One of the first steps you take when you are estimating your gardening schedule is find your 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 chance to plant anagallis in Palo Alto should be figured out by checking out the USDA zone info.

Planting Calendar for Anagallis

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

Anagallis tend to make it in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant anagallis in Palo Alto 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 anagallis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your anagallis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your anagallis indoors.

Last Frost Date

The average date of last frost is February 15 in Palo Alto. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Palo Alto may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Palo Alto there is a last frost after February 15 so make sure that you are ready to protect your anagallis if you have one of those late frosts.

USDA Zone Info for Palo Alto

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 Palo Alto

You may be interested in your other planting guides for Palo Alto.