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.

You can estimate when it's a good idea to plant nolana in Diamond Bar by checking out the USDA zone info.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since nolana are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nolana in Diamond Bar 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 nolana and expect a good harvest is probably September. If you wait any later than that and your nolana may not have a chance to really do well. You can get started a little bit earlier by starting your nolana indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Diamond Bar. It might get as low as 30°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Diamond Bar and it changes from year to year. Half of the time in Diamond Bar it frosts late in the year after January 31 so be sure to be ready to protect your nolana if you have one of those late frosts.

USDA Zone Info for Diamond Bar

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 Diamond Bar

You may be interested in your other planting guides for Diamond Bar.