One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant sweetscented bedstraw in Diamond Bar should be determined by using the USDA zone info.

Planting Calendar for Sweetscented Bedstraw

Frost tolerance for sweetscented bedstraw:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sweetscented Bedstraw tend to make it in very little cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant sweetscented bedstraw 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 sweetscented bedstraw and expect a good harvest is probably September. If you wait any later than that and your sweetscented bedstraw may not have a chance to fully mature. Starting your sweetscented bedstraw indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Diamond Bar is an average the actual date of last frost 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 cover your sweetscented bedstraw in the event of a surprise late frost.

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.