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.

By using the USDA zone info for La Habra you will be able to determine when it's a good idea to plant helianthemum.

Planting Calendar for Helianthemum

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

Helianthemum can survive in a little bit of cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant helianthemum in La Habra 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 helianthemum and expect a good harvest is probably October. If you wait any later than that and your helianthemum may not have a chance to fully mature. Starting your helianthemum indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in La Habra. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for La Habra is an average and the actual date of last frost changes from year to year. Half of the time in La Habra it frosts late in the year after January 31 so always be ready to cover your helianthemum in the event of a late frost.

USDA Zone Info for La Habra

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 La Habra

You may be interested in your other planting guides for La Habra.