One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant diascia in Loma Linda should be figured out by reviewing the USDA zone info.

Planting Calendar for Diascia

Frost tolerance for diascia:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Diascia do ok in a little bit of cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant diascia in Loma Linda is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant diascia and expect a good harvest is probably October. If you wait any later than that and your diascia may not have a chance to fully mature. You can get started a little bit earlier by starting your diascia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Loma Linda. In the coldest months of winter you can expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Loma Linda is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Loma Linda last frost occurs after February 15 be ready to protect your diascia if you have a surprise late frost.

USDA Zone Info for Loma Linda

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 Loma Linda

You may be interested in your other planting guides for Loma Linda.