The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to estimate when you can plant garlic by referring to the USDA zone info for Monrovia.

Planting Calendar for Garlic

Frost tolerance for garlic:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since garlic are one of those plants that can tolerate quite a bit of cold weather you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant garlic in Monrovia 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 garlic and expect a good harvest is probably October. Any later than that and your garlic may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your garlic indoors.

Last Frost Date

The average date of last frost is January 31 in Monrovia. In the coldest months of winter you should expect an average low temperature of 30°F.

Remember that USDA zone info for Monrovia is just an average and the actual date of last frost will vary from year to year. Half of the time in Monrovia there is a last frost after January 31 so be sure to be ready to cover your garlic in the event of a late frost.

USDA Zone Info for Monrovia

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 Monrovia

You may be interested in your other planting guides for Monrovia.