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.

By checking out the USDA zone info for Imperial Beach it's a good idea to determine when you can plant hosta.

Planting Calendar for Hosta

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

Since hosta are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant hosta in Imperial Beach 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 hosta and expect a good harvest is probably October. If you wait any later than that and your hosta may not have a chance to fully mature. If you are starting your hosta indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Imperial Beach the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

It's important to remember that USDA zone info for Imperial Beach is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Imperial Beach last frost occurs after January 31 be ready to cover your hosta in the event of one of those late frosts.

USDA Zone Info for Imperial Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Imperial Beach

You may be interested in your other planting guides for Imperial Beach.